Area of Focus: Species Taxon

South African ungulates introduced decades ago have expanded exponentially in Chihuahuan Desert

But scientists warn against using them due to unforeseen ecological consequences

Their diversity and overall numbers climbed after a 2016 wildfire

About 43,700 animals total have died within eight kilometers of waterways where chemicals spilled

When reptiles are lost on islands, so are their ecosystem services

Wildlife Services worked to remove beaver dams to improve habitats for massive coaster brook trout

GPS-collared male and female tigers responded differently to the lockdown

Female sloth bears may sometimes take risks to gain access to better resources

Biologists are monitoring an important California bighorn sheep population

Researchers examined dozens of studies to find the best strategies