The smallest can weigh less than two grams ... For a study of male Cuba’s bee hummingbirds’ mating displays, scientists captured the birds to get body weight and wing measurements (above).

The speckled padloper tortoise is the world's smallest tortoise. It is characterized by a flattened shell with slightly serrated edges. The orange-brown shell is peppered in black spots, and it has ...

Weebill, with short, stubby, and pale beak, is one of world's smallest birds. It can grow up to 8-9 cm long and weighs around 6 grams ...

When it comes to tall birds, your mind probably jumps to the ostrich – or maybe the magnificent chonk that is Pesto the king ...

The largest is the nine-foot-tall ostrich. The smallest is the two-inch-long bee hummingbird. Everything about the anatomy of a bird reflects its ability to fly. The wings, for example ...

Tiny radar chips are being fitted to bees to track their movements. A team at The University of Oxford have been ...

He said in some years small flocks of Bee-eaters are seen but in other springs they are "incredibly scarce" - adding this the only one reported in Britain at the moment. He said: "There are bird ...

Hiking through the dense rainforest of Madagascar, scientists heard a series of “otherworldly” sounds. The “somewhat bizarre” ...

Though it might be tempting to try to pet it, remember it’s about four times bigger than a house cat and a whole lot wilder.

A new study finds that 1 billion birds are killed annually in the U.S. in window collisions. But small changes by homeowners ...