Swainson's Hawk Buteo swainsoni
Common spring migrant, March-April, in Desert region, Rare spring migrant in Lowlands region. Rare fall migrant, September through October, in same regions.
Habitat: Grasslands, ranches, fields.
Best locations: Borrego Springs.
Note: Local birders set up hawk watch stations daily in Borrego Springs during spring migration. www.borregohawkwatch.blogspot.com