Experts argue that the population increase in rodents is because of warmer climates, urbanization and recent legislation.

The invasive marshland rodent is wreaking havoc but California residents can do their part by catching and eating them, the U.S. Fish and Wildlife Service says.

Despite statewide restrictions on the deadly poisons, new research shows they’re still infiltrating the food web.

The U.S. Department of Agriculture (USDA) confirmed H5N1 bird flu in four black rats in Riverside County, California, this week. The rats were discovered in late January near two recently affected ...

Rats in Riverside County are the latest mammal species to be infected with H5N1 bird flu Identification of virus in rats raises concerns about potential infection pathways to people and their pets ...

The recent USDA report about four black rats testing positive for bird flu in Riverside County, Calif., has raised questions ...