A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today ...

The fossilized skull of a bird called Vegavis, which lived in the Antarctic some 68.7 million years ago, confirms it was an early member of the waterfowl group. However, the skull also suggests ...

The new skull exhibits a long, pointed beak and a brain shape unique among all known birds previously discovered from the Mesozoic Era. The Late Cretaceous modern (crown) bird, Vegavis iaai, is diving ...

We recommend using your OS's package manager directly instead for improved security but the install script is by no means insecure. In addition to being a runnable CLI tool, D2 can also be used to ...

After the local anesthesia took effect, a skin incision was made, and the periosteum was removed to expose the skull seam. Head leveling was performed according to the bregma and lamda points. Based ...

In primate vision, the encoding of color perception arises from three types of retinal cone cells (L, M, and S cones). The inputs from these cones are linearly integrated into two cone-opponent ...