The newly described species plugs an important gap in penguin wing evolution because its shoulder ... hakataramea fossils ...

They determined that wing feathering is the main factor for generating thrust. Penguin wings, aka flippers, bear some resemblance to airplane wings covered with scaly feathers. To maximize ...

The Galapagos penguin is the only one found north of ... Penguins exhibit a flattening and stiffening of their wing bones and a reduction of their flight feathers into tiny structures that help ...