Chicago rodents have evolved with city life. Museum skulls reveal how urbanization is quietly reshaping wildlife.

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

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

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

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

One of the most-savored months of summer is on its last legs, and the frenzied Fourth of July break is already on the horizon ...

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 ...

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

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

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

The eastern chipmunk also qualifies as a one-of-a-kind species in a genus all its own, and it lives only in eastern North America.