In what seems like an inefficient use of resources, these penguins always lay two eggs, but then ignore, discard, or just straight-up destroy the first one. What gives, penguins? Hosted by: Hank Green SciShow is on TikTok! Check us out at www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: 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: scishow-tangents.simplecast.com/ Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Instagram: instagram.com/thescishow #SciShow #science #education ---------- Sources: journals.plos.org/plosone/article?id=10.1371/journal.pone.0275106 www.eurekalert.org/news-releases/966785 Images: www.inaturalist.org/observations/78822072 www.inaturalist.org/observations/78700704 www.eurekalert.org/multimedia/960308 commons.wikimedia.org/wiki/File:Eudyptes_sclateri_distribution_(nesting).png www.gettyimages.com/detail/video/vintage-audio-tape-with-a-blank-label-spinning-in-stock-footage/1393574883?phrase=1990s&adppopup=true www.eurekalert.org/multimedia/960307 commons.wikimedia.org/wiki/File:Gorfou_sauteur_-_Rockhopper_Penguin.jpg commons.wikimedia.org/wiki/File:Falkland_Islands_Penguins_88.jpg commons.wikimedia.org/wiki/File:Antipodes_Penguin.JPG www.gettyimages.com/detail/photo/erect-crested-penguin-eudyptes-sclateri-royalty-free-image/1436893651?phrase=Erect-crested%20penguin&adppopup=true www.inaturalist.org/observations/78695043 www.inaturalist.org/observations/78700707 www.gettyimages.com/detail/photo/erect-crested-penguin-eudyptes-sclateri-royalty-free-image/1436893709?phrase=Erect-crested%20penguin&adppopup=true commons.wikimedia.org/wiki/File:Bounty_Islands_Sub-Antarctic_New_Zealand_Panorama_1.jpg www.inaturalist.org/observations/78819746 commons.wikimedia.org/wiki/File:Eudyptes_sclateri_1199915.jpg commons.wikimedia.org/wiki/File:Eudyptes_sclateri_129036208.jpg www.inaturalist.org/observations/106136113 commons.wikimedia.org/wiki/File:Eudyptes_sclateri_13494624.jpg www.inaturalist.org/observations/78700699