Cities are strange ecosystems. For most creatures, they’re harsh, unforgiving places. But some have managed to not just survive, but even thrive in urban environments. That said, even those that ...

Where do birds get their red feathers from? According to a new article, the red carotenoids that give the common crossbill its red coloration are produced in the liver, not the skin, as previously ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Parrots, toucans, and other brightly colored tropical birds are ...

Recent studies show that certain feather pigments can help neutralize toxic pollution. It means darker, duller birds could have a survival advantage. By Marta Zaraska Some popular city dwellers appear ...