{"id":297170,"date":"2024-01-19T15:38:42","date_gmt":"2024-01-19T14:38:42","guid":{"rendered":"https:\/\/climatescience.press\/?p=297170"},"modified":"2024-01-19T15:38:45","modified_gmt":"2024-01-19T14:38:45","slug":"susan-crockford-failed-polar-bear-narrative-also-their-origin-evolution-tom-nelson-pod-187","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=297170","title":{"rendered":"Susan Crockford: Failed polar bear narrative; also their origin\/evolution | Tom Nelson Pod #187"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"402\" data-attachment-id=\"297171\" data-permalink=\"https:\/\/climatescience.press\/?attachment_id=297171\" data-orig-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?fit=1406%2C781&amp;ssl=1\" data-orig-size=\"1406,781\" 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=\"0Screenshot-2024-01-19-152844\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?fit=723%2C402&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?resize=723%2C402&#038;ssl=1\" alt=\"\" class=\"wp-image-297171\" srcset=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?resize=1024%2C569&amp;ssl=1 1024w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?resize=768%2C427&amp;ssl=1 768w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?resize=1200%2C667&amp;ssl=1 1200w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?w=1406&amp;ssl=1 1406w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.youtube.com\/@tomnelson2080\"><img decoding=\"async\" alt=\"\" width=\"40\" src=\"https:\/\/yt3.ggpht.com\/VdUj8z4BjtpU4ftJ3uRvBU9wY49bvOXdVnDtvzjP_3hw5HHJtEhpjNdHE3gAuZyxzWSfbeIP=s48-c-k-c0x00ffffff-no-rj\"><\/a><a href=\"https:\/\/www.youtube.com\/@tomnelson2080\">Tom Nelson<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scientist Susan Crockford has spent decades writing professional papers and books but has been blogging about polar bears for non-scientists since 2012.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Her books include <em><a href=\"https:\/\/www.amazon.com\/dp\/1778038328\">Polar Bear Evolution<\/a><\/em>: A Model for How New Species Arise, The Polar Bear Catastrophe That Never Happened, Sir David Attenborough and the Walrus Deception, Polar Bear Facts &amp; Myths (for kids), and (for fiction lovers) a polar bear attack thriller set in Newfoundland called EATEN.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">00:00 Introduction and Guest Presentation<br>00:32 Recent Developments in Polar Bear Research<br>01:31 Discrepancies in Polar Bear Population Reports<br>04:03 The Impact of Climate Change on Polar Bear Populations<br>05:08 Challenges in Polar Bear Population Management<br>05:38 Historical Perspective on Polar Bear Populations<br>08:07 The Politics of Polar Bear Research<br>10:13 The Role of Indigenous Knowledge in Polar Bear Research<br>13:46 The Consequences of Speaking Out in Polar Bear Research<br>23:35 Exploring Polar Bear Evolution<br>32:56 The Mystery of Animal Transformation<br>33:22 Debunking Genetic Mutation Theory<br>34:06 The Role of Thyroid Hormone in Animal Transformation<br>36:33 Understanding Hormonal Rhythms<br>38:27 The Hypothesis of Hormonal Selection<br>39:58 The Theory&#8217;s Reception and Testability<br>41:17 Challenges in Measuring Thyroid Hormone<br>41:39 Potential Testing Methods and Future Research<br>46:29 Exploring Polar Bear Evolution<br>01:00:34 The Role of Thyroid Hormone in Species Differentiation<br>01:03:30 The Process of Animal Domestication<br>01:07:14 Closing Remarks<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-rumble-com wp-block-embed-rumble-com\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Susan Crockford: Failed polar bear narrative; also their origin\/evolution | Tom Nelson Pod #187\" src=\"https:\/\/rumble.com\/embed\/v455rjb\/#?secret=rrxFGGyrwj\" data-secret=\"rrxFGGyrwj\" width=\"1920\" height=\"1080\" frameborder=\"0\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"723\" height=\"407\" src=\"https:\/\/www.youtube.com\/embed\/iQNGPvO36pg?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<a class=\"twitter-timeline\" data-width=\"723\" data-height=\"1000\" data-dnt=\"true\" href=\"https:\/\/twitter.com\/sjc_pbs?ref_src=twsrc%5Etfw\">Tweets by sjc_pbs<\/a><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><figcaption class=\"wp-element-caption\"><a href=\"http:\/\/polarbearscience.com\">http:\/\/polarbearscience.com<\/a><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Scientist Susan Crockford has spent decades writing professional papers and books but has been blogging about polar bears for non-scientists since 2012.<\/p>\n","protected":false},"author":121246920,"featured_media":297171,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":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":"Scientist Susan Crockford has spent decades writing professional papers and books but has been blogging about polar bears for non-scientists since 2012.","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},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691818056,691820505,691826400,691826401,691824466],"class_list":{"0":"post-297170","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-climate-change","9":"tag-polar-bear-evolution","10":"tag-polar-bear-populations","11":"tag-polar-bear-research","12":"tag-susan-crockford","14":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/01\/0Screenshot-2024-01-19-152844.png?fit=1406%2C781&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1fj4","jetpack-related-posts":[{"id":287347,"url":"https:\/\/climatescience.press\/?p=287347","url_meta":{"origin":297170,"position":0},"title":"Polar Bear Evolution pre-Christmas book sale: discounts on all formats!","author":"uwe.roland.gross","date":"11\/09\/2023","format":false,"excerpt":"This fascinating story finally brings together everything that scientists have learned about the origin of polar bears, in clear language that non-scientists will understand: not just\u00a0when and where\u00a0the species arose, but exactly\u00a0how\u00a0it happened and why the bears were able to survive repeated cycles of sea ice change, some of unimaginable\u2026","rel":"","context":"In \"book\"","block_context":{"text":"book","link":"https:\/\/climatescience.press\/?tag=book"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/11\/image-271.png?fit=840%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/11\/image-271.png?fit=840%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/11\/image-271.png?fit=840%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/11\/image-271.png?fit=840%2C1200&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":231883,"url":"https:\/\/climatescience.press\/?p=231883","url_meta":{"origin":297170,"position":1},"title":"A little help for a colleague?","author":"uwe.roland.gross","date":"12\/01\/2022","format":false,"excerpt":"My favorite bone whisperer, Dr. Susan Crockford, is writing a new book, which she describes as \u201cthe complete story of polar bear evolution, including the role of hybridization, but without the baffling scientific\u00a0jargon.\u201d","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/12\/image-4.png?fit=800%2C762&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/12\/image-4.png?fit=800%2C762&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/12\/image-4.png?fit=800%2C762&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/12\/image-4.png?fit=800%2C762&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":240000,"url":"https:\/\/climatescience.press\/?p=240000","url_meta":{"origin":297170,"position":2},"title":"Polar bear expert: Activist fact-checkers are misleading the public","author":"uwe.roland.gross","date":"01\/16\/2023","format":false,"excerpt":"Canadian zoologist Dr. Susan Crockford warns that some polar bear specialists are attempting to cast a smoke-screen over the growth of global polar bear numbers.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/01\/0polarbears456.jpg?fit=1200%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/01\/0polarbears456.jpg?fit=1200%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/01\/0polarbears456.jpg?fit=1200%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/01\/0polarbears456.jpg?fit=1200%2C750&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/01\/0polarbears456.jpg?fit=1200%2C750&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":261713,"url":"https:\/\/climatescience.press\/?p=261713","url_meta":{"origin":297170,"position":3},"title":"How grizzlies evolved into polar bears: The first book to tell the whole story is now available","author":"uwe.roland.gross","date":"06\/12\/2023","format":false,"excerpt":"Polar Bear Evolution: A Model for How New Species Arise\u00a0is the fascinating story of the origin of polar bears. It reveals not just\u00a0when and where\u00a0the species came to be, but\u00a0how\u00a0it happened and\u00a0why\u00a0the bears were able to survive repeated cycles of sea ice change, some of unimaginable severity.","rel":"","context":"In \"Grizzlies\"","block_context":{"text":"Grizzlies","link":"https:\/\/climatescience.press\/?tag=grizzlies"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/06\/00polar-bears.jpeg?fit=1200%2C762&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/06\/00polar-bears.jpeg?fit=1200%2C762&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/06\/00polar-bears.jpeg?fit=1200%2C762&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/06\/00polar-bears.jpeg?fit=1200%2C762&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/06\/00polar-bears.jpeg?fit=1200%2C762&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":356693,"url":"https:\/\/climatescience.press\/?p=356693","url_meta":{"origin":297170,"position":4},"title":"More Polar Bear Propaganda from the\u00a0BBC","author":"uwe.roland.gross","date":"12\/21\/2024","format":false,"excerpt":"The BBC has been running its annual \u201cPolar Bears Are All Going to Die\u201d propaganda again","rel":"","context":"In \"BBC\"","block_context":{"text":"BBC","link":"https:\/\/climatescience.press\/?tag=bbc"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/12\/08-polar-bear-eyes-2048x2048-1.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/12\/08-polar-bear-eyes-2048x2048-1.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/12\/08-polar-bear-eyes-2048x2048-1.jpg?fit=1200%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/12\/08-polar-bear-eyes-2048x2048-1.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/12\/08-polar-bear-eyes-2048x2048-1.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":424842,"url":"https:\/\/climatescience.press\/?p=424842","url_meta":{"origin":297170,"position":5},"title":"True, Mother Jones, Polar Bears Are More Adaptable Than Alarmists Have Claimed","author":"uwe.roland.gross","date":"02\/06\/2026","format":false,"excerpt":"A recent article at Mother Jones, \u201cSomething Unexpected Is Happening With Norway\u2019s Polar Bears,\u201d expresses surprise that polar bear populations in Norway are actually getting healthier amid declining sea ice. This is true, though it is not truly \u201cnews,\u201d in the sense of something newly discovered, and should not have\u2026","rel":"","context":"In \"climate alarmist websites\"","block_context":{"text":"climate alarmist websites","link":"https:\/\/climatescience.press\/?tag=climate-alarmist-websites"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/AQMQrIsPDyecP2Z7WTKer5dSMLhG0hc159K1OOi4wI7h8MJ4wOAA24-rP-zkWdrJchi-XvWaq86ElbcLcCsUjXaRQkevfcuO15rJRFUOTNYgCxjj_A_xSDNkZBHNGxLc.jpeg?fit=1200%2C793&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/AQMQrIsPDyecP2Z7WTKer5dSMLhG0hc159K1OOi4wI7h8MJ4wOAA24-rP-zkWdrJchi-XvWaq86ElbcLcCsUjXaRQkevfcuO15rJRFUOTNYgCxjj_A_xSDNkZBHNGxLc.jpeg?fit=1200%2C793&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/AQMQrIsPDyecP2Z7WTKer5dSMLhG0hc159K1OOi4wI7h8MJ4wOAA24-rP-zkWdrJchi-XvWaq86ElbcLcCsUjXaRQkevfcuO15rJRFUOTNYgCxjj_A_xSDNkZBHNGxLc.jpeg?fit=1200%2C793&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/AQMQrIsPDyecP2Z7WTKer5dSMLhG0hc159K1OOi4wI7h8MJ4wOAA24-rP-zkWdrJchi-XvWaq86ElbcLcCsUjXaRQkevfcuO15rJRFUOTNYgCxjj_A_xSDNkZBHNGxLc.jpeg?fit=1200%2C793&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/AQMQrIsPDyecP2Z7WTKer5dSMLhG0hc159K1OOi4wI7h8MJ4wOAA24-rP-zkWdrJchi-XvWaq86ElbcLcCsUjXaRQkevfcuO15rJRFUOTNYgCxjj_A_xSDNkZBHNGxLc.jpeg?fit=1200%2C793&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/297170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/users\/121246920"}],"replies":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=297170"}],"version-history":[{"count":5,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/297170\/revisions"}],"predecessor-version":[{"id":297176,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/297170\/revisions\/297176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/media\/297171"}],"wp:attachment":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=297170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=297170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=297170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}