Any baby bird is called a chick. This is the generic term for a baby fowl.
It is called the Connecticut Warbler because the first specimen was collected in Connecticut and it's a type of warbler.
Hooded warbler babies are called chicks.
Canary, goldfinch, yellow warbler, prothonotary warbler, Wilson's warbler, Bachman's warbler, prairie warbler, pine warbler, western tanager, common yellowthroat, yellow breasted chat. Many warbler specie's plumage contain yellow to some degree.
A Blackburnian warbler is a small New World warbler, Latin name Setophaga fusca.
An aquatic warbler is a small bird of the warbler family, Latin name Acrocephalus paludicola.
A wren or warbler would be a small bird
Oriente Warbler was created in 1858.
Greenish Warbler was created in 1837.
Speckled Warbler was created in 1801.
Bachman's Warbler was created in 1833.
Whistling Warbler was created in 1878.
Oriole Warbler was created in 1831.