Most animals are opportunistic feeders and eat whatever they can to survive. While some animals have adapted to eat nuts, ...

Aside from hawks being very big and hummingbirds being very small, these two birds exhibit other differences. Take their beaks, for example. A hawk’s beak is razor sharp and can tear the flesh ...

On the Galapagos Islands, a ground finch that usually munched on small, soft seeds was forced, during a drought, to eat harder, larger ones. Within the space of a few generations, the bird evolved ...

The seagull-sized bird had a beak and a brain much like modern birds, but the sharp teeth and powerful ... "The beaks of these primitive birds were very small and seem to have been evolving ...

Birds that need to tear meat often have a hook at the end of their bill. This sharp point helps ... you can find shallower triangle beaks on birds that eat relatively small seeds, like the ...

A small gray bird crouches in the sand at Barnegat Lighthouse State Park. Except for its bright orange beak, the American oystercatcher is difficult to spot among the sand and shells. It’s nesting ...

This small, but long-beaked ... is one of my favorite fossil birds, because it’s just so weird—it has this long skull, and teeth only at the tip of its beak,” Jingmai O’Connor, a study ...

What did the toothed ancient bird’s head look like? Sharp, curved teeth, filled its large jaws like its dino relatives. Only at the very tip of the snout does the beak become recognizable ...