Most carnivores have teeth to grasp and eat prey, so marine animals with teeth are not uncommon. Sharks, dolphins, eels, ...

With plenty of artificial nectar available, Anna’s hummingbirds have expanded their range northward and their beaks have ...

In just about 20 years, the beaks of Anna’s hummingbird became longer and more tapered, according to a new study published in ...

Stomp dancing, head jerking, chattering, and skimming create swirling water patterns that direct brine shrimp and small ...

When picturing a flock of flamingos, we often imagine long pink legs planted in a shallow lake and heads submerged as they filter feed. Though it looks peaceful, there’s a lot going on beneath the ...

Anna's hummingbirds evolved longer, slimmer beaks in just generations due to backyard feeders, suggests a new study by a ...

A new study details the evolutionary change of Anna's Hummingbirds, finding their beaks have grown longer and more tapered to ...

Bird beaks come in almost every shape and size ... It is rare to find rules in biology that apply across all species. But when a rule is found, it can help to detect patterns in nature.

Our team previously discovered a new rule of biology that explains the shape and growth of many pointed structures, including teeth, horns, hooves, shells and, of course, beaks. This simple ...

Until now, that mechanism was believed to serve one main purpose: to get a lot of pollen onto the bird's beak. Recently, however, an international team of scientists began to wonder if there could ...

Case in point: in a new study published in the journal Current Biology, researchers found fossilized ... and teeth only at the tip of its beak,” says Jingmai O’Connor, associate curator ...