The typical warblers are small insectivorous birds belonging to the genus Sylvia of the Old World warbler family Sylviidae. There are about 20 species in the genus.
These are active, constantly moving, warblers usually associated with fairly open woodland, hedges or shrubs.
This is one of the few Old World warbler groups in which many of the species show sexual dimorphism, with distinctive male and female plumages. Males of some species have black on the head.
Species breeding in temperate regions are usually strongly migratory, although some are resident.
Herpetofauna typical of this Section are the spotted frog, wood frog, Pacific treefrog, western toad, long-toed salamander, and the Pacific giant salamander.
Birds are typical of short-grass prairie or the drier portions of the Rocky Mountains.
Herpetofauna typical of this Section are the spotted frog, wood frog, Pacific treefrog, boreal toad, western toad, and long-toed salamander.