ML645911782

觀察細節

Photos, 8 adults and 1 immature. Low flyover group giving occasional soft honks, higher pitched than Trumpeter. Came from open bay past the bulb to Pt. Isabel. Followed the shoreline N from there, circling around Vincent Park then back to Meeker Slough. Flew over the Albany mudflats and Cesar Chavez, then turned more W towards Treasure Island. Landed back on the water in line with Alcatraz from the western edge of the bulb.