Just the right size for their main predator — the great black ... colorful beak is continually growing and then getting worn down through use. Puffin beaks (and feet) turn bright orange every ...

The zebra finch bird is soft gray, with red eyes, "tear drop" markings (small black lines running straight down under each eye), and bright orange legs and beak. The male zebra finch has a deeper ...

Some of these vibrant beaks help birds stand out in dense tropical ... Its oversized bill glows with fiery orange, fading into black at the tip. Though it may look heavy, it’s made of keratin ...

Puffins are widely regarded as the cutest birds on Earth. With their black and white plumage and large orange beaks, Atlantic puffins and their cousins may look like a clownish cross between a ...

The male is all black with a bright orange beak and eye ring. The female is all dark brown. It is a ground feeding bird often seen rooting up leaf litter looking for grubs and worms. The nest is ...

As soon as Jamie Dunning flipped on the black light in his lab ... Until then, it's unknown why the birds' beaks glow orange. People don't really think about the importance of light in the ...

Blackbirds have similar beaks, a likeness the cranky Maryland colonist would surely have noticed. Maybe the contrarian colonist watched the bird ... orange undersides, shimmering black hoods ...

Beak deformities ... But black-capped chickadees are by far the most common. While the wildlife biologists continue their research, they're asking citizens to lend a hand. Since the birds are ...

Some of these vibrant beaks help birds stand out in dense tropical ... Its oversized bill glows with fiery orange, fading into black at the tip. Though it may look heavy, it’s made of keratin ...