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 ...

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 ...

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.

The findings of a new study "clearly show that interfering with the environment has a detectable effect on wildlife," a co-author of the study said.

Voles, on the other hand, had smaller auditory bullae, bone structures associated with hearing. "We think this may relate to the city being loud—having these bones be smaller might help dampen ...

Voles, on the other hand, had smaller auditory bullae, bone structures associated with hearing. “We think this may relate to the city being loud— having these bones be smaller might help ...