TIL: Blue-footed Boobies make "nests" on the ground by encircling their eggs with a ring of poop. If one of the baby boobies steps out of the poop ring the mama booby will no longer recognize it and will fight it off when it tries to come back in.

http://blog.audubonguides.com/2012/06/11/aves-non-grata-the-blue-footed-booby/



Submitted February 16, 2015 at 06:42AM by MC_Billin http://www.reddit.com/r/todayilearned/comments/2w10wi/til_bluefooted_boobies_make_nests_on_the_ground/