Sour foods are often avoided by mammals, but many birds regularly feed on highly acidic fruits. Evolution has provided them with a clever strategy to eat extremely acidic fruit.

To the point Birds like sour tastes: Sour foods are often avoided by mammals, but many birds regularly feed on highly acidic fruits. Evolution of sour tolerance: A new study shows that birds' sour ...

KUNMING -- Chinese researchers have decoded the molecular mechanism behind birds' ability to tolerate highly acidic foods, a trait that has long puzzled scientists. Published in the journal ...