While visiting Steep Ravine @ Mt. Tamalpais State Park Mon 05/27/19 - Thu 05/30/19, we discovered a pair of Black Oystercatchers nesting and displaying territorial hostility towards other birds. The aerial war games and piercing shrieks were fascinating and fun to witness.


Rocky Point, California 94970
37°52'54.6"N 122°37'43.2"W
37.881836, -122.628659