Bears Have Babies While They’re Hibernating

Bears forgo many activities to conserve their energy in the winter when food is scarce, including eating, peeing, and pooping. There is one thing that they specifically DO do during the winter, though: give birth! But, giving birth during the harshest possible time of year seems like kind of a bad idea, so why do they do it?Hosted by: Hank GreenSciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ----------Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow----------Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:Bryan Cloer, Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Sam Lutfi, Alisa Sherbow, Jason A Saslow, Dr. Melvin Sanicas, Melida Williams, Tom Mosner----------Looking for SciShow elsewhere on the internet?SciShow Tangents Podcast: http://www.scishowtangents.orgFacebook: http://www.facebook.com/scishowTwitter: http://www.twitter.com/scishowInstagram: http://instagram.com/thescishow----------Sources:https://www.nps.gov/yell/learn/nature/denning.htmhttps://academic.oup.com/jmammal/article/93/6/1493/912716http://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=296https://bmcphysiol.biomedcentral.com/articles/10.1186/1472-6793-11-13https://daily.jstor.org/how-to-be-the-fattest-bear/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4079694/https://academic.oup.com/jmammal/article/93/2/540/924692https://polarbearsinternational.org/polar-bears/life-cycle/https://academic.oup.com/jmammal/article/93/6/1493/912716https://www.sciencedirect.com/science/article/pii/030096298190https://www.nature.com/articles/srep40732https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5486538/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7251182/https://www.sciencedirect.com/science/article/pii/S0085253815557360https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2907.2007.00096.xImages:https://www.istockphoto.com/photo/funny-black-bear-sleepng-in-bed-gm930281710-255065323https://www.istockphoto.com/photo/brown-bear-with-two-cubs-looks-out-of-its-den-in-the-woods-under-a-large-rock-in-gm1312044246-400963085https://www.istockphoto.com/photo/sleeping-grizzly-bear-brown-fur-tired-fluffy-gm689337860-126997655https://www.istockphoto.com/photo/sleeping-bear-gm502898614-82204353https://www.istockphoto.com/photo/alaska-peninsula-brown-bear-female-cub-nursing-ursus-arctros-at-hallo-bay-katmai-gm1278341833-377309957https://www.istockphoto.com/photo/brown-bears-in-the-wild-gm636170212-112704403https://www.istockphoto.com/photo/mother-bear-feeding-three-bears-gm168380700-20898180https://www.istockphoto.com/vector/polar-bear-wood-engraving-published-in-1893-gm1295505577-389213436https://www.storyblocks.com/video/stock/bear-cubs-and-mother-walking-through-snowy-wilderness-t6tju8hhttps://www.storyblocks.com/video/stock/mountain-caucasian-ground-squirrel-or-elbrus-ground-squirrel-spermophilus-musicus-is-a-rodent-of-the-genus-of-ground-squirrels-hhyv9m5gyktft18x6