Tag: chemical pollution

yuma ridgeway's rail
January 13, 2023

TWS2022: Does selenium affect Yuma Ridgway’s rails?

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...

December 30, 2022

California condors consume rodenticide

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...

May 20, 2022

Coastal condors face risks from legacy chemicals

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...

May 13, 2022

Wild Cam: ‘Forever chemicals’ affect murre reproduction

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...