These songbirds sing for hours a day to keep their vocal muscles in shape Zebra finches who did not sing every day quickly lose their vocal prowess, a new study finds.

ADAM: Songbirds need to exercise their vocal muscles to produce top-performance song. If they don't sing, they lose performance. Their vocalizations get less attractive to females, and that's bad.

Protected Texas songbirds show up in pet stores abroad, thanks to trafficking industry Experts know that songbird trafficking is a big problem. How big, they’re only starting to understand.

Birds have evolved a unique tolerance for sour foods by rewiring a key taste receptor, reshaping their diets and ecosystems.

Songbirds are being snatched from Miami’s forests. Law enforcement has discovered a thriving underground business of trapping songbirds around Miami—to become pets and to sing in competitions.