Vegetation surrounding the nest A. Canopy cover: Bay/Delta: Sibley (1951) lists the western bluebird as a savanna species, preferring grassy areas with a few clumped blue oaks in south San Francisco Co. Shuford (1993) also notes their preference for open grassy areas in Marin Co. Cosumnes River Preserve, Sacramento Co.: Seen in the oak savanna and along fences and power lines in adjacent agricultural fields (pers.
(Vegetation; surrounding; the nest A. Canopy cover) (Vegetation surrounding the nest A. Canopy cover: Bay/Delta: Sibley (1951); lists; the western bluebird; as a savanna species) (Marin Co. Cosumnes River Preserve, Sacramento Co.; Seen; L:in the oak savanna and along fences and power lines in adjacent agricultural fields)
Vegetation Vegetation surrounding the nest A. Canopy cover: Bay/Delta: Sibley (1951) Marin Co. Cosumnes River Preserve, Sacramento Co.
surrounding lists Seen
the nest A. Canopy cover
the western bluebird as a savanna species
L:in the oak savanna and along fences and power lines in adjacent agricultural fields