Why Do Animals Eat Their Own Babies?

Visit https://brilliant.org/scishow/ to get started learning STEM for free. The first 200 people will get 20% off their annual premium subscription and a 30-day free trial. It might seem pretty dark from a human point of view, but for some animals, feasting on your own offspring is the best way to ensure you and your other babies might have a more successful life. Hosted by: Hank Green (he/him) ---------- 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: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishowFacebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1689533/pdf/9881475.pdf https://academic.oup.com/beheco/article/19/6/1069/199231 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4768160/ https://www.cell.com/current-biology/fulltext/S0960-9822(18)30847-9 https://link.springer.com/article/10.1007/BF00303208 https://link.springer.com/article/10.1007/s10164-013-0373-1 https://academic.oup.com/beheco/article/16/6/1031/216318?login=false https://zslpublications.onlinelibrary.wiley.com/doi/abs/10.1111/jzo.12433 https://zslpublications.onlinelibrary.wiley.com/doi/abs/10.1111/jzo.12615 https://ag.purdue.edu/department/extension/hellbender/_docs/unger-genetic-cannibalism-hellbender.pdf https://link.springer.com/article/10.1007/s10164-014-0413-5?utm_source=getftr&utm_medium=getftr&utm_campaign=getftr_pilot https://pubmed.ncbi.nlm.nih.gov/24295914/ https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/hemolymph https://www.biotaxa.org/mn/article/view/45791 https://link.springer.com/article/10.1007/BF00300639 Image Sources: https://www.gettyimages.com/detail/video/mom-the-dog-looks-after-the-newborn-puppies-care-for-the-stock-footage/951657088?adppopup=true https://commons.wikimedia.org/wiki/File:FishEggs.jpg https://www.inaturalist.org/observations/29499261 https://www.inaturalist.org/observations/57744202 https://www.inaturalist.org/observations/40875440 https://www.gettyimages.com/detail/photo/swinhoes-tree-lizard-japalura-swinhonis-royalty-free-image/478987996 https://uk.inaturalist.org/observations/13861911 https://www.gettyimages.com/detail/photo/cute-lizard-face-lounging-skink-funny-royalty-free-image/607292072?phrase=Eutropis%20longicaudata&adppopup=true https://uk.inaturalist.org/observations/95375537 https://commons.wikimedia.org/wiki/File:Testosteron.svg https://www.gettyimages.com/detail/photo/empty-blood-vessel-artery-intestine-royalty-free-image/1206585782 https://www.gettyimages.com/detail/video/tropical-fish-living-at-colorful-coral-reef-stock-footage/1387484143 https://uk.inaturalist.org/observations/133816658 https://uk.inaturalist.org/observations/133816658 https://commons.wikimedia.org/wiki/File:Nicrophorus_vespilloides_Schwarzh%C3%B6rniger_Totengr%C3%A4ber.JPG https://uk.inaturalist.org/observations/92897277 https://www.gettyimages.com/detail/photo/the-living-fossil-japanese-giant-salamander-of-gifu-royalty-free-image/1067802776 https://www.gettyimages.com/detail/photo/the-living-fossil-japanese-giant-salamander-of-gifu-royalty-free-image/983732164 https://www.gettyimages.com/detail/video/japanese-giant-salamander-walking-along-the-bottom-of-a-stock-footage/1392658694 https://www.gettyimages.com/detail/photo/the-living-fossil-japanese-giant-salamander-of-gifu-royalty-free-image/1152004010 https://www.gettyimages.com/detail/photo/the-living-fossil-japanese-giant-salamander-of-gifu-royalty-free-image/940321092 https://uk.inaturalist.org/observations/145103893 https://uk.inaturalist.org/observations/135347785 https://commons.wikimedia.org/wiki/File:Contraction-of-the-Ventral-Abdomen-Potentiates-Extracardiac-Retrograde-Hemolymph-Propulsion-in-the-pone.0012943.s002.ogv https://uk.inaturalist.org/observations/39913382 https://uk.inaturalist.org/observations/135347785 https://uk.inaturalist.org/observations/75616573 https://blog.myrmecologicalnews.org/2019/02/06/vampirism-in-the-ant-proceratium-itoi/ https://www.gettyimages.com/detail/video/mabuya-skink-stock-footage/870173254