Australia’s Oldest Bird Footprints Discovered
Two thin-toed footprints pressed into a sandy riverbank more than 100 million years ago are Australia’s oldest known bird tracks, researchers say.
The prints were found among the fossil-rich cliffs of Dinosaur Cove on the coast of southern Victoria. Researchers think the tracks were left by a prehistoric bird species likely the size of a great egret or a small heron during the Early Cretaceous Period.
At that time, the world was warmer and the continents were arranged in different positions than they are today. The site of Dinosaur Cove was located in a floodplain in a great rift valley that formed as the supercontinent Gondwana started breaking apart, tearing Australia away from Antarctica.
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