The purple martin is an extremely popular and well-known bird due ... all glossy blue-black above and below, wings and tail dusky black, distinctly notched tail. In hand, small concealed white ...

The dark and light blue regions seen on the model constitute ... Studies of brain chemicals and neural connections have shown that most of a bird's small brain (notice it shown to scale) consists ...

Off in the distances I can hear the familiar scream-like call of a blue jay. The sound pierces through the yellow and orange autumn maple leaves on a crisp blue sky day. I sit enjoying the sunshine, ...