The Egg Collection at the Field Museum of Natural History (12:13) video biology zoology ornithology birds oology eggs 3 votes
Rare half-male, half-female cardinal spotted in Pennsylvania (629 words) biology genetics birds ornithology chimeras 16 votes
DNA Testing Reveals Baffling Bird Is Three Species in One (675 words) biology genetics birds ornithology hybrids 18 votes
A Mandarin Duck Mysteriously Appears in Central Park, to Birders’ Delight (923 words, Oct 31 2018) usa.ny biology birds ducks 8 votes
An optical illusion that resembles "looming googly eyes" scares some types of birds, and is being used to keep them away from an airport (885 words) animal science study birds airport safety 12 votes
Dinosaur Killing Asteroid Also Killed Most Bird Species Due To Global Deforestation (639 words) evolution birds asteroid extinction 6 votes