Tag: chemical pollution

In 1986, the Kesterson Reservoir in central California was closed due to selenium toxicity. Young waterbirds and fish had developed deformed wings, beaks, and eyes. The reservoir was protected within...

An analysis of liver tissue samples from dead California condors reveals that a large portion of the giant raptors have consumed carcasses that contain second generation anticoagulant rodenticides. These potentially...

Chemicals long-banned in the U.S. like DDT and PCBs continue to pose a risk to California condors, researchers found, as the critically endangered raptors feed on contaminated marine mammals along...

Hanging off cliffs a few hundred meters above Hudson Bay made for some great views. The deep blue of the water underneath contrasted with the white rock of the exposed...