Unlike birds whose plumage is mostly blue, the green coloring of a green bird’s feathers is primarily a combination of pigment and structure, not just a trick of the light. These birds’ emerald green, ...

Bright orange and olive green sounds gaudy, but the yellow-billed kingfisher manages to pull it off. In Australia these birds are only found on Cape York Peninsula, where they feed on insects, ...

Earlier this year, New Zealanders voted for the kea as their favourite bird, a cheeky olive-green parrot. Aussies have opted for a bird that's the enemy of cyclists, walkers and children everywhere.