This trip would get chilly, and he lacked feathers.

Besides, it lacked feathers.

Rare fossilized skin impressions of some Late Cretaceous tyrannosaurids lack feathers, however, instead showing either naked skin or skin covered in scales.

The adult specimen of Epidexipteryx lacked preserved feathers around the forelimbs, but preserved simple feathers on the body and long, ribbon-like feathers on the tail.

In his 1923 memoir, "The Worst Journey in the World," Mr. Cherry-Garrard recounted the discovery that if emperor penguins had to begin breeding in springtime like the Adelies, their chicks would still be immature and lacking sufficient feathers and body fat by the time winter set in.

Due to reptiles lacking feathers or fur, reptiles are used as pets by people with allergies.

The latter name was given to the population which lacked white feathers except for the tail and supposedly was resident all year in Korea.

The newly born young are altricial, either lacking feathers or with sparse white down.

The Velociraptor is larger than its real life counterpart and lacks feathers.

Some parts of the impressions revealed wrinkled skin, interpreted as lacking scales or feathers.