The 10 ducklings and 10 goslings that found themselves orphaned in San Mateo and San Francisco are expected to stay for five to eight weeks at the center, located at 1450 Rollins Road, humane society officials said.
The week-old mallard ducklings were rescued after they fell into a storm drain near the Bank of America on El Camino Real in San Mateo.
The mother duck stayed in the area while her ducklings were trapped in the storm drain, but as rescue workers removed them, she left.
The humane society rescue officer stayed with the ducklings there for over an hour hoping that the mother would return, but then took them to the Center for Compassion so the ducklings would be safe from heavy traffic in that area.
At the center, the ducklings were kept in a warm incubator.
The two-week-old Canadian geese goslings were found near Baker Beach in San Francisco, and were separated from their mother while a dog was harassing them.
A citizen found them and brought them to San Francisco Animal Care and Control, which transferred them to the Peninsula Humane Society and SPCA.
The Peninsula group cares for sick, injured and orphaned wildlife from San Francisco to northern Santa Clara County and houses as many as 200 local wild animals at a time during its peak season from spring through late summer.
Every year, the group releases between 1,200 and 1,500 wild animals back into their natural habitats after rehabilitation, including owls, hawks, geese, ducks, songbirds, seabirds, and all of the area's types of mammals.