The dark and light blue regions seen on the model constitute the brainstem, which sit toward the back of a bird's neck and regulate ... bird's neuroanatomy was widely held until about 30 years ...

Flight: wings typically held straight out from body, head, and neck projecting forward ... preying on small- to medium-size birds and small mammals, hunting from perches under the canopy.

Hesperornis was a large flightless bird that swam in the oceans and snared fish with a tooth-lined beak. Its small wings were held close in ... slender neck gave Hesperornis a silhouette similar ...