Area of Focus: Small Mammals

August 29, 2023

Rising seas push out specialized rat species in Florida Keys

As sea levels continue to rise in the Lower Keys, silver rice rats may run out of habitat

August 17, 2023

Implant under way to improve koala vaccines

The method is being designed to replace the current two-shot approach

August 15, 2023

Border wall will let wildlife pass

A settlement requires openings for animals to move between the U.S. and Mexico

July 14, 2023

Vancouver Island marmots on road to recovery

Canada’s rarest mammal is returning thanks to captive breeding and reintroduction

June 22, 2023

TWS2022: Ferrets return to Standing Rock Sioux Reservation

The Standing Rock Sioux worked with the U.S. Fish and Wildlife Service to reintroduce the endangered species to parts of the reservation

June 20, 2023

Lack of genetic diversity may put Channel Island foxes at risk

The foxes have come back from the brink of extinction, but their genetic diversity remains low

May 30, 2023

Climate change may throw off Arctic squirrel mating 

Females are emerging earlier in the spring

May 8, 2023

For high-elevation squirrels, climate alone won’t decide their future

A variety of conditions affect how species might respond to environmental change due to differences in their ecological niches

May 1, 2023

Beavers may help improve endangered desert fish habitat

Translocated beavers can improve the riparian ecosystem, even in arid areas of Utah

April 28, 2023

Watch: Recovering the black-footed ferret

Efforts are underway to recover this species from the brink of extinction