Infertility Challenges Amongst Endangered Wild Songbird Population ... estimate to date of infertility rates in a threatened wild animal ... Number of Fish Species at Risk of Extinction Fivefold ...
Biologists estimate that there should be 3,000 adult ferrets in the wild to successfully recover this endangered species. To protect and restore iconic grassland landscapes, World Wildlife Fund and ...
California wildlife policymakers have opted to protect the diminutive Western burrowing owl as they consider listing the rapidly declining species as endangered or threatened. The state Fish and ...