Kentucky warbler

Geothlypis formosa

  Winter range
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The Kentucky warbler is a small species of New World warbler. It is a sluggish and heavy warbler with a short tail, preferring to spend most of its time on or near the ground, except when singing.
Kentucky warbler (Geothlypis formosa) Missouri Botanical Garden, St Louis, MO. Apr 30, 2018 Geotagged,Kentucky warbler,Spring,United States,formosa

Appearance

Adult Kentucky warblers are mostly an olive-green in color on their back and nape, and a brilliant yellow below from their throat to their belly. They have a small tinge of black on their crown, and a large black mask with a yellow pattern that runs from the beak and encircles the eyes, resembling a pair of spectacles. Female Kentucky warblers have slightly less black on the sides of their head, and immature birds may have almost no black at all.

Measurements:

⤷  Length: 5.1 in
⤷  Weight: 0.5-0.5 oz
⤷  Wingspan: 7.9-8.7 in
Geothlypis formosa Kentucky warbler Geothlypis formosa,Kentucky warbler

Defense

Kentucky warblers nest on the ground hidden at the base of a shrub or in a patch of weeds in an area of ample vegetation. The female will lay between 3 and 6 eggs, which are white or cream-colored and speckled with brown. Incubation is done by the female only, and lasts for about 12 days. The young Kentucky warblers usually leave the nest about 10 days after hatching.

References:

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Taxonomy
KingdomAnimalia
DivisionChordata
ClassAves
OrderPasseriformes
FamilyParulidae
GenusGeothlypis
SpeciesG. formosa