Area of Focus: Mammals

South Dakota’s Custer State Park hosts some 1,500 bison

The ultrasound that flying mammals rely on could be masked by music

Mule deer had high stress hormone levels amid B.C. wildfires

Artificial bat roosts have downsides, but some tweaks can improve them

The designation adds flexibility for wildlife managers looking to mitigate human-wildlife conflict

As rabies declines in raccoons, it’s rising in bats

Chernobyl explosion isn’t the only source of cesium-137 in wildlife

Pack position and physical health also influenced cortisol levels

Arachnids can be an indicator of mercury pollution in bats, birds and amphibians

Researchers will test 58 species to monitor the potential for spillback to humans