Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ...
Birds-of-paradise have some of the most famous mating displays in the world, but there's more to their colorful rhythmic ...
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 ...