Swing by the EcoCenter in Heron's Head Park (32 Jennings Street) for our Amateur Birding Hour on Friday afternoons from 2 to 3 p.m. With binoculars and bird guides provided by our EcoCEnter staff, check out the more than 100 species of birds that visit this park. For more information, call (415) 676-1394 or email ecocenterhhp@sfgov.org.