The feet of a bird tell us a lot about its life. Newly described, the fossil feet of the ancestors of modern birds reveal how superbly adapted they were to their world.

Clear evidence of webbing on one of the fossil bird's feet proves "conclusively" that these were aquatic birds and the most nearly modern of all ancient avian fossils, he said.

Three-toed fossil footprints that date back more than 210 million years were pressed into soft mud by bipedal reptiles with feet like a bird’s, a new analysis of the tracks has revealed.

Fossils recovered from Antarctica in the 1980s represent the oldest giant members of an extinct group of birds that patrolled the southern oceans with wingspans of up to 21 feet that would dwarf ...

The fossil only comprises the distal portion of a left tibiotarsus, a lower leg bone in birds analogous to the human tibia or shin bone. It belongs to a Phorusrhacid, an extinct bird.

The new fossil was discovered in 15 million-year-old rocks in Patagonia, located in Comallo, Argentina. The specimen includes a limb bone and a horse-sized, virtually complete, skull of a gigantic ...

National Enormous prehistoric birds with 20-foot wingspans ‘ruled’ Earth’s oceans, fossils show By Brooke Wolford Updated October 27, 2020 4:32 PM ...

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not. The ...

The fossil, an enormous leg bone found in the Tatacoa Desert, suggests that this bird stood over three meters tall, making it the largest known member of its kind to date.

Modern birds evolved from dinosaurs, but it’s not clear how well birds’ ancient dino ancestors could fly (SN: 10/28/16). Now, a look at the fossilized feet of one nonavian dinosaur suggests ...

(CNN) — Three-toed fossil footprints that date back more than 210 million years were pressed into soft mud by bipedal reptiles with feet like a bird’s, a new analysis of the tracks has revealed.