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
Socotra Warbler was created in 1881.
Adelaide's Warbler was created in 1865.
Prothonotary Warbler was created in 1783.
Whistling Warbler was created in 1878.
Oriole Warbler was created in 1831.
Rodrigues Warbler was created in 1865.