Two new studies add to the evidence that human activity, from fishing to urban development, is driving the evolution of wild ...

Urbanization has had visible morphological effects on chipmunks and voles in the Chicago metro area. While both chipmunks and ...

Chipmunks are members of the same family as squirrels. The small rodents spend most of their time aboveground, eating seeds, ...

When living things are faced with dramatic shifts in the world around them, they sometimes rapidly adapt to better survive.

In general, evolution is a long, slow process of tiny changes passed down over generations, resulting in new adaptations and ...

A new Field Museum study reveals that Chicago's chipmunks have grown larger with shorter teeth due to processed human food, ...

Urban wildlife is evolving right under our noses — and scientists have the skulls to prove it. By examining over a century’s ...

The auditory bullae is green. Dog Skull. Tympanic or auditory bullae in green. Inside a vertebrate skulls, including the dolphin, is an area referred to as the tympanic or auditory bullae. These ...

The stylohyal bone connects the larynx, the area where the ultrasound is generated, to the auditory bulla that is in turn connected to the cochlea. Veselka et al. 1 found by micro-computed ...

However the auditory bullae of the extinct Nimiokoala and Litokoala species are not as exaggerated as in the modern koala, according to team member UNSW Professor Mike Archer.

Evidence shows that Indohyus was at least in part an eater of vegetation and did not return to a watery life to hunt The racoon-sized mammal is distantly related to pigs, sheep and hippos, but has ...