{"id":19753,"date":"2025-09-26T15:51:40","date_gmt":"2025-09-26T18:51:40","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=19753"},"modified":"2025-09-26T15:59:07","modified_gmt":"2025-09-26T18:59:07","slug":"cachorro-vinagre-o-enigma-do-canideo-da-america-do-sul","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/cachorro-vinagre-o-enigma-do-canideo-da-america-do-sul\/","title":{"rendered":"Cachorro-vinagre: o enigma do can\u00eddeo da Am\u00e9rica do Sul"},"content":{"rendered":"\n<p><span style=\"color: #000000; font-size: 14pt;\"><span style=\"\"><strong style=\"color: rgb(51, 102, 255); font-size: 14pt; font-weight: bold;\">Cachorro-vinagre<\/strong><font color=\"#000000\"><span style=\"font-size: 14pt;\">:<\/span><\/font><\/span> <span style=\"color: #000000; font-size: 14pt;\">pouco visto e estudado, o cachorro-vinagre (<em>Speothos venaticus<\/em>) representa um dos maiores mist\u00e9rios da fauna sul-americana. Entre as sombras da floresta, combina agilidade, intelig\u00eancia e coopera\u00e7\u00e3o em estrat\u00e9gias \u00fanicas de sobreviv\u00eancia <span style=\"color: #000000; font-size: 14pt;\"><span style=\"color: #000000; font-size: 14pt;\">diante das press\u00f5es humanas<\/span><\/span>.<\/span><\/span><\/p>\n\n\n\n<figure class=\"wp-block-image alignright size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"83\" data-attachment-id=\"18164\" data-permalink=\"https:\/\/biologo.com.br\/bio\/sylvia-earle-na-luta-pelos-oceanos\/original-biologo-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?fit=74%2C83&amp;ssl=1\" data-orig-size=\"74,83\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"original-biologo (2)\" data-image-description=\"&lt;p&gt;artigo original www.biologo.com.br \u00a9 todos os direitos reservados&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?fit=74%2C83&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/05\/original-biologo-2.jpg?resize=74%2C83&#038;ssl=1\" alt=\"Artigo original www.biologo.com.br \u00a9 todos os direitos reservados\" class=\"wp-image-18164\"\/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span style=\"font-size: 24pt;\"><span style=\"font-size: 24pt;\"><strong style=\"color: rgb(0, 0, 0); font-family: &quot;courier new&quot;, courier, monospace; font-weight: bold;\">Cachorro-vinagre: <\/strong><\/span><\/span><span style=\"font-family: 'courier new', courier, monospace; color: #000000; font-size: 24pt;\"><strong><strong><strong><strong><span style=\"font-family: 'courier new', courier, monospace; color: #000000; font-size: 24pt;\"><strong><strong><strong><strong><strong><strong><span style=\"font-family: 'courier new', courier, monospace; color: #000000; font-size: 24pt;\"><strong><strong><strong><strong><span style=\"font-family: 'courier new', courier, monospace; color: #000000; font-size: 24pt;\"><strong><strong><strong><strong><span style=\"font-family: 'courier new', courier, monospace; color: #000000; font-size: 24pt;\"><strong><strong><strong><strong><span style=\"font-family: 'courier new', courier, monospace; color: #000000; font-size: 24pt;\"><strong><span style=\"font-family: 'courier new', courier, monospace; color: #000000;\"><strong><span style=\"font-size: 24pt;\"><span style=\"font-size: 12pt;\"><strong><strong><strong><strong>o enigma do can\u00eddeo da Am\u00e9rica do Sul<\/strong><\/strong><\/strong><\/strong><\/span><\/span><\/strong><\/span><\/strong><\/span><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/strong><\/strong><\/span> <\/h1>\n\n\n\n<p><span style=\"font-size: 8pt; color: #000000;\"><span style=\"font-size: 8pt; color: #000000;\"><strong>26\/9\/2025<\/strong> ::&nbsp; <strong>Marco Pozzana<\/strong>, bi\u00f3logo<\/span><\/span><\/p>\n\n\n\n<p class=\"has-drop-cap has-black-color has-text-color has-link-color has-medium-font-size wp-elements-2d488209ec74dc4649972eafd6002d85\"><span><span style=\"font-weight: bold; font-family: &quot;courier new&quot;, courier, monospace; font-size: 14pt;\">P<\/span><\/span>oucos mam\u00edferos da Am\u00e9rica do Sul despertam tanta curiosidade quanto o <strong>cachorro-vinagre (<em>Speothos venaticus<\/em>)<\/strong>. Embora n\u00e3o seja considerada uma esp\u00e9cie-bandeira, \u00e9 um forte candidato para tal, por sua raridade e seu carisma.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-4294c380946b0ab5241c4e4963ce4cd3\">Contudo, a falta de conhecimento p\u00fablico ainda limita esse papel. Por outro lado, j\u00e1 se encaixa na defini\u00e7\u00e3o de esp\u00e9cie guarda-chuva, pois sua sobreviv\u00eancia depende da preserva\u00e7\u00e3o de grandes \u00e1reas florestais que sustentam diversas outras esp\u00e9cies amea\u00e7adas (DeMatteo &amp; Loiselle, 2008; Rodrigues et al., 2013). Assim, ao proteger o cachorro-vinagre, protegemos tamb\u00e9m a integridade de ecossistemas inteiros. <\/p>\n\n\n\n<figure class=\"wp-block-image alignright size-full\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/cachorro-vinagre-peq.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"121\" data-attachment-id=\"19758\" data-permalink=\"https:\/\/biologo.com.br\/bio\/cachorro-vinagre-o-enigma-do-canideo-da-america-do-sul\/cachorro-vinagre-peq\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/cachorro-vinagre-peq.jpg?fit=82%2C121&amp;ssl=1\" data-orig-size=\"82,121\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"cachorro-vinagre-peq\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/cachorro-vinagre-peq.jpg?fit=82%2C121&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/cachorro-vinagre-peq.jpg?resize=82%2C121&#038;ssl=1\" alt=\"\" class=\"wp-image-19758\"\/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/biologo.com.br\/bio\/cachorro-vinagre-canideo-brasileiro-quase-ameacado\/\">Cachorro-vinagre, can\u00eddeo do Brasil quase amea\u00e7ado&nbsp;<\/a><\/li>\n\n\n\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/biologo.com.br\/bio\/o-canideo-da-amazonia\/\">O can\u00eddeo da Amaz\u00f4nia<\/a><\/li>\n\n\n\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/biologo.com.br\/bio\/o-retorno-dos-predadores-reintroducoes-que-mudam-ecossistemas\/\">O retorno dos predadores: reintrodu\u00e7\u00f5es que mudam ecossistemas<\/a><\/li>\n\n\n\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/biologo.com.br\/bio\/especie-chave-os-pilares-invisiveis-da-vida\/\">Esp\u00e9cie-Chave: os pilares invis\u00edveis da vida<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-4e549cc7750c4583b422d2d0e0018ebb\">Tamb\u00e9m chamado de&nbsp;<strong>aracamb\u00e9,&nbsp;jaguacininga,&nbsp;jaguaracamb\u00e9,&nbsp;janau\u00edra&nbsp;<\/strong>ou&nbsp;<strong>janua\u00edra<\/strong>, esse pequeno can\u00eddeo ocupa um papel ecol\u00f3gico singular. Al\u00e9m disso, seu comportamento social, suas adapta\u00e7\u00f5es corporais e sua ampla distribui\u00e7\u00e3o geogr\u00e1fica revelam uma hist\u00f3ria evolutiva fascinante. Entretanto, seu futuro permanece incerto diante das crescentes amea\u00e7as antr\u00f3picas. Segundo a <a href=\"https:\/\/biologo.com.br\/bio\/iucn\/\"><span style=\"text-decoration: underline;\">IUCN<\/span><\/a> as popula\u00e7\u00f5es est\u00e3o em decl\u00ednio e consta como uma esp\u00e9cie \u201cQuase amea\u00e7ada\u201d e pelo ICMBio-MMA foi classificada de \u201cVulner\u00e1vel\u201d.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large has-custom-border\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/i.makeagif.com\/media\/9-23-2019\/wEmUbp.gif?w=800&#038;ssl=1\" alt=\"\" style=\"border-style:none;border-width:0px;border-radius:100px\"\/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"border-radius:100px\">\n<p class=\"has-medium-font-size\"><strong>\u201cO cachorro-vinagre \u00e9 um dos can\u00eddeos mais enigm\u00e1ticos da Am\u00e9rica do Sul, sendo raramente observado na natureza devido ao seu comportamento esquivo e \u00e0s baixas densidades populacionais.\u201d <\/strong>(DeMatteo &amp; Loiselle, 2008, <em>Oryx<\/em>)<\/p>\n<\/blockquote>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\"><span><strong style=\"color: rgb(0, 0, 0); font-family: &quot;courier new&quot;, courier, monospace; font-size: 14pt; font-weight: bold;\">Ecologia e comportamento social<\/strong><\/span><\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-6fa95cf30233f52e9d35ab6559fa7675\">O cachorro-vinagre vive em bandos coesos, geralmente formados por 4 a 12 indiv\u00edduos. Diferentemente de outros can\u00eddeos sul-americanos, ele exibe intensa coopera\u00e7\u00e3o social durante a ca\u00e7a. Assim, o grupo persegue presas maiores do que um indiv\u00edduo poderia dominar sozinho, como pacas e tatus. Al\u00e9m disso, sua comunica\u00e7\u00e3o inclui vocaliza\u00e7\u00f5es curtas, sinais olfativos e comportamentos coordenados, que garantem efici\u00eancia na captura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" data-attachment-id=\"19760\" data-permalink=\"https:\/\/biologo.com.br\/bio\/cachorro-vinagre-o-enigma-do-canideo-da-america-do-sul\/cachorro-vinagre-o-enigma-do-canideo-da-america-do-sul-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?fit=1200%2C675&amp;ssl=1\" data-orig-size=\"1200,675\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Cachorro-vinagre o enigma do can\u00eddeo da Am\u00e9rica do Sul\" data-image-description=\"&lt;p&gt;Cachorro-vinagre: o enigma do can\u00eddeo da Am\u00e9rica do Sul. O cachorro-vinagre ou cachorro-do-mato-vinagre (nome cient\u00edfico: Speothos venaticus), tamb\u00e9m conhecido como aracamb\u00e9, jaguacininga, jaguaracamb\u00e9, janau\u00edra ou janua\u00edra, \u00e9 uma esp\u00e9cie da fam\u00edlia dos can\u00eddeos (Canidae) nativo da Am\u00e9rica do Sul, que \u00e9 encontrado em florestas da Amaz\u00f4nia. Os cachorros-vinagre s\u00e3o carn\u00edvoros e ca\u00e7am durante o dia, mesmo em cativeiro. Usam troncos ocos e cavidades como tocas de tatu (dasipod\u00eddeos; clamifor\u00eddeos) como abrigo e t\u00eam uma \u00e1rea de vida de 3,8 a 10 quil\u00f4metros quadrados (1,5 a 3,9 milhas quadradas). Parecem ser a esp\u00e9cie de can\u00eddeo sul-americana mais greg\u00e1ria e h\u00e1 clara domin\u00e2ncia dos pais sobre os outros componentes do grupo. A submiss\u00e3o \u00e9 indicada com uma express\u00e3o conhecida como &amp;#8220;sorriso de submiss\u00e3o&amp;#8221;, que no caso da esp\u00e9cie se estende de canto a canto da boca de forma exagerada. Tal domin\u00e2ncia \u00e9 respeitada a ponto de, caso uma a f\u00eamea dominante se reproduza, todos os membros do grupo apresentar\u00e3o comportamentos aloparentais. A rela\u00e7\u00e3o familiar entre esses animais \u00e9 intensa a ponto de influenciar o ciclo reprodutivo.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Dentre os can\u00eddeos brasileiros, \u00e9 o \u00fanico que ca\u00e7a em grupos, o permitindo abater animais bem maiores que eles.&lt;br \/&gt;\nTambako The Jaguar&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?fit=800%2C450&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?resize=800%2C450&#038;ssl=1\" alt=\"Cachorro-vinagre: o enigma do can\u00eddeo da Am\u00e9rica do Sul \" class=\"wp-image-19760\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?resize=150%2C84&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-da-America-do-Sul.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Dentre os can\u00eddeos brasileiros, \u00e9 o cachorro-vinagre \u00e9 o \u00fanico que ca\u00e7a em grupos, permitindo dessa forma abater animais bem maiores que eles. \ud83d\udcf7 <a href=\"https:\/\/www.flickr.com\/photos\/tambako\/\">Tambako The Jaguar<\/a><\/figcaption><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-614cf4886a4934bf891f521b694eba1c\">Adicionalmente, sua dieta revela grande flexibilidade. Embora prefira presas terrestres, o cachorro-vinagre tamb\u00e9m ca\u00e7a em \u00e1reas alagadas e se mostra um nadador habilidoso (DeMatteo &amp; Loiselle, 2008). Portanto, essa versatilidade aumenta suas chances de sobreviv\u00eancia em diferentes habitats, mas sua depend\u00eancia de ambientes florestais densos o torna vulner\u00e1vel ao desmatamento.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-e43e6cc711d2f024bc60883f1ee8d9be\">Outro aspecto not\u00e1vel \u00e9 sua estrat\u00e9gia reprodutiva. Os filhotes, que nascem geralmente em tocas abandonadas de tatus ou em cavidades naturais, recebem cuidados de todo o grupo. Assim, o sistema cooperativo assegura altas taxas de sobreviv\u00eancia da prole, refor\u00e7ando os la\u00e7os sociais da matilha (Beisiegel &amp; Zuercher, 2005).<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"border-radius:77px\">\n<p class=\"has-white-color has-text-color has-link-color has-medium-font-size wp-elements-ec3e17bfbee06732432aa2abe5be169e\"><strong>\u201cO comportamento social altamente cooperativo \u00e9 uma das caracter\u00edsticas mais not\u00e1veis de <em>S. venaticus<\/em>, especialmente durante atividades de ca\u00e7a.\u201d<\/strong> (<strong>Beisiegel &amp; Zuercher<\/strong>, 2005, <em>Mammalian Species<\/em>)<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span><strong style=\"color: rgb(0, 0, 0); font-family: &quot;courier new&quot;, courier, monospace; font-size: 14pt; font-weight: bold;\">Morfologia e adapta\u00e7\u00f5es evolutivas<\/strong><\/span><\/h3>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-0697d1dad71101b6d39eff87f5fa399f\">Embora seja de porte pequeno, com cerca de 5 a 7 kg, o cachorro-vinagre possui adapta\u00e7\u00f5es marcantes. Seu corpo \u00e9 compacto, as pernas s\u00e3o curtas e a cauda \u00e9 arredondada. Tais caracter\u00edsticas permitem movimenta\u00e7\u00e3o \u00e1gil em florestas densas e galerias subterr\u00e2neas. Al\u00e9m disso, suas membranas interdigitais indicam uma evolu\u00e7\u00e3o voltada tamb\u00e9m para ambientes aqu\u00e1ticos (Michalski &amp; Peres, 2007).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" data-attachment-id=\"19778\" data-permalink=\"https:\/\/biologo.com.br\/bio\/cachorro-vinagre-o-enigma-do-canideo-aracambe\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?fit=1200%2C675&amp;ssl=1\" data-orig-size=\"1200,675\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Cachorro-vinagre o enigma do can\u00eddeo-aracamb\u00e9\" data-image-description=\"&lt;p&gt;Cachorro-vinagre: o enigma do can\u00eddeo da Am\u00e9rica do Sul. Tamb\u00e9m chamado de\u00a0aracamb\u00e9,\u00a0jaguacininga,\u00a0jaguaracamb\u00e9,\u00a0janau\u00edra\u00a0ou\u00a0janua\u00edra, esse pequeno can\u00eddeo ocupa um papel ecol\u00f3gico singular. Al\u00e9m disso, seu comportamento social, suas adapta\u00e7\u00f5es corporais e sua ampla distribui\u00e7\u00e3o geogr\u00e1fica revelam uma hist\u00f3ria evolutiva fascinante. Entretanto, seu futuro permanece incerto diante das crescentes amea\u00e7as antr\u00f3picas. Segundo a IUCN as popula\u00e7\u00f5es est\u00e3o em decl\u00ednio e consta como uma esp\u00e9cie \u201cQuase amea\u00e7ada\u201d e pelo ICMBio-MMA foi classificada de \u201cVulner\u00e1vel\u201d.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Dentre os can\u00eddeos brasileiros, \u00e9 o cachorro-vinagre \u00e9 o \u00fanico que ca\u00e7a em grupos, permitindo dessa forma abater animais bem maiores que eles. \ud83d\udcf7 Tambako The Jaguar&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?fit=800%2C450&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?resize=800%2C450&#038;ssl=1\" alt=\"Cachorro-vinagre: o enigma do can\u00eddeo da Am\u00e9rica do Sul\" class=\"wp-image-19778\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?resize=150%2C84&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2025\/09\/Cachorro-vinagre-o-enigma-do-canideo-aracambe.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>As principais amea\u00e7as incluem destrui\u00e7\u00e3o de habitat, redu\u00e7\u00e3o de presas silvestres e transmiss\u00e3o de doen\u00e7as de c\u00e3es dom\u00e9sticos. \ud83d\udcf7 <a href=\"https:\/\/www.flickr.com\/photos\/tambako\/\">Tambako The Jaguar<\/a><\/figcaption><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-97529387172b74aafb1b188225a21dbf\">Do ponto de vista dent\u00e1rio, apresenta molares robustos e especializados em cortar carne. Essa denti\u00e7\u00e3o, combinada \u00e0 for\u00e7a da mand\u00edbula, facilita a captura de presas de m\u00e9dio porte. Comparativamente, sua morfologia sugere converg\u00eancia funcional com esp\u00e9cies sociais de can\u00eddeos de outros continentes, como o c\u00e3o-selvagem-africano (<em>Lycaon pictus<\/em>) (Wozencraft, 2005). Portanto, sua evolu\u00e7\u00e3o parece ter privilegiado a efici\u00eancia coletiva em vez da for\u00e7a individual<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"border-radius:77px\">\n<p class=\"has-white-color has-text-color has-link-color has-medium-font-size wp-elements-628b0de5e8096fb1b72e758290431529\">\u201c<strong>As membranas interdigitais sugerem adapta\u00e7\u00f5es morfol\u00f3gicas para ambientes \u00famidos e corroboram relatos de comportamento semi-aqu\u00e1tico.\u201d<\/strong> (<strong>Wozencraft<\/strong>, 2005, <em>Mammal Species of the World<\/em>)<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span><strong style=\"color: rgb(0, 0, 0); font-family: &quot;courier new&quot;, courier, monospace; font-size: 14pt; font-weight: bold;\">Distribui\u00e7\u00e3o, amea\u00e7as e conserva\u00e7\u00e3o <\/strong><\/span><\/h3>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-f22f7e188171a49fd2c90459b153dac5\">A esp\u00e9cie ocorre desde a Am\u00e9rica Central at\u00e9 a Argentina. Contudo, sua distribui\u00e7\u00e3o \u00e9 fragmentada e associada a florestas \u00famidas, cerrados e \u00e1reas de transi\u00e7\u00e3o (DeMatteo &amp; Loiselle, 2008). No Brasil, registros confirmam sua presen\u00e7a na <a href=\"https:\/\/biologo.com.br\/bio\/amazonia\/\"><span style=\"text-decoration: underline;\">Amaz\u00f4nia<\/span><\/a>, no <a href=\"https:\/\/biologo.com.br\/bio\/cerrado\/\"><span style=\"text-decoration: underline;\">Cerrado<\/span><\/a> e na <a href=\"https:\/\/biologo.com.br\/bio\/mata-atlantica\/\"><span style=\"text-decoration: underline;\">Mata Atl\u00e2ntica<\/span><\/a>, embora sempre de forma esparsa.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/media.tenor.com\/gAfNbxGMT5QAAAAM\/bush-dog-animal.gif?w=800&#038;ssl=1\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-4e60bd1fe47040f8495fcde81cade6a9\">Entretanto, as press\u00f5es humanas amea\u00e7am sua sobreviv\u00eancia. O desmatamento reduz o espa\u00e7o vital da esp\u00e9cie. Al\u00e9m disso, a ca\u00e7a de subsist\u00eancia diminui a disponibilidade de presas. Paralelamente, doen\u00e7as transmitidas por c\u00e3es dom\u00e9sticos representam um risco adicional (Beisiegel, 2009). Dessa forma, a combina\u00e7\u00e3o de fatores ecol\u00f3gicos e antr\u00f3picos explica por que a Uni\u00e3o Internacional para a Conserva\u00e7\u00e3o da Natureza (IUCN) classifica o cachorro-vinagre como \u201cQuase Amea\u00e7ado\u201d (Rodrigues et al., 2013).<\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-white-color has-text-color has-link-color has-medium-font-size wp-elements-acec8b57c0703733538d12c2525e8720 is-layout-flow wp-block-quote-is-layout-flow\" style=\"border-radius:100px\">\n<p class=\"has-white-color has-text-color has-link-color has-medium-font-size wp-elements-b4087493455b280d7489fdc6e71ac68e\"><strong>\u201cAs principais amea\u00e7as incluem destrui\u00e7\u00e3o de habitat, redu\u00e7\u00e3o de presas silvestres e transmiss\u00e3o de doen\u00e7as de c\u00e3es dom\u00e9sticos.\u201d<\/strong> (<strong>Rodrigues et al<\/strong>., 2013, <em>Plano de A\u00e7\u00e3o Nacional para a Conserva\u00e7\u00e3o dos Can\u00eddeos Silvestres<\/em>)<\/p>\n<\/blockquote>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-f6685af872ad35173813a0cb8b73d56a\">Em contrapartida, algumas iniciativas buscam reverter esse quadro. Projetos de monitoramento com c\u00e2meras-trap permitiram novos registros da esp\u00e9cie em \u00e1reas antes consideradas vazias. Ademais, a inclus\u00e3o do cachorro-vinagre em planos de a\u00e7\u00e3o nacionais fortalece a cria\u00e7\u00e3o de estrat\u00e9gias de conserva\u00e7\u00e3o espec\u00edficas. Portanto, a pesquisa cient\u00edfica aliada \u00e0 prote\u00e7\u00e3o dos habitats surge como caminho essencial para seu futuro.<\/p>\n\n\n\n<p><span><strong style=\"color: rgb(0, 0, 0); font-family: &quot;courier new&quot;, courier, monospace; font-size: 14pt; font-weight: bold;\">Import\u00e2ncia ecol\u00f3gica e perspectivas futuras <\/strong><\/span><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-03949e2d26515552547b9a7a89a316d6\">O cachorro-vinagre exerce forte impacto ecol\u00f3gico ao controlar popula\u00e7\u00f5es de roedores e outros <a href=\"https:\/\/biologo.com.br\/bio\/vertebrados\/\"><span style=\"text-decoration: underline;\">vertebrados<\/span><\/a>. Assim, funciona como regulador tr\u00f3fico em ecossistemas complexos. Al\u00e9m disso, seu comportamento social fornece dados comparativos valiosos para estudos de evolu\u00e7\u00e3o dos can\u00eddeos.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-7373e62bb2296a1242957bb21022229a\">Todavia, ainda existem lacunas consider\u00e1veis. Pouco se sabe sobre suas intera\u00e7\u00f5es com predadores maiores ou sobre sua real densidade populacional. Portanto, ampliar pesquisas de campo \u00e9 indispens\u00e1vel. Da mesma forma, o engajamento de comunidades locais pode favorecer a coexist\u00eancia entre humanos e esse predador discreto.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-e768f8b283f5267046547b10905bd9a3\">Finalmente, o cachorro-vinagre simboliza a riqueza e a fragilidade da fauna sul-americana. Embora pequeno e pouco conhecido, sua conserva\u00e7\u00e3o depende de grandes decis\u00f5es coletivas. Portanto, a sobreviv\u00eancia da esp\u00e9cie representa tamb\u00e9m o compromisso humano com a diversidade biol\u00f3gica.<br><\/p>\n\n\n\n<h6 class=\"wp-block-heading\"><span style=\"font-size: 10pt;\"><strong><strong style=\"font-family: &quot;courier new&quot;, courier, monospace; font-size: 12pt;\">Fontes e refer\u00eancias:<\/strong><\/strong><\/span><\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-99ddea7f1ce1c8539f0d69e1bac98f1f\">DeMatteo, K., Michalski , F. &amp; Leite-Pitman, M.R.P.&nbsp;2011.&nbsp;<em>Speothos venaticus<\/em>.&nbsp;<em>The IUCN Red List of Threatened Species<\/em>&nbsp;2011: e.T20468A9203243.&nbsp;<a href=\"https:\/\/dx.doi.org\/10.2305\/IUCN.UK.2011-2.RLTS.T20468A9203243.en\">https:\/\/dx.doi.org\/10.2305\/IUCN.UK.2011-2.RLTS.T20468A9203243.en<\/a>.&nbsp;Accessed on&nbsp;25 September 2025.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-fc97734e6033883120f3817e5067eb8c\">Beisiegel, B. M. (2009). <a href=\"https:\/\/canids.org\/canidnews\/12\/Bush_dogs_in_Sao_Paulo.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">First camera trap records of bush dogs (<em>Speothos venaticus<\/em>) from the Brazilian Atlantic Forest<\/a>. <em>Canid News<\/em>, 12: 1\u20135.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-9e82c1aef5d051422238c4593d986e69\">Beisiegel, B. M., &amp; Zuercher, G. L. (2005). <em><a href=\"https:\/\/www.researchgate.net\/publication\/261821456_Speothos_venaticus\" target=\"_blank\" rel=\"noreferrer noopener\">Speothos venaticus<\/a><\/em>. <em>Mammalian Species<\/em>, 783: 1\u20136.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-301d792c7c538a66042c812a3fb259b4\">DeMatteo, K. E., &amp; Loiselle, B. A. (2008). <a href=\"https:\/\/www.researchgate.net\/publication\/223754840_New_data_on_the_status_and_distribution_of_the_bush_dog_Speothos_venaticus_Evaluating_its_quality_of_protection_and_directing_research_efforts\" target=\"_blank\" rel=\"noreferrer noopener\">New data on bush dog (<em>Speothos venaticus<\/em>) in Paraguay: range, habitat, and conservation status<\/a>. <em>Oryx<\/em>, 42(3): 458\u2013463.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-2146c563b59b5faa7fa9312df7142224\">Michalski, F., &amp; Peres, C. A. (2007). <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18173486\/\" target=\"_blank\" rel=\"noreferrer noopener\">Disturbance-mediated mammal persistence and abundance-area relationships in Amazonian forest fragments<\/a>. <em>Conservation Biology<\/em>, 21(6): 1626\u20131640.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-c149569c510853ddde3b60269aca3197\"><a href=\"https:\/\/www.gov.br\/icmbio\/pt-br\/assuntos\/biodiversidade\/pan\/pan-canideos\/1-ciclo\/produtos\/2020-pan-canideos-produtores-rurais-canideos-silvestres.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Plano de A\u00e7\u00e3o Nacional para a Conserva\u00e7\u00e3o dos Can\u00eddeos Silvestres<\/a>. ICMBio, Bras\u00edlia.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color has-small-font-size wp-elements-1c0a4cd7ec12f4c047d46c2fa0890ff2\">Wozencraft, W. C. (2005). Order Carnivora. In: Wilson, D. E., &amp; Reeder, D. M. (Eds.), <em>Mammal Species of the World<\/em>. 3rd ed. Johns Hopkins University Press.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><a href=\"https:\/\/biologo.com.br\/bio\/apoie-o-biologo\/\"><img loading=\"lazy\" decoding=\"async\" width=\"174\" height=\"147\" data-attachment-id=\"11979\" data-permalink=\"https:\/\/biologo.com.br\/bio\/caracal-um-mestre-da-sobrevivencia\/apoiepeq\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/05\/apoiepeq.jpg?fit=174%2C147&amp;ssl=1\" data-orig-size=\"174,147\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"apoiepeq\" data-image-description=\"&lt;p&gt;Apoie o Bi\u00f3logo&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/05\/apoiepeq.jpg?fit=174%2C147&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2022\/05\/apoiepeq.jpg?resize=174%2C147&amp;ssl=1\" alt=\"Apoie o Bi\u00f3logo\" class=\"wp-image-11979\" style=\"width:156px;height:auto\" title=\"Apoie o Bi\u00f3logo\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/biologo.com.br\/bio\/apoie-o-biologo\/\">Apoie o Bi\u00f3logo<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cachorro-vinagre: pouco visto e estudado, o cachorro-vinagre (Speothos venaticus) representa um dos maiores mist\u00e9rios da fauna sul-americana. Entre as sombras<\/p>\n","protected":false},"author":1,"featured_media":19778,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Pouco visto e estudado, o cachorro-vinagre (Speothos venaticus) representa um dos maiores mist\u00e9rios da fauna sul-americana. ","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[135,8,25,9,27],"tags":[100,95,69,73],"class_list":["post-19753","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conservacao","category-ecologia","category-mamiferos","category-mastozoologia","category-zoologia","tag-conservacao","tag-ecologia","tag-mamiferos","tag-zoologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cachorro-vinagre: o enigma do can\u00eddeo da Am\u00e9rica do Sul<\/title>\n<meta name=\"description\" content=\"Cachorro-vinagre (Speothos venaticus) ou\u00a0aracamb\u00e9,\u00a0jaguacininga,\u00a0jaguaracamb\u00e9,\u00a0janauira, esse pequeno can\u00eddeo ocupa um papel ecol\u00f3gico\" \/>\n<meta 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