Every once in a while, a genetic anomaly will occur in the animal world that blows scientists’ minds. Take, for example, the exotic bird in the image above. It’s “gynandromorphic,” which means a ...

In Rector, Pa., researchers have spotted one strange bird. This rose-breasted grosbeak has a pink breast spot and a pink “wing pit” and black feathers on its right wing — telltale shades of males. But ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A zoologist from the University of Otago in New Zealand spotted a ...

A green honeycreeper spotted on a farm in Colombia exhibits a rare biological phenomenon known as bilateral gynandromorphism. By Emily Anthes Colombia is a bird watcher’s paradise. Its stunningly ...

Avian researchers in western Pennsylvania are celebrating the recent discovery of a rose-breasted grosbeak with male and female traits, a rare instance they likened to "seeing a unicorn." The ...

A striking and extremely rare half female, half male bird has been spotted by a University of Otago zoologist. Sesquicentennial Distinguished Professor Hamish Spencer was holidaying in Colombia when ...

In a forest of Colombia, a multi-colored bird waited its turn to approach the bird feeder. When it finally came close, the onlooking scientists were stunned. On its left side, the green honeycreeper ...

Look at this fancy little gentlethem! The bird whose eye-catching color story you are currently jealous of is a green honeycreeper (10/10 on that name, honestly). But this isn’t just any green ...

Editor's note: Jamie Hill was misidentified in a previous version of this story. Longtime birder Jamie Hill of Waterford knew he'd come across something rare when he saw the northern cardinal that ...

For unfamiliarity among common birds in our area, the northern flicker must surely take the prize. Flickers are abundant at this time of year, but judging from the questions I get about birds, many ...

Kevin Omland is a professor of Biological Sciences at the University of Maryland, Baltimore County. Evangeline Rose is a postdoctoral research associate at the University of Maryland. Karan Odom is a ...