As Africa's wildlife reserves have emptied of tourists and curtailed patrols, opportunistic poachers are storming parks and other protected areas.
The death of OR-54 in California has been called a "tragic development" by environmentalists.
The new rule would cement 2017 guidance that protects energy companies and other entities from being prosecuted for unintentionally killing birds.
Species are being wiped out at a terrifying rate. Ending the crisis requires swift global action.
Diego has had one very busy life, helping to save the Chelonoidis hoodensis from extinction.
The U.S. Fish and Wildlife Service and an environmental organization offered money in a bid to crack the tough case.
Experts estimate that fewer than 80 Sumatran rhinos remain on Earth, most of them in Indonesia.
An Amazon forest protest, record smog in India, and a rare endangered frog round out this week's best images.
The lawsuit comes one month after a legal challenge from environmental groups.
News of the deaths comes three years after nearly 150 tigers were removed from Tiger Temple over trafficking and abuse claims.