The cleaning up of a colony of rats on the Whitney Pier Tim Hortons property has made it worse for neighbouring residents.

The Tulsa Zoo has a colony of nearly 30 naked mole rats. Despite their name, these mammals are more closely related to ...

Several dozen rats live together in colonies led by one dominant rat—the queen. As in some insect species, the queen is the only naked mole rat female to breed and bear young. Worker animals dig ...

The Tulsa Zoo has a colony of nearly 30 naked mole rats. The mammals are native to Africa and live almost entirely underground. The zoo has created a similar environment in the WildLife Trek Life ...

"Rats are territorial and live in hierarchical societies, thus migrants may not be accepted into established colonies which would limit (but not preclude) mating opportunities, and may also limit ...

Rats are territorial, so Auerbach doesn't think it's likely more than one colony occupies a city lot. If each colony has 40 to 50 rats, a number he calls generous, that would mean approximately ...