NSAS’s April Field Trip to Mount Diablo’s Mitchell Canyon, Thursday, April 23rd at 8:00 a.m. – with Bruce Thomsen & Mark Stephenson
This is the perfect time of year to view Mt. Diablo’s Migrants and Resident Birds. Deer Flat Creek is flowing from Spring showers and the canyon is resounding with bird song. Resident Anna’s and migrating Calliope Hummingbirds are feeding on spring flowers and males can be heard zipping down from hundreds of feet up in […]