{"id":14547,"date":"2016-07-20T22:30:55","date_gmt":"2016-07-20T22:30:55","guid":{"rendered":"https:\/\/lafeber.com\/pet-birds\/?p=14547"},"modified":"2025-08-09T15:26:28","modified_gmt":"2025-08-09T20:26:28","slug":"rethinking-bird-brained","status":"publish","type":"post","link":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/","title":{"rendered":"Complex Intelligence Defines Bird Brained"},"content":{"rendered":"<h2>Bird Brains Aren\u2019t That Simple!<\/h2>\n<figure id=\"attachment_44422\" aria-describedby=\"caption-attachment-44422\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-44422\" src=\"https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254-300x300.jpg\" alt=\"blue-and-gold macaw perched on branch against black backdrop\" width=\"300\" height=\"300\" srcset=\"https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254-300x300.jpg 300w, https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254-100x100.jpg 100w, https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254-768x768.jpg 768w, https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-44422\" class=\"wp-caption-text\">Photo by <a href=\"https:\/\/pixabay.com\/photos\/bird-blue-macaw-colorful-exotic-4026254\/\" target=\"_blank\" rel=\"noopener\">Dormeur74\/Pixabay<\/a><\/figcaption><\/figure>\n<p>We often taunt others about being a \u201cbird brain\u201d with the connotation that they are stupid or scatter brained! Why have we thought that, and why might science now suggest that \u2026 well, a bird brain just might be \u2026 \u201c<a href=\"https:\/\/lafeber.com\/pet-birds\/bird-brains-are-not-that-simple\/\">brainy!<\/a>\u201d<\/p>\n<p>It all started when we humans compared the smooth-surfaced brain of birds to that of mammals. Reptiles and birds have a smooth-surfaced brain termed a lissencephalic brain. As we look at the surface of the brains of mammals, we see that those brains contain convolutions. These convolutions are called gyri (the rounded parts) and the sulci are the fissures between. And when we look at the numbers of convolutions we find that they increase significantly with primates and humans.<\/p>\n<p>This finding led scientists to suggest that those animals that do not have convolutions (i.e., reptiles and birds), must have a simpler brain capacity, operating more at a reflex level without the capacity to think like those species with convolutions. And the corollary would be that as the numbers of gyri and sulci increase, the cognitive abilities of that species would also increase. The thinking was that there was an evolutionary development so that reptiles came first, then birds arrived with added parts to the nervous system, which laid the foundation for the more complex brain of mammals \u2014 leading to the ultimate brain with its significantly increased convolutions \u2014 humans!<\/p>\n<p>But there are cracks in that theory of &#8220;brain power,\u201d so to speak, and I previously reported on the <a href=\"https:\/\/lafeber.com\/pet-birds\/bird-intelligence\/\">theory of sociality and intelligence<\/a>. The conundrum was created by a series of studies beginning in the previous decade that directly compared the cognitive abilities of <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/parrot\/\">parrots<\/a> and crows with those of primates. The studies found that the birds could manufacture and use tools, use insight to solve problems, make inferences about cause-and-effect relationships, recognize themselves in a mirror and plan for future needs, among other cognitive skills previously considered the exclusive domain of primates.<\/p>\n<p>It was recognized that those bird species that are highly social like parrots and those that live in large flocks need greater intelligence to maintain that social structure, intelligence that also helps them <a href=\"https:\/\/lafeber.com\/pet-birds\/new-pepperberg-parrot-research-recognizing-2d-objects\/\">solve those puzzles<\/a> that scientists created for them. This created quite a problem for scientists to explain \u2014 how could they do that without those darn convolutions?<\/p>\n<p>When comparing areas of the forebrain of birds and mammals, birds did not have more space but less space. The forebrain is the area of the brain that can think into the future. The forebrain is also called\u00a0the prosencephalon, the region of the developing vertebrate\u00a0brain. This forebrain includes the telencephalon, which contains the cerebral hemispheres and those are the convolutions. Under these, are the other regions \u2013 the diencephalon, which contains the\u00a0<a href=\"https:\/\/www.britannica.com\/science\/thalamus\" target=\"_blank\" rel=\"noopener noreferrer\">thalamus<\/a>,\u00a0<a href=\"https:\/\/www.britannica.com\/science\/hypothalamus\" target=\"_blank\" rel=\"noopener noreferrer\">hypothalamus<\/a>,\u00a0<a href=\"https:\/\/www.britannica.com\/science\/epithalamus\" target=\"_blank\" rel=\"noopener noreferrer\">epithalamus<\/a>, and\u00a0<a href=\"https:\/\/www.britannica.com\/science\/subthalamus\" target=\"_blank\" rel=\"noopener noreferrer\">subthalamus<\/a>. The forebrain plays a central role in the processing of information related to complex cognitive activities, sensory and associative functions, and voluntary motor activities. It represents one of the three major developmental divisions of the brain; the other two are the\u00a0<a href=\"https:\/\/www.britannica.com\/science\/midbrain\" target=\"_blank\" rel=\"noopener noreferrer\">midbrain<\/a>\u00a0and\u00a0<a href=\"https:\/\/www.britannica.com\/science\/hindbrain\" target=\"_blank\" rel=\"noopener noreferrer\">hindbrain<\/a>.<\/p>\n<p>Well this past month, scientists who have been working on this conundrum have advanced the reason that birds have solved the problem of complex intelligence without gyri and sulci. The study was published in the National Academy of Sciences and here is the reference if you would like to read it in detail:<\/p>\n<p><a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/27298365\" target=\"_blank\" rel=\"noopener noreferrer\">Proc Natl Acad Sci U S A.<\/a>\u00a02016 Jun 28;113(26):7255-60. doi: 10.1073\/pnas.1517131113. Epub 2016 Jun 13. <strong>Birds\u00a0have primate-like\u00a0numbers\u00a0of\u00a0neurons\u00a0in the forebrain.<\/strong> Olkowicz S<sup>1<\/sup>,\u00a0Kocourek M<sup>1<\/sup>,\u00a0Lu\u010dan RK<sup>1<\/sup>,\u00a0Porte\u0161 M<sup>1<\/sup>,\u00a0Fitch WT<sup>2<\/sup>,\u00a0Herculano-Houzel S<sup>3<\/sup>,\u00a0N\u011bmec P<sup>4<\/sup>.<\/p>\n<p>It appears that the part of the brain that corresponds to the forebrain, the pallium in birds, has a much higher concentration of neurons or the brain cells packed in the same amount of space than many primates. These scientific colleagues studied the brains of 28 species, including the <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/blue-and-gold-macaw\/\">blue-and-gold macaw<\/a>, <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/african-grey-parrot\/\">African grey parrot<\/a>, <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/goffins-cockatoo\/\">Goffin&#8217;s cockatoo<\/a>, <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/cockatiel\/\">cockatiel<\/a> and <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/budgie-parakeet\/\">budgerigars<\/a>, and all of them had more cells in that forebrain area per mass than mammals, including some of the primates. For example, the blue-and-gold <a href=\"https:\/\/lafeber.com\/pet-birds\/species\/macaw\/\">macaw<\/a> had more neurons than the macaque even though the macaque brain is larger and has those convolutions.<\/p>\n<p>&#8220;We found that birds, especially songbirds and parrots, have surprisingly large numbers of neurons in their pallium: the part of the brain that corresponds to the cerebral cortex, which supports higher cognition functions such as planning for the future or finding patterns. That explains why they exhibit levels of cognition at least as complex as primates,&#8221; said Herculano-Houzel, who recently joined the Psychology Department at Vanderbilt University in Nashville, Tennessee.<\/p>\n<p>That is possible because the neurons in avian brains are much smaller and more densely packed than those in mammalian brains, the study found. Parrot and songbird brains, for example, contain about twice as many neurons as primate brains of the same mass and two to four times as many neurons as equivalent rodent brains. This could potentially provide the basis for their cognition that rivals primates.<\/p>\n<p>One of the important implications of the study, the neuroscientist said, is that it demonstrates that there is more than one way to build larger brains. Previously, neuroanatomists thought that as brains grew larger neurons had to grow bigger as well because they had to connect over longer distances. &#8220;But bird brains show that there are other ways to add neurons: keep most neurons small and locally connected and only allow a small percentage to grow large enough to make the longer connections. This keeps the average size of the neurons down,&#8221; she explained.<\/p>\n<p>This study opens up many questions regarding the brains of birds. One is that with all of those brain cells, does it require more energy to run the brain in birds compared with mammals? Why would this system of small cells be better for birds that fly? Even the emu had more cells in the pallium compared with mammals of similar brain size. Why did the mammal brain diverge using a different system? These and other questions are very exciting. But it just verifies to bird owners what we already knew in part \u2014 bird brains are not that simple and we know now that is because they have a large number of small neurons packed in their forebrains!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It appears that the part of the brain that corresponds to the forebrain, the pallium in birds, has a much higher concentration of neurons or the brain cells packed in the same amount of space than many primates. <\/p>\n","protected":false},"author":7,"featured_media":44422,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[81,95],"tags":[],"class_list":["post-14547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-behavior","category-health"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Complex Intelligence Defines Bird Brained &#8211; 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ABVP (Avian), Dipl. ECZM (Avian),\u00a0\u00a0received her Ph.D, in human neuroanatomy from the University of Cincinnati, College of Medicine and her DVM degree from Ohio State University. She is a board-certified specialist in avian medicine and surgery, both in the United States (ABVP, Avian) and in Europe (ECZM, Avian). She is known internationally through the advances made for the health care of birds, books and articles she has written, and her lectures to veterinarians and bird owners alike. After practicing in California, she went on to become a faculty member of the University of Tennessee, College of Veterinary Medicine from 1986 to 2000, where she taught avian medicine and surgery to veterinary students and residents. While there, she developed the Avian, Exotic Animal and Wildlife Service in the Veterinary Teaching Hospital and an avian residency program leading to board certification in avian medicine through ABVP. This service was recognized for having the largest caseload of exotic animals at any American veterinary teaching hospital. She has a number of areas of concentration including avian nutrition, anatomy, fungal diseases, neuroanatomy and herbal medicine.\u00a0\u00a0She consults for the Lafeber Company as needed. Dr. Orosz\u00a0is past president of the Association of Avian Veterinarians (AAV),\u00a0 has been a scientific editor for the\u00a0Journal of Avian\u00a0Medicine and Surgery and a recipient of the Dr. T.J. Lafeber Avian Practitioner of the Year award.\u00a0 She\u00a0is owner of Bird and Exotic Pet Wellness Center, an exclusively exotics veterinary hospital in Toledo, Ohio.\",\"sameAs\":[\"http:\\\/\\\/lafeber.com\\\/pet-birds\\\/about-susan-orosz\\\/\"],\"url\":\"https:\\\/\\\/lafeber.com\\\/pet-birds\\\/author\\\/susan\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Complex Intelligence Defines Bird Brained &#8211; Pet Birds by Lafeber Co.","description":"It appears that the part of the brain that corresponds to the forebrain, the pallium in birds, has a much higher concentration of neurons or the brain cells packed in the same amount of space than many primates.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/","og_locale":"en_US","og_type":"article","og_title":"Complex Intelligence Defines Bird Brained &#8211; 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Pet Birds by Lafeber Co.","isPartOf":{"@id":"https:\/\/lafeber.com\/pet-birds\/#website"},"primaryImageOfPage":{"@id":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/#primaryimage"},"image":{"@id":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/#primaryimage"},"thumbnailUrl":"https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254.jpg","datePublished":"2016-07-20T22:30:55+00:00","dateModified":"2025-08-09T20:26:28+00:00","author":{"@id":"https:\/\/lafeber.com\/pet-birds\/#\/schema\/person\/752103108edd74a1f8ae356d1a967f80"},"description":"It appears that the part of the brain that corresponds to the forebrain, the pallium in birds, has a much higher concentration of neurons or the brain cells packed in the same amount of space than many primates.","breadcrumb":{"@id":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/#primaryimage","url":"https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254.jpg","contentUrl":"https:\/\/lafeber.com\/pet-birds\/wp-content\/uploads\/2016\/07\/blue-and-gold-macaw-px-4026254.jpg","width":800,"height":800,"caption":"Photo by Dormeur74\/Pixabay"},{"@type":"BreadcrumbList","@id":"https:\/\/lafeber.com\/pet-birds\/rethinking-bird-brained\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lafeber.com\/pet-birds\/"},{"@type":"ListItem","position":2,"name":"Complex Intelligence Defines Bird Brained"}]},{"@type":"WebSite","@id":"https:\/\/lafeber.com\/pet-birds\/#website","url":"https:\/\/lafeber.com\/pet-birds\/","name":"Lafeber\u00ae Pet Birds","description":"Two Generations of Veterinarians Caring &amp; 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ABVP (Avian), Dipl. ECZM (Avian),\u00a0\u00a0received her Ph.D, in human neuroanatomy from the University of Cincinnati, College of Medicine and her DVM degree from Ohio State University. She is a board-certified specialist in avian medicine and surgery, both in the United States (ABVP, Avian) and in Europe (ECZM, Avian). She is known internationally through the advances made for the health care of birds, books and articles she has written, and her lectures to veterinarians and bird owners alike. After practicing in California, she went on to become a faculty member of the University of Tennessee, College of Veterinary Medicine from 1986 to 2000, where she taught avian medicine and surgery to veterinary students and residents. While there, she developed the Avian, Exotic Animal and Wildlife Service in the Veterinary Teaching Hospital and an avian residency program leading to board certification in avian medicine through ABVP. This service was recognized for having the largest caseload of exotic animals at any American veterinary teaching hospital. She has a number of areas of concentration including avian nutrition, anatomy, fungal diseases, neuroanatomy and herbal medicine.\u00a0\u00a0She consults for the Lafeber Company as needed. Dr. Orosz\u00a0is past president of the Association of Avian Veterinarians (AAV),\u00a0 has been a scientific editor for the\u00a0Journal of Avian\u00a0Medicine and Surgery and a recipient of the Dr. T.J. Lafeber Avian Practitioner of the Year award.\u00a0 She\u00a0is owner of Bird and Exotic Pet Wellness Center, an exclusively exotics veterinary hospital in Toledo, Ohio.","sameAs":["http:\/\/lafeber.com\/pet-birds\/about-susan-orosz\/"],"url":"https:\/\/lafeber.com\/pet-birds\/author\/susan\/"}]}},"_links":{"self":[{"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/posts\/14547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/comments?post=14547"}],"version-history":[{"count":2,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/posts\/14547\/revisions"}],"predecessor-version":[{"id":44424,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/posts\/14547\/revisions\/44424"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/media\/44422"}],"wp:attachment":[{"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/media?parent=14547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/categories?post=14547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lafeber.com\/pet-birds\/wp-json\/wp\/v2\/tags?post=14547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}