There are five primary types (bottom row) of pigment-filled sacks, called melanosomes, within the nanostructure (left)` of iridescent feathers. Thick rods are found in birds with weak iridescent ...
The primary flight feathers on a bird’s wings are masterpieces of aerodynamics. Their shape and structure enable lift and ...
But there is one natural wonder that just about all of us can see, simply by stepping outside: dinosaurs using their feathers to fly. Birds are so common, even in the most paved-over places on ...
Ornithologist Carla Dove explains how the microscopic structure of a bird's feather can help identify the species and at the same time, make air travel safer for humans 5 Record-Breaking Bird ...
Using a telephoto lens to isolate the bird, Arthur framed his shot tightly. He captured the anhinga using its strong, dagger-shaped bill to secrete oil from its preen gland, spreading it onto its ...