Reports to the Northern California BirdBox, transcribed for BirdWest by Calvin Lou.
ALAMEDA COUNTY
23 April In Alameda at the Elsie Roemer Bird Sanctuary (Shoreline Dr at the foot of Broadway), a Black Skimmer was resting on a mudflat. Six Least Terns were on a spit on the pond on the bay side of Harbor Way Pkwy, beyond the airport runway. Jean Richmond
CONTRA COSTA COUNTY
17 April In the Pine Canyon area of Mount Diablo, A Mt Diablo Audubon Society field trip produced 62 species. Highlights included 2 Calliope Hummingbirds seen near the intersection of Stage Road and Shell Ridge Loop Trail in Diablo Foothills Regional Park, south of Castle Rock Rd from Walnut Creek. From the end of the road, walk 0.65 mile on Stage Road to the Shell Ridge Loop Trail. The birds were at the flowering black sage, 50 to 75 yards up this trail. Hugh Harvey