Males are all dark, glossy blue-black; females and immatures duller above and grayish below. The purple martin is an extremely popular and well-known bird due to its willingness to nest in ...

The bird’s flight is strong and steady, with wings rarely flexed above horizontal. Polytypic. Length 11.5". A nearly unmistakable dark blue, black-crested jay with variable white or blue ...

The Oriental Dwarf Kingfisher, known as the 'jewel of Indian rainforests,' is a stunning and elusive bird found in the ...

Thus, the bird's brain was thought to be nearly all instinct driven. The dark and light blue regions seen on the model constitute the brainstem, which sit toward the back of a bird's neck and ...