Tag: rodenticide

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...

December 20, 2022

TWS2022: Fishers in northeast exposed to rodenticides

When researchers were studying fisher survival and reproduction in New York state using radio collars, they noticed individuals that were otherwise healthy had died from relatively minor injuries or failed...

March 24, 2022

JWM: Bobcats are the main predators of Pacific martens

Bobcats are the main predators of Pacific martens in northern California, according to research on the causes of death for the small weasels. Like spotted owls (Strix occidentalis), Pacific martens...

December 21, 2021

Plan to poison California island mice moves forward

A plan to poison invasive mice on the Farallon Islands National Wildlife Refuge has received approval from the California Coastal Commission. It now awaits a decision from the regional director...

April 21, 2021

Rat poison affecting eagles

Indications of rat poison appeared in the majority of eagles that researchers recently tested, raising concern about its effects on the species. In a study published in PLOS ONE, a...

January 22, 2018

Poisons from marijuana farms pose hazard to California owls

The poisons that California marijuana growers use to kill rodents are moving through the food web, recent research found, and may be negatively impacting threatened northern spotted owls (Strix occidentalis...