Almost two months after invasive zebra mussels were discovered in imported “moss balls” (actually algae) in a Seattle PetCo store, federal and state agencies are still trying to track the Trojan moss balls and keep the mussels out of vulnerable water bodies, including California’s. So far, contaminated moss balls have been found in 46 states (Virginia, Delaware, Rhode Island, and Hawaii are the exceptions) and most of Canada’s provinces. The US Fish & Wildlife Service has issued detailed guidance for...Read More
Northern harriers, long-winged rodent-hunting hawks, make impressive migrant journeys. Research by UC Davis’ Hull Lab sheds new light on these journeys. Harriers are a familiar sight in California’s wetlands, especially in winter. Researchers captured fifteen female harriers–ten in winter, five in spring–in Suisun Marsh and equipped with 14-gram GPS backpack transmitters, too heavy for use with the smaller males. Telemetry data from seven of the ten winter females revealed migrations of up to 600 miles, to nesting sites from the...Read More
The San Francisco Bay-Delta is named in the federal Clean Water Act as one of 28 “estuaries of national significance." For over 20 years, the San Francisco Estuary Partnership has worked together with local communities and federal and state agencies to improve the health of California’s most urbanized estuary.
San Francisco Estuary Partnership 1515 Clay Street, Suite 1400 Oakland, CA 94612 (510) 622-2304