What’s Up With Those Bright Blue Eggs?

It seems like birds would want to hide their eggs, but there are hundreds of species that lay blue to blue-green eggs. Thanks to some clever experiments, we’re finally starting to understand why birds might benefit from conspicuously colored eggs.

Hosted by: Michael Aranda

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
----------
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:

Kevin Bealer, Jacob, Katie Marie Magnone, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg, Lehel Kovacs, Bd_Tmprd
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:
https://doi.org/10.1086/685780
https://doi.org/10.1093/ps/85.3.546
https://doi.org/10.1086/694297
https://doi.org/10.1007/s00265-010-1107-9
https://doi.org/10.1525/auk.2009.09090
https://doi.org/10.1525/cond.2008.8634
https://doi.org/10.1007/s00265-005-0092-x
https://doi.org/10.1007/s00265-006-0315-9
https://doi.org/10.1111/j.2006.0908-8857.03915.x
http://en.cnki.com.cn/Article_en/CJFDTotal-XNND199404014.htm
https://www.allaboutbirds.org/news/the-beauty-and-biology-of-egg-color/
-------
Images:
https://www.istockphoto.com/
https://www.storyblocks.com/video
https://youtu.be/p7r_dQuQMgA
https://commons.wikimedia.org/wiki/File:Ficedula_hypoleuca_egg.JPG
https://youtu.be/4NZBreUdiOQ
https://commons.wikimedia.org/wiki/File:Black-headed_weaver_(Ploceus_cucullatus_bohndorffi)_male_nest_building.jpg
https://commons.wikimedia.org/wiki/File:Ploceus_cucullatus_MHNT_228_St_Gilles_La_R%C3%A9union.jpg