A Santa Clara County resident has become the first human case of West Nile virus in the area this season; authorities urge community vigilance against the mosquito-borne illness.

Six percent shrinkage in San Mateo's agricultural industry attributed to drought reveals a sobering impact on the county.

As West Nile virus-positive mosquitoes are found in San Jose and Milpitas, truck-mounted insecticide treatments are unleashed to combat the dangerous insects.

Meet Professor Truffles, an adorable 150-pound potbellied pig seeking a new home in San Mateo, California.

West Nile virus has been detected in Palo Alto and Stanford, prompting an emergency mosquito control treatment. Find out what you need to know to protect yourself and your family.

Bye-bye BART goats - it's the sheep's turn to shine as they step up for fire hazard management around BART property in California.

A young mountain lion was found dead near the North Coyote Valley Conservation Area in South San Jose, emphasizing the need for increased wildlife conservation measures and crossing structures.

A dog's daring pursuit of a squirrel in Pleasanton results in a dramatic rescue as the police, fire department, and animal service officer unite to save the day.

A mischievous sea otter has captured the attention of locals and surfers alike in Santa Cruz after repeatedly swiping surfboards and evading capture.

An elusive pod of Cuvier's beaked whales made an astonishing rare appearance in Monterey Bay, leaving scientists and bystanders in awe of these deep diving wonders.

The tragic story of Tuffy, the Bay Area hawk adopted by a family of bald eagles, comes to a heartbreaking end as troubling events unfolded in the nest above.

An almost extinct species, the Santa Cruz kangaroo rat, critical to the local ecosystem, has recently been rediscovered in the Sierra Azul Open Space after more than 75 years, leaving researchers hopeful for the species' future.

Family of Palo Alto embark on sailboat voyage only to be attacked by a pod of orcas in the Gulf of Gibraltar, leaving them stranded and needing rescue.