{"id":40206,"date":"2026-01-29T14:36:37","date_gmt":"2026-01-29T14:36:37","guid":{"rendered":"https:\/\/www.futurismo.pt\/blog\/\/"},"modified":"2026-01-29T14:50:35","modified_gmt":"2026-01-29T14:50:35","slug":"are-whales-mammals","status":"publish","type":"post","link":"https:\/\/staging.futurismo.pt\/pt\/blog\/as-baleias-sao-mamiferos\/","title":{"rendered":"As baleias s\u00e3o mam\u00edferos? Descubra a verdade sobre os maiores mam\u00edferos do oceano"},"content":{"rendered":"<p>Se alguma vez deu por si a perguntar, <em>\"As baleias s\u00e3o mam\u00edferos?\"<\/em> n\u00e3o est\u00e1 sozinho. Parece uma daquelas perguntas com uma resposta \u00f3bvia, at\u00e9 pensarmos duas vezes. Afinal de contas, as baleias vivem debaixo de \u00e1gua, t\u00eam barbatanas e t\u00eam um aspeto suspeito de peixe... Ent\u00e3o, s\u00e3o peixes ou mam\u00edferos?<\/p>\n\n\n\n<p>Deixem-me dizer-vos que as baleias s\u00e3o mam\u00edferos 100%. Mas esperem, n\u00e3o se deixem enganar pensando que isto \u00e9 apenas mais uma aula de biologia, fiquem por a\u00ed. O mundo das baleias est\u00e1 cheio de factos estranhos, desde o leite com textura de pasta de dentes at\u00e9 aos umbigos e ao sono com o c\u00e9rebro dividido. Est\u00e1s prestes a ver estes gigantes do oceano de uma forma totalmente nova.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.futurismo.pt\/tours\/whale-watching-in-ponta-delgada-sao-miguel-azores\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"815\" height=\"250\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/12\/13.jpg\" alt=\"\" class=\"wp-image-35104\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/13.jpg 815w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/13-300x92.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/13-768x236.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/13-18x6.jpg 18w\" sizes=\"(max-width: 815px) 100vw, 815px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-whales-are-mammals\">Porque \u00e9 que as baleias s\u00e3o mam\u00edferos?<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-1024x682.jpg\" alt=\"\" class=\"wp-image-36302\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-1024x682.jpg 1024w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-300x200.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-768x512.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-1536x1024.jpg 1536w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-2048x1365.jpg 2048w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/01\/Sao-Miguel_Species_Baleen-whales_Fin-whale_fin-whale-copy-18x12.jpg 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Futurismo <a class=\"wpil_keyword_link\" href=\"https:\/\/futurismo.pt\/species\/fin-whale\/\" target=\"_blank\" rel=\"noopener\" title=\"Baleia-comum\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"845\">Baleia-comum<\/a> na <a class=\"wpil_keyword_link\" href=\"https:\/\/futurismo.pt\/islands\/sao-miguel-island-azores\/\" target=\"_blank\" rel=\"noopener\" title=\"S\u00e3o Miguel\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"848\">S\u00e3o Miguel<\/a> Costa<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Apesar de passarem toda a sua vida no oceano, as baleias t\u00eam mais em comum com os seres humanos do que com os peixes. As baleias pertencem \u00e0 ordem <em>Cet\u00e1ceos<\/em>O que \u00e9 que faz deles mam\u00edferos? Mas o que os torna exatamente mam\u00edferos?<\/p>\n\n\n\n<p>Vamos l\u00e1 ver o que se passa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Respiram o ar atrav\u00e9s dos pulm\u00f5es: estas criaturas respiram da mesma forma que os humanos e n\u00e3o usam guelras como os peixes.<\/li>\n\n\n\n<li>S\u00e3o animais de sangue quente: mant\u00eam uma temperatura corporal est\u00e1vel como todos os mam\u00edferos.<\/li>\n\n\n\n<li>T\u00eam pelo (sim!): normalmente apenas algumas cerdas quando s\u00e3o beb\u00e9s.<\/li>\n\n\n\n<li>Produzem leite e amamentam as suas crias, o que \u00e9 uma carater\u00edstica que define os mam\u00edferos.<\/li>\n\n\n\n<li>E sim, t\u00eam umbigo: um sinal de nascimento vivo atrav\u00e9s da placenta, tal como n\u00f3s.<\/li>\n<\/ul>\n\n\n\n<p><strong>Portanto, para responder \u00e0 pergunta <em>\"As baleias s\u00e3o mam\u00edferos?\"<\/em> - \u00e9 um alto e orgulhoso sim!<\/strong><\/p>\n\n\n\n<p><strong>Artigos relacionados<\/strong>: <a href=\"https:\/\/futurismo.pt\/blog\/do-whales-and-dolphins-lay-eggs-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">As baleias e os golfinhos p\u00f5em ovos?<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/how-do-dolphins-mate-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">Comportamentos de acasalamento e la\u00e7os sociais nos golfinhos<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/how-fast-can-whales-swim-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">Velocidades m\u00e1ximas de nata\u00e7\u00e3o das baleias<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/how-do-whales-and-dolphins-communicate-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sistemas de comunica\u00e7\u00e3o entre baleias e golfinhos<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/is-the-fin-whale-endangered-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">Estado de conserva\u00e7\u00e3o global das baleias-comuns<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/portuguese-man-o-war-jellyfish-physalia-physalis-everything-you-need-to-know\/\" target=\"_blank\" rel=\"noreferrer noopener\">Homem-da-guerra portugu\u00eas (Physalia physalis)<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/what-is-a-group-of-dolphins-called-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">Substantivos colectivos para diferentes grupos de golfinhos<\/a> | <a href=\"https:\/\/futurismo.pt\/blog\/what-do-dolphins-eat-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">O que \u00e9 que os golfinhos comem?<\/a> | <a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\">As baleias s\u00e3o mam\u00edferos?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-from-land-to-sea-how-whales-became-ocean-giants\">Da terra ao mar: como as baleias se tornaram gigantes do oceano<\/h2>\n\n\n\n<p>\u00d3ptima pergunta. H\u00e1 muito tempo, os antepassados das baleias eram mam\u00edferos terrestres, semelhantes a veados, que trocaram lentamente os trilhos da floresta pelas ondas salgadas. Com o passar do tempo, as suas pernas transformaram-se em barbatanas, os seus narizes passaram para o topo da cabe\u00e7a (ol\u00e1, espir\u00e1culo) e os seus corpos adaptaram-se para deslizar na \u00e1gua com graciosidade. Esta transi\u00e7\u00e3o ocorreu h\u00e1 cerca de 50 milh\u00f5es de anos. Por isso, sim, podemos dizer que as baleias s\u00e3o primas mais pr\u00f3ximas das vacas do que dos tubar\u00f5es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-underwater-nursing-how-whale-calves-drink-milk\">Amamenta\u00e7\u00e3o subaqu\u00e1tica: Como as crias de baleia bebem leite<\/h2>\n\n\n\n<p>Se achavas que amamentar era complicado, experimenta faz\u00ea-lo a 20 metros de profundidade. As m\u00e3es baleia produzem leite extremamente espesso, com a consist\u00eancia de pasta de dentes (sem sabor a menta, presumimos), e mais de 30% de gordura. Isto permite que o leite se mantenha unido debaixo de \u00e1gua, para que n\u00e3o se dissolva antes de chegar \u00e0 boca do beb\u00e9.<\/p>\n\n\n\n<p>As baleias beb\u00e9s sabem instintivamente onde mamar. Embora n\u00e3o haja mamilos vis\u00edveis, as baleias-m\u00e3e t\u00eam sulcos especiais que libertam leite quando estimulados pela l\u00edngua da cria. Isto evita que o leite seja desperdi\u00e7ado na \u00e1gua e permite uma alimenta\u00e7\u00e3o adequada das crias.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-whale-sleep-secrets-resting-one-half-of-the-brain-at-a-time\">Segredos do sono da baleia: Descansando uma metade do c\u00e9rebro de cada vez<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/06\/The-two-blow-holes-of-a-blue-whale-Balaenoptera-musculus-1024x682.jpg\" alt=\"\" class=\"wp-image-29162\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/06\/The-two-blow-holes-of-a-blue-whale-Balaenoptera-musculus-1024x682.jpg 1024w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/06\/The-two-blow-holes-of-a-blue-whale-Balaenoptera-musculus-300x200.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/06\/The-two-blow-holes-of-a-blue-whale-Balaenoptera-musculus-768x512.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/06\/The-two-blow-holes-of-a-blue-whale-Balaenoptera-musculus-18x12.jpg 18w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/06\/The-two-blow-holes-of-a-blue-whale-Balaenoptera-musculus.jpg 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Futurismo | Blow Hole of a <a class=\"wpil_keyword_link\" href=\"https:\/\/futurismo.pt\/species\/sperm-whale\/\" target=\"_blank\" rel=\"noopener\" title=\"Cachalote\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"846\">Cachalote<\/a> <\/figcaption><\/figure>\n<\/div>\n\n\n<p>Eles dormem, mas n\u00e3o como n\u00f3s. Como precisam de respirar conscientemente \u00e0 superf\u00edcie, apenas metade do seu c\u00e9rebro dorme de cada vez. A outra metade permanece acordada para controlar a respira\u00e7\u00e3o e vigiar o perigo. Por isso, sim, uma baleia nunca dorme completamente. Imagine ser capaz de dormir a sesta e responder a e-mails ao mesmo tempo (na verdade... n\u00e3o d\u00ea ideias ao seu chefe).<\/p>\n\n\n\n<p><strong>Artigos relacionados<\/strong>: <a href=\"https:\/\/www.futurismo.pt\/blog\/is-the-fin-whale-endangered-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">A baleia-comum est\u00e1 em perigo de extin\u00e7\u00e3o?<\/a> | <a href=\"https:\/\/www.futurismo.pt\/blog\/sperm-whale-diet-scientific-approach\/\" target=\"_blank\" rel=\"noreferrer noopener\">Dieta do cachalote<\/a> | <a href=\"https:\/\/www.futurismo.pt\/blog\/sperm-whales-scars-scientific-explanation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cicatrizes de cachalote<\/a> | <a href=\"https:\/\/www.futurismo.pt\/blog\/whale-watching-in-azores-when-is-the-best-time\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00c9pocas de pico para a observa\u00e7\u00e3o de baleias nos A\u00e7ores<\/a>| <a href=\"https:\/\/www.futurismo.pt\/blog\/what-does-a-whale-penis-look-like\/\" target=\"_blank\" rel=\"noreferrer noopener\">Qual \u00e9 o aspeto do p\u00e9nis de uma baleia?<\/a> | <a href=\"https:\/\/www.futurismo.pt\/blog\/what-does-whale-milk-taste-like\/\" target=\"_blank\" rel=\"noreferrer noopener\">Carater\u00edsticas e sabor do leite de baleia<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclus\u00e3o<\/h2>\n\n\n\n<p>Por isso, da pr\u00f3xima vez que algu\u00e9m perguntar: \"As baleias s\u00e3o mam\u00edferos?\", ter\u00e1 mais do que um simples \"sim\", ter\u00e1 hist\u00f3rias, ci\u00eancia e alguns factos divertidos para manter a conversa a fluir.<\/p>\n\n\n\n<p>Estes seres incr\u00edveis provam que ser um mam\u00edfero n\u00e3o \u00e9 apenas viver em terra; \u00e9 prosperar nos locais mais inesperados, formar la\u00e7os sociais profundos e lembrar-nos constantemente do pouco que sabemos sobre o oceano.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.futurismo.pt\/tours\/whale-watching-in-lajes-do-pico-azores\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"815\" height=\"250\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2.jpg\" alt=\"\" class=\"wp-image-37582\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2.jpg 815w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2-300x92.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2-768x236.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2-18x6.png 18w\" sizes=\"(max-width: 815px) 100vw, 815px\" \/><\/a><\/figure>\n<\/div>\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Gostaria de saber quais s\u00e3o as melhores alturas para observar baleias?<\/strong><br><br>Veja o nosso <a href=\"https:\/\/www.futurismo.pt\/whale-watching-azores-calendar\/\" target=\"_blank\" rel=\"noreferrer noopener\">calend\u00e1rio de observa\u00e7\u00e3o de baleias<\/a> e planeie a sua pr\u00f3xima aventura! N\u00e3o perca a oportunidade de avistar estas majestosas criaturas nas \u00e1guas a\u00e7orianas. \ud83d\udc0b \ud83c\udf0a<\/summary>\n<p><\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\">Perguntas frequentes<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1752575258143\"><strong class=\"schema-faq-question\">As baleias s\u00e3o mam\u00edferos ou peixes?<\/strong> <p class=\"schema-faq-answer\"><a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">As baleias s\u00e3o mam\u00edferos<\/a>As baleias s\u00e3o mam\u00edferos e n\u00e3o peixes. Respiram ar com pulm\u00f5es, t\u00eam sangue quente, d\u00e3o \u00e0 luz com vida e alimentam as crias com leite. Os peixes, por outro lado, t\u00eam guelras, p\u00f5em ovos e t\u00eam sangue frio. As baleias s\u00e3o mais aparentadas com as vacas do que com os tubar\u00f5es!<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752575277437\"><strong class=\"schema-faq-question\">Como \u00e9 que as baleias respiram se vivem debaixo de \u00e1gua?<\/strong> <p class=\"schema-faq-answer\"><a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baleias<\/a> respiram atrav\u00e9s de um espir\u00e1culo no topo da cabe\u00e7a. T\u00eam de subir regularmente \u00e0 superf\u00edcie para respirar e podem suster a respira\u00e7\u00e3o durante mergulhos prolongados. Ao contr\u00e1rio dos peixes, n\u00e3o t\u00eam guelras, pelo que n\u00e3o conseguem respirar debaixo de \u00e1gua.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752575316231\"><strong class=\"schema-faq-question\"><strong>As m\u00e3es baleia amamentam os seus beb\u00e9s?<\/strong><\/strong> <p class=\"schema-faq-answer\">Sim! <a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baleia<\/a> Sim! As m\u00e3es baleia produzem leite espesso e gordo que \u00e9 esguichado para a boca da cria debaixo de \u00e1gua. O leite \u00e9 t\u00e3o denso que n\u00e3o se dissolve facilmente, ajudando o beb\u00e9 a crescer rapidamente - por vezes ganhando mais de 90 kg por dia.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752575345416\"><strong class=\"schema-faq-question\">As baleias evolu\u00edram a partir de animais terrestres?<\/strong> <p class=\"schema-faq-answer\">Eles fizeram-no! <a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baleias<\/a> Eram mesmo! As baleias descendem de mam\u00edferos terrestres de quatro patas que viveram h\u00e1 cerca de 50 milh\u00f5es de anos. Com o tempo, os seus membros evolu\u00edram para barbatanas, os seus corpos tornaram-se mais \u00e1geis e adaptaram-se totalmente \u00e0 vida marinha.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752575371075\"><strong class=\"schema-faq-question\">Como \u00e9 que eles dormem?<\/strong> <p class=\"schema-faq-answer\"><a href=\"https:\/\/www.futurismo.pt\/blog\/how-do-whales-sleep-scientific-explanation\/\" target=\"_blank\" rel=\"noreferrer noopener\">As baleias dormem<\/a> As baleias dormem com uma metade do c\u00e9rebro de cada vez, o que lhes permite estar parcialmente alerta para respirar e estar atentas ao perigo. \u00c9 o chamado sono unihemisf\u00e9rico - e mant\u00e9m-nas vivas num mundo onde n\u00e3o podem respirar inconscientemente.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752575586372\"><strong class=\"schema-faq-question\"><strong>As baleias cantam mesmo?<\/strong><\/strong> <p class=\"schema-faq-answer\">Sim! As baleias jubarte s\u00e3o conhecidas principalmente pelas suas can\u00e7\u00f5es complexas, que podem durar horas e percorrer grandes dist\u00e2ncias debaixo de \u00e1gua. Estas vocaliza\u00e7\u00f5es podem ter objectivos como atrair parceiros ou coordenar-se com outras baleias.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1752575604270\"><strong class=\"schema-faq-question\">Qual \u00e9 o facto mais estranho sobre as baleias?<\/strong> <p class=\"schema-faq-answer\"><a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baleias<\/a> As baleias t\u00eam umbigo, queimam-se ao sol e desenvolvem camadas de cera nos ouvidos que revelam a sua idade - como os an\u00e9is das \u00e1rvores. Ah, e algumas esp\u00e9cies podem soltar enormes peidos debaixo de \u00e1gua. A natureza tem alcance!<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-references\">Refer\u00eancias<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ohta, S., Hattori, R., &amp; Ichihara, T. (1953). <em>Sobre a composi\u00e7\u00e3o qu\u00edmica do leite de baleia-comum<\/em>. Relat\u00f3rios cient\u00edficos do Instituto de Investiga\u00e7\u00e3o das Baleias, 8, 51-67.<a href=\" https:\/\/www.icrwhale.org\/pdf\/SC010151-167.pdf\"> https:\/\/www.icrwhale.org\/pdf\/SC010151-167.pdf<\/a><\/li>\n\n\n\n<li>Thewissen, J. G. M., Cooper, L. N., Clementz, M. T., Bajpai, S., &amp; Tiwari, B. N. (2007). As baleias originaram-se de artiod\u00e1ctilos aqu\u00e1ticos na \u00e9poca do Eoceno da \u00cdndia. <em>Natureza<\/em>, 450, 1190-1194.<br><a>https:\/\/doi.org\/10.1038\/nature06343<\/a><\/li>\n\n\n\n<li>Pabst, D. A., McLellan, W. A., &amp; Rommel, S. A. (1999). <em>Anatomia funcional dos mam\u00edferos marinhos<\/em>. Em J. E. Reynolds III &amp; S. A. Rommel (Eds.), Biology of marine mammals (pp. 15-72). Smithsonian Institution Press.<\/li>\n\n\n\n<li>Trumble, S. J., Robinson, E. M., Berman-Kowalewski, M., Potter, C. W., &amp; Usenko, S. (2013). <a class=\"wpil_keyword_link\" href=\"https:\/\/futurismo.pt\/species\/blue-whale\/\" target=\"_blank\" rel=\"noopener\" title=\"Baleia azul\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"847\">Baleia azul<\/a> O tamp\u00e3o para os ouvidos revela a exposi\u00e7\u00e3o a contaminantes e os perfis hormonais ao longo da vida. <em>Actas da Academia Nacional de Ci\u00eancias<\/em>, 110(42), 16922-16926.<br><a>https:\/\/doi.org\/10.1073\/pnas.1311418110<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>If you&#8217;ve ever found yourself asking, \u201cAre whales mammals?\u201d you&#8217;re not alone. It sounds like one of those questions with an obvious answer, until you think twice. After all, whales live underwater, have fins, and look suspiciously fishy\u2026 So, are they fish or mammals? Let me tell you that whales are 100% mammals. But hold [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":36323,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-40206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wildlife"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Are Whales Mammals? | Scientific Approach [2026] \ud83d\udd2c<\/title>\n<meta name=\"description\" content=\"Are whales mammals? Yes they are giants evolved from land mammals. 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They breathe air with lungs, are warm-blooded, give live birth, and feed their young with milk. Fish, on the other hand, have gills, lay eggs, and are cold-blooded. Whales are more closely related to cows than to sharks!\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/staging.futurismo.pt\\\/it\\\/blog\\\/le-balene-sono-mammiferi\\\/#faq-question-1752575277437\",\"position\":2,\"url\":\"https:\\\/\\\/staging.futurismo.pt\\\/it\\\/blog\\\/le-balene-sono-mammiferi\\\/#faq-question-1752575277437\",\"name\":\"How do whales breathe if they live underwater?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<a href=\\\"https:\\\/\\\/www.futurismo.pt\\\/blog\\\/are-whales-mammals\\\/\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">Whales<\\\/a> breathe through a blowhole on top of their heads. They must surface regularly to breathe and can hold their breath for extended dives. Unlike fish, they don\u2019t have gills \u2014 so they can\u2019t breathe underwater at all.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/staging.futurismo.pt\\\/it\\\/blog\\\/le-balene-sono-mammiferi\\\/#faq-question-1752575316231\",\"position\":3,\"url\":\"https:\\\/\\\/staging.futurismo.pt\\\/it\\\/blog\\\/le-balene-sono-mammiferi\\\/#faq-question-1752575316231\",\"name\":\"Do whale mothers breastfeed their babies?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes! <a href=\\\"https:\\\/\\\/www.futurismo.pt\\\/blog\\\/are-whales-mammals\\\/\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">Whale<\\\/a> mothers produce thick, fatty milk that\u2019s squirted into the calf\u2019s mouth underwater. 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They breathe air with lungs, are warm-blooded, give live birth, and feed their young with milk. Fish, on the other hand, have gills, lay eggs, and are cold-blooded. Whales are more closely related to cows than to sharks!","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575277437","position":2,"url":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575277437","name":"Como \u00e9 que as baleias respiram se vivem debaixo de \u00e1gua?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Whales<\/a> breathe through a blowhole on top of their heads. They must surface regularly to breathe and can hold their breath for extended dives. Unlike fish, they don\u2019t have gills \u2014 so they can\u2019t breathe underwater at all.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575316231","position":3,"url":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575316231","name":"As m\u00e3es baleia amamentam os seus beb\u00e9s?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes! <a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Whale<\/a> mothers produce thick, fatty milk that\u2019s squirted into the calf\u2019s mouth underwater. The milk is so dense it doesn\u2019t dissolve easily, helping the baby grow fast \u2014 sometimes gaining over 90 kg per day.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575345416","position":4,"url":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575345416","name":"As baleias evolu\u00edram a partir de animais terrestres?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"They did! <a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Whales<\/a> descended from four-legged land mammals that lived about 50 million years ago. Over time, their limbs evolved into fins, their bodies became streamlined, and they adapted fully to marine life.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575371075","position":5,"url":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575371075","name":"Como \u00e9 que eles dormem?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<a href=\"https:\/\/www.futurismo.pt\/blog\/how-do-whales-sleep-scientific-explanation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Whales sleep<\/a> with one half of their brain at a time, allowing them to stay partially alert to breathe and watch for danger. It\u2019s called unihemispheric sleep \u2014 and it keeps them alive in a world where they can\u2019t breathe unconsciously.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575586372","position":6,"url":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575586372","name":"As baleias cantam mesmo?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes! Humpback whales are primarily known for their complex songs, which can last for hours and travel vast distances underwater. These vocalizations may serve purposes like attracting mates or coordinating with other whales.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575604270","position":7,"url":"https:\/\/staging.futurismo.pt\/it\/blog\/le-balene-sono-mammiferi\/#faq-question-1752575604270","name":"Qual \u00e9 o facto mais estranho sobre as baleias?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<a href=\"https:\/\/www.futurismo.pt\/blog\/are-whales-mammals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Whales<\/a> have belly buttons, get sunburned, and grow layers of earwax that reveal their age \u2014 like tree rings. Oh, and some species can release huge underwater farts. Nature has range!","inLanguage":"pt-PT"},"inLanguage":"pt-PT"}]}},"_links":{"self":[{"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/posts\/40206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/comments?post=40206"}],"version-history":[{"count":2,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/posts\/40206\/revisions"}],"predecessor-version":[{"id":44046,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/posts\/40206\/revisions\/44046"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/media\/36323"}],"wp:attachment":[{"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/media?parent=40206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/categories?post=40206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staging.futurismo.pt\/pt\/wp-json\/wp\/v2\/tags?post=40206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}