The three adorable mountain lion cubs named Fern, Thistle and Spruce were believed to have been orphaned after their mother was killed by a car.

Authorities believe their mother was hit and killed by a vehicle in the Portola Valley area of San Mateo County in the San Francisco Bay Area, zoo officials said. The mountain lion carcass has since vanished, so they can’t confirm her relationship to the cubs through DNA.

The Oakland Zoo last weekend rescued a trio of orphaned mountain lion cubs out of San Mateo County, according a news release Wednesday.

The zoo has closed its farmyard and outdoor aviary after a deceased Cotton Patch goose was found to have bird flu.

Beardsley Zoo in Bridgeport said it has detected a possible case of bird flu in a goose at the facility. Preliminary results of tests run on a deceased Cotton Patch goose Tuesday came back positive for avian flu,

A case of bird flu has been detected at the Beardsley Zoo in Bridgeport, according to zoo officials. The Highly Pathogenic Avian Flu (HPAI) was confirmed in a Cotton Patch goose that was found on zoo grounds.