Melodies of Singing Birds: Result of a Rare Evolutionary Event

Over millions of years, sound production was taken over by the syrinx, possibly because the syrinx was much better in producing varieties of sounds.

Extreme climate shifts may have helped drive reptile evolution

Why Did The Passenger Pigeon Go Extinct? The Answer Might Lie In

Altaria (Pokémon) - Bulbapedia, the community-driven Pokémon

birds shrink but grow longer wings in sign of global

Pelicans, murres and whales are feasting off-shore on huge anchovy

What did dinosaurs sound like?

These songbirds sing for hours a day to keep their vocal muscles

Hybrids: Evolution in action?

Genome study reveals 30 years of Darwin's finch evolution

9 Days, 527 Birds, 55 Species - The New York Times

A Wealth of Knowledge from an Everyday Bird

Learning about birds from their genomes