White Terns, also known as Angel Terns, Fairy Terns, White Noddies, or Manu-o-Kū in Hawaii, are all-white birds with black bills, black feet, and black "eyeliner" surrounding their eyes.

Illuminated by blue and UV light, the birds’ white and bright yellow plumage broadcasts colors that may be used in territorial disputes or for finding mates, according to the study.

While some hummingbirds are residents of California all year, others may only be seen for certain periods of time, if you're ...

Found in the forests of Papua New Guinea, Indonesia, and Eastern Australia, birds of paradise are famous for flashy feathers ...