{"id":7436,"date":"2020-07-28T17:59:26","date_gmt":"2020-07-28T20:59:26","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=7436"},"modified":"2023-07-28T12:25:58","modified_gmt":"2023-07-28T15:25:58","slug":"estrategias-de-lutas-entre-animais","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/estrategias-de-lutas-entre-animais\/","title":{"rendered":"Estrat\u00e9gias de lutas entre animais"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Estrat\u00e9gias de lutas entre animais: <\/strong><span style=\"color: #000000;\">Combina\u00e7\u00e3o de tr\u00eas modelos te\u00f3ricos explica as estrat\u00e9gias de luta entre machos da mesma esp\u00e9cie<\/span><\/span><\/span><\/p>\n<h2><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>Estrat\u00e9gias de lutas entre animais<\/strong><\/span><\/h2>\n<p><span style=\"font-size: 8pt; color: #000000;\">28\/7\/2020 ::\u00a0 Carlos Fioravanti \/ Pesquisa FAPESP. \u00a0<span style=\"color: #999999;\"><a style=\"color: #999999;\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">CC BY-ND 4.0<\/a><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 24pt;\"><strong>Q<\/strong><\/span>uando brigam, machos da mesma esp\u00e9cie n\u00e3o adotam uma \u00fanica estrat\u00e9gia que define o momento de parar ou continuar, como se pensava, mas podem ir de uma para outra, de acordo com o desgaste que sofrerem, o interesse na recompensa ou a for\u00e7a do oponente. <\/span><\/p>\n<p><a href=\"https:\/\/biologo.com.br\/bio\/micos-de-estomago-forte\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6880\" data-permalink=\"https:\/\/biologo.com.br\/bio\/micos-de-estomago-forte\/micos-de-estomago-forte-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Micos-de-est%C3%B4mago-forte.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" 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=\"Micos-de-est\u00f4mago-forte\" data-image-description=\"&lt;p&gt;micos-le\u00f5es-pretos (Leontopithecus chrysopygus).&lt;br \/&gt;\nMico-le\u00e3o-preto em uma floresta semidecida remanescente em Teodoro Sampaio, Estado de S\u00e3o Paulo, Brasil. Fazenda Santa M\u00f4nica. Miguelrangeljr \/ CC BY-SA (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0)&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Mico-le\u00e3o-preto em  floresta remanescente em Teodoro Sampaio, Estado de S\u00e3o Paulo, Brasil. Fazenda Santa M\u00f4nica.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Micos-de-est%C3%B4mago-forte.jpg?fit=631%2C351&amp;ssl=1\" class=\"alignright wp-image-6880 size-thumbnail\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Micos-de-est%C3%B4mago-forte.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Micos de est\u00f4mago forte\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Micos-de-est%C3%B4mago-forte.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Micos-de-est%C3%B4mago-forte.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Micos-de-est%C3%B4mago-forte.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/p>\n<p><span style=\"color: #000000;\">Bi\u00f3logos de Minas Gerais, S\u00e3o Paulo e da Bahia chegaram a essa conclus\u00e3o depois de examinar centenas de estudos cient\u00edficos e de observar lagartos, caranguejos, besouros e an\u00eamonas se atracando em laborat\u00f3rio ou sapos e grilos se digladiando em matas \u00e0 noite.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/hipotese-da-rainha-vermelha\/\">Hip\u00f3tese da Rainha Vermelha<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/ecologia-comportamental\/\">Ecologia Comportamental<\/a><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">As motiva\u00e7\u00f5es j\u00e1 eram conhecidas: com o cora\u00e7\u00e3o batendo mais r\u00e1pido, os machos se pegam principalmente por causa de f\u00eameas com as quais poderiam se acasalar, por abrigo, por comida ou por territ\u00f3rio. O problema persistente era que nenhuma das tr\u00eas teorias mais usadas explicava completamente como os animais agiam durante as contendas e por que paravam, tendo ou n\u00e3o vencido.<\/span><\/p>\n<figure id=\"attachment_6187\" aria-describedby=\"caption-attachment-6187\" style=\"width: 150px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/biologo.com.br\/bio\/croacia-selvagem\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6187\" data-permalink=\"https:\/\/biologo.com.br\/bio\/croacia-selvagem\/croacia-selvagem\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Cro%C3%A1cia-Selvagem.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" 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=\"Cro\u00e1cia-Selvagem\" data-image-description=\"&lt;p&gt;Cro\u00e1cia Selvagem&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Cro\u00e1cia Selvagem&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Cro%C3%A1cia-Selvagem.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-6187 size-thumbnail\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Cro%C3%A1cia-Selvagem.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Cro\u00e1cia Selvagem\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Cro%C3%A1cia-Selvagem.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Cro%C3%A1cia-Selvagem.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/07\/Cro%C3%A1cia-Selvagem.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><figcaption id=\"caption-attachment-6187\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/croacia-selvagem\/\">Cro\u00e1cia Selvagem<\/a><\/span><\/figcaption><\/figure>\n<h3><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\"><strong><span style=\"color: #000000;\">Guerra de desgaste (WOA)<\/span><\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">A primeira teoria, chamada modelo de guerra de desgaste (WOA), defende que um valent\u00e3o decide desistir com base apenas na energia que teria de gastar, sem avaliar o oponente. \u201cO WOA \u00e9 um modelo de avalia\u00e7\u00e3o pr\u00f3pria\u201d, diz o bi\u00f3logo Paulo Enrique Cardoso Peixoto, da Universidade Federal de Minas Gerais (UFMG). \u00c9 o caso, ele exemplifica, dos machos da borboleta <em>Hermeuptychia fallax.<\/em> Eles se enfrentam sem se tocar, voando em c\u00edrculos um pr\u00f3ximo ao outro, e param quando se cansam.<\/span><\/p>\n<h3><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\"><strong><span style=\"color: #000000;\">Modelo de avalia\u00e7\u00e3o sequencial (SAM)<\/span><\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/biologo.com.br\/bio\/o-reino-dos-mamiferos\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1981\" data-permalink=\"https:\/\/biologo.com.br\/bio\/?attachment_id=1981\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/12\/semana-da-biologia.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" 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=\"semana-da-biologia\" data-image-description=\"&lt;p&gt;XXIV Semana da Biologia \u2013 UNESP Bauru \u00e9 um evento de car\u00e1ter cient\u00edfico e sem fins lucrativos, que ocorrer\u00e1 no campus da Unesp Bauru no per\u00edodo de 24 a 28 de abril de 2017. Esse evento \u00e9 organizado pelos alunos do Curso de Ci\u00eancias Biol\u00f3gicas, com apoio do Departamento e do Conselho de Curso da FC\/UNESP Bauru&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;XXIV Semana da Biologia&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/12\/semana-da-biologia.jpg?fit=631%2C351&amp;ssl=1\" class=\"alignright wp-image-1981 size-thumbnail\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/12\/semana-da-biologia.jpg?resize=150%2C150&#038;ssl=1\" alt=\"XXIV Semana da Biologia\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/12\/semana-da-biologia.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/12\/semana-da-biologia.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/12\/semana-da-biologia.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/p>\n<p><span style=\"color: #000000;\">A segunda abordagem te\u00f3rica sobre estrat\u00e9gias de lutas entre animais, conhecida como modelo de avalia\u00e7\u00e3o sequencial (SAM), pressup\u00f5e que um macho entra em uma luta depois de avaliar o tamanho e a for\u00e7a do rival. <\/span><\/p>\n<p><span style=\"color: #000000;\">\u201cMesmo sem ter sofrido nenhum dano, um dos participantes pode desistir se perceber rapidamente que \u00e9 mais fraco que o oponente\u201d, explica Peixoto. \u00c9 como fazem os camar\u00f5es-mantis ou tamburutacas (<em>Neogonodactylus bredini<\/em>).<\/span><\/p>\n<h4><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\"><strong><span style=\"color: #000000;\">Modelo de avalia\u00e7\u00e3o cumulativa (CAM)<\/span><\/strong><\/span><\/h4>\n<p><span style=\"color: #000000;\">No modelo de avalia\u00e7\u00e3o cumulativa (CAM), a terceira abordagem, um combatente sai de uma refrega tamb\u00e9m por decis\u00e3o pr\u00f3pria, mas com base na intera\u00e7\u00e3o com o outro. \u201cA decis\u00e3o de sair depende dos danos que sofre\u201d, diz Alexandre Palaoro, da\u00a0<a style=\"color: #000000;\" href=\"http:\/\/www.alexandrevpalaoro.eco.br\/\" target=\"_blank\" rel=\"noopener noreferrer\">Universidade Federal de S\u00e3o Paulo (Unifesp)<\/a>\u00a0em Diadema, na Grande S\u00e3o Paulo. \u00c9 assim entre os caranguejos chama-mar\u00e9 (<i>Austruca mjoebergi<\/i>), por exemplo.<\/span><\/p>\n<p><span style=\"color: #000000;\">Em 2014, com Nelson Pinto, atualmente professor no Centro Universit\u00e1rio UniAraguaia, em Goi\u00e2nia,\u00a0Peixoto e Palaoro come\u00e7aram a avaliar se os tr\u00eas modelos te\u00f3ricos realmente explicavam as lutas entre machos de 36 esp\u00e9cies, incluindo insetos, aracn\u00eddeos, caranguejos, moluscos, anf\u00edbios, r\u00e9pteis, peixes e mam\u00edferos.\u00a0<\/span><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7438\" data-permalink=\"https:\/\/biologo.com.br\/bio\/estrategias-de-lutas-entre-animais\/estrategias-de-lutas-entre-animais-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/Estrat%C3%A9gias-de-lutas-entre-animais.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" 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=\"Estrat\u00e9gias-de-lutas-entre-animais\" data-image-description=\"&lt;p&gt;Estrat\u00e9gias de lutas entre animais. besouros&lt;\/p&gt;\n&lt;p&gt;cervus; brigando; lucanus; veado;&lt;br \/&gt;\ninsetos&lt;\/p&gt;\n&lt;p&gt;temas animais&lt;\/p&gt;\n&lt;p&gt;animais selvagens&lt;\/p&gt;\n&lt;p&gt;animal&lt;\/p&gt;\n&lt;p&gt;natureza&lt;\/p&gt;\n&lt;p&gt;animais em estado selvagem&lt;\/p&gt;\n&lt;p&gt;ningu\u00e9m&lt;\/p&gt;\n&lt;p&gt;invertebrado&lt;\/p&gt;\n&lt;p&gt;um animal&lt;\/p&gt;\n&lt;p&gt;inseto&lt;\/p&gt;\n&lt;p&gt;cor preta&lt;\/p&gt;\n&lt;p&gt;terra&lt;\/p&gt;\n&lt;p&gt;fechar-se&lt;\/p&gt;\n&lt;p&gt;dia&lt;\/p&gt;\n&lt;p&gt;parte da planta&lt;\/p&gt;\n&lt;p&gt;folha&lt;\/p&gt;\n&lt;p&gt;plantar&lt;\/p&gt;\n&lt;p&gt;foco em primeiro plano&lt;\/p&gt;\n&lt;p&gt;ao ar livre&lt;\/p&gt;\n&lt;p&gt;besouro&lt;\/p&gt;\n&lt;p&gt;\u00e1rvore&lt;\/p&gt;\n&lt;p&gt;rastejando&lt;\/p&gt;\n&lt;p&gt;foto&lt;\/p&gt;\n&lt;p&gt;dois&lt;\/p&gt;\n&lt;p&gt;Castanho&lt;\/p&gt;\n&lt;p&gt;Preto&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;foto de dois besouros marrons e pretos brigando, cervus, lucanus,&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/Estrat%C3%A9gias-de-lutas-entre-animais.jpg?fit=631%2C351&amp;ssl=1\" class=\"alignright wp-image-7438 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/Estrat%C3%A9gias-de-lutas-entre-animais.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Estrat\u00e9gias de lutas entre animais\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/Estrat%C3%A9gias-de-lutas-entre-animais.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/Estrat%C3%A9gias-de-lutas-entre-animais.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><span style=\"color: #000000;\">Eles conclu\u00edram que nenhuma das tr\u00eas teorias explicava completamente os conflitos entre os machos da mesma esp\u00e9cie, que pareciam mudar de estrat\u00e9gia enquanto se pegavam. Ent\u00e3o, propuseram que mais de uma abordagem conceitual poderia ser usada para indicar quando os animais decidiam sair da briga ou enfrentar o oponente.\u00a0<\/span><\/p>\n<p><span style=\"color: #000000;\">A combina\u00e7\u00e3o entre os modelos te\u00f3ricos funcionava melhor do que cada um deles separadamente para explicar os conflitos que cada um, isoladamente, n\u00e3o explicava bem, como argumentado em um artigo publicado em agosto de 2019 na revista cient\u00edfica\u00a0<i>Biological Reviews<\/i>. As escaramu\u00e7as entre animais ficaram mais claras sob esse novo olhar.\u00a0<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\">Vale a pena brigar?<\/span><\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\"><i>Melanotes ornata<\/i>, um grilo de h\u00e1bitos noturnos, por exemplo, \u00e9 uma das esp\u00e9cies cujo comportamento n\u00e3o era bem explicado por nenhuma teoria isoladamente, porque muda de estrat\u00e9gia durante a luta. De setembro a novembro de 2015, coincidindo com a \u00e9poca reprodutiva dessa esp\u00e9cie, os bi\u00f3logos Gabriel Lobregat, da Universidade Federal de Vi\u00e7osa, e Thiago Kloss, da Universidade do Estado de Minas Gerais, passaram noites a observar esses grilos se digladiando em meio \u00e0s \u00e1rvores de duas \u00e1reas de conserva\u00e7\u00e3o do Esp\u00edrito Santo.\u00a0<\/span><\/p>\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/thumbs.gfycat.com\/AmusingUntriedBarnacle-size_restricted.gif?w=800&#038;ssl=1\" alt=\"\"\/><figcaption class=\"wp-element-caption\">B\u00fafalos machos em disputa<\/figcaption><\/figure>\n\n\n<p><span style=\"color: #000000;\">Primeiramente, esse inseto mede o rival, colocando uma antena sobre sua cabe\u00e7a e outra sobre o fim do abd\u00f4men. \u201cSe nesse momento o grilo percebe que o outro \u00e9 muito grande, ele sai da briga\u201d, diz Peixoto, que participou desse estudo, publicado em novembro de 2019 na\u00a0<i>Behavioral Ecology<\/i>. \u201cSer capaz de avaliar se o rival \u00e9 maior ou menor e desistir antes de entrar numa fase mais agressiva indica que eles fazem avalia\u00e7\u00e3o m\u00fatua, como previsto pelo SAM\u201d, comenta.<\/span><\/p>\n<p><span style=\"color: #000000;\">Se n\u00e3o desistem, os grilos se posicionam em sentidos opostos, aproximando o final do abd\u00f4men, e, com as duas pernas maiores do que as outras, empurram-se ou se chutam, dentro da estrat\u00e9gia CAM. As observa\u00e7\u00f5es realizadas com os grilos em um laborat\u00f3rio perto da mata (<em>v\u00eddeo abaixo<\/em>) reiteraram essas conclus\u00f5es. Dos 39 encontros entre os machos, 20 resultaram em ataques efetivos, dos quais seis terminaram antes que come\u00e7asse a troca de chutes, com a desist\u00eancia de um dos grilos.\u00a0<\/span><\/p>\n<h6><span style=\"font-size: 10pt; color: #000000; font-family: 'courier new', courier, monospace;\"><strong>Artigos cient\u00edficos<\/strong><\/span><\/h6>\n<p><span style=\"font-size: 8pt; color: #000000;\">PINTO, N. S.\u00a0<em>et al<\/em>.\u00a0<a style=\"color: #000000;\" href=\"https:\/\/onlinelibrary.wiley.com\/doi\/abs\/10.1111\/brv.12509\" target=\"_blank\" rel=\"noopener noreferrer\">All by myself? Meta-analysis of animal contests shows stronger support for self than for mutual assessment models<\/a>.\u00a0<strong>Biological Reviews<\/strong>. v. 94, n. 4, p. 1430-42. ago. 2019.<\/span><br \/><span style=\"font-size: 8pt; color: #000000;\">LOBREGAT, G.\u00a0<em>et al<\/em>.\u00a0<a style=\"color: #000000;\" href=\"https:\/\/academic.oup.com\/beheco\/article-abstract\/30\/3\/688\/5299850\" target=\"_blank\" rel=\"noopener noreferrer\">Fighting in rounds: Males of a neotropical cricket switch assessment strategies during contests<\/a>.\u00a0<strong>Behavioral Ecology<\/strong>. v. 30, n. 3, p. 688-96. nov. 2019.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-size: 10pt;\">Fonte: <a style=\"color: #000000;\" href=\"https:\/\/revistapesquisa.fapesp.br\/\" target=\"_blank\" rel=\"noopener noreferrer\">Revista Fapesp<\/a> &gt;\u00a0<\/span><\/span><span style=\"font-size: 10pt;\"><a title=\"A hora de brigar ou desistir\" href=\"https:\/\/revistapesquisa.fapesp.br\/a-hora-de-brigar-ou-desistir\/\">A hora de brigar ou desistir<\/a><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Estrat\u00e9gias de lutas entre animais: Combina\u00e7\u00e3o de tr\u00eas modelos te\u00f3ricos explica as estrat\u00e9gias de luta entre machos da mesma esp\u00e9cie<\/p>\n","protected":false},"author":1,"featured_media":7438,"comment_status":"closed","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":"Estrat\u00e9gias de lutas entre animais: A hora de brigar ou desistir: Combina\u00e7\u00e3o de tr\u00eas modelos te\u00f3ricos explica as estrat\u00e9gias de luta entre machos da mesma esp\u00e9cie","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[138,8,27],"tags":[],"class_list":["post-7436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comportamento","category-ecologia","category-zoologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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