Description

There are a number of key features that distinguish the Connecticut Warbler and that occur in all plumages, including a predominantly olive to olive-brown above, a yellowish white below with a grey or brownish hood that extends to the lower throat and a complete whitish-coloured eyering. Females tend to be duller and immatures are also duller with browner heads and paler throats as compared to adults.

The habitat of the Connecticut Warbler varies and includes wet coniferous bogs consisting of spruce and tamarack and well drained deciduous woodlands consisting of poplar and immature jack pine, but show a preference for mature and open aspen forests that have tall undergrowth.

The primary song of the Connecticut Warbler consists of a loud, ringing, 2- or 3-part phrase that is repeated several times as represented by "chuppa-cheepa chuppa-cheepa chuppa-cheepa" or "chip-chuppy chip-chuppy chip-chuppy."

Mourning Warbler, MacGillivary's Warbler and dull female Common Yellowthroat.

The Connecticut Warbler is described as a shy and retiring species, but it is its walking gait that distinguishes it, including a slightly bobbing tail and a tendency to hop occasionally on the ground or from branch to branch, but ittypically walks on the ground or on fallen logs or tree limbs.
It is one of the most highly migratory of all wood-warbler species, but because of its highly secretive habitat it is one of the poorest known North American species. In addition, although the song of the Connecticut Warbler is loud, it is not a constant singer.

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