The French polymath Georges-Louis Leclerc, Comte de Buffon described the hooded warbler in 1779 in his Histoire Naturelle des Oiseaux from a specimen collected in Louisiana. The bird was also illustrated in a hand-coloured plate engraved by François-Nicolas Martinet in the Planches Enluminées D'Histoire Naturelle which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial nameMuscicapa citrina in his catalogue of the Planches Enluminées. The hooded warbler was formerly placed in the genus Wilsonia. A molecular phylogenetic study of the family Parulidae published in 2010 found that the hooded warbler was embedded in a clade that contained species then assigned to Dendroica as well as two of four species of Parula and the monotypic genera Catharopeza and Setophaga. To create a monophyletic genus, all members of the clade were placed in the expanded genus Setophaga, which under the rules of the International Code of Zoological Nomenclature, had priority. The genus Setophaga had been introduced by the English naturalist William Swainson in 1827. The species is monotypic; no subspecies are recognised. The genus nameSetophaga is from Ancient Greekses, "moth", and phagos, "eating", and the specific citrina is Latin for citrine.
Description
The hooded warbler is a small bird and mid-sized warbler, measuring in length and weighing. It has a plain olive/green-brown back, and yellow underparts. Their outer rectrices have whitish vanes. Males have distinctive black hoods which surround their yellow faces; the female has an olive-green cap which does not extend to the forehead, ears and throat instead. Males attain their hood at about 9–12 months of age; younger birds are essentially identical to females. The song is a series of musical notes which sound like: wheeta wheeta whee-tee-oh, for which a common mnemonic is "The red, the red T-shirt" or "Come to the woods or you won't see me". The call of these birds is a loud chip.
Life history
These birds feed on insects, which are often found in low vegetation or caught by flycatching. Hooded warblers' breeding habitats are broadleaved woodlands with dense undergrowth. These birds nest in low areas of a bush, laying three to five eggs in a cup-shaped nest. Hooded warblers are often the victims of brood parasitism by the brown-headed cowbird, especially where the hooded warblers' forest habitats are fragmented. In areas with protected woodlands or recovering wooded habitat, the hooded warbler population is stable and possibly increasing.