About Birds Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings.

Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can't fly.

May 5, 2021 · Every spring and fall, a spectacle unfolds in the night sky as millions of birds attempt long, perilous journeys between their summer breeding and wintering grounds.

May 17, 2021 · New research estimates there are between 50 billion and 430 billion birds on Earth.

Threats and conservation Despite their value to human and planetary health, vultures are among the most endangered birds in the world.

How this 800-year-old Chinese village is using the power of song

Chinstrap penguins may be cute, but get too close and your endearing perception of these birds may be tested, given their penchant for projectile pooping and beating each other up.

Jun 23, 2017 · From stretched wings to hidden beaks, see striking photographs of birds in their global habitats.

May 5, 2025 · How do birds remain immune? Another enduring mystery is how the birds protect themselves from the deadly toxin they carry.

Mar 4, 2025 · Before descending to their nighttime roosts, the birds put on one of nature’s most spectacular displays.