General
Kentucky Warbler: Medium-sized, ground-dwelling warbler with bright olive-green upperparts and yellow underparts. Head has black mask and sideburns and thick yellow eyebrows. Female and juvenile are duller with reduced sideburns. Walks on the ground and wags tail while foraging for insects.
Range and Habitat
Kentucky Warbler: Breeds from Iowa and Indiana east to New Jersey, and south to the southeastern U.S. Spends winters in the tropics. Preferred habitats include low, moist, rich woodlands with luxuriant undergrowth.
Breeding and Nesting
Kentucky Warbler: Three to six white eggs with brown flecks and splotches are laid in a nest made of dead leaves, lined with grass, hair, and rootlets, and built on or near the ground. Incubation ranges from 12 to 13 days and is carried out by the female.
Foraging and Feeding
Kentucky Warbler: Diet includes grubs, plant lice, spiders, caterpillars, and other insect larvae. Sometimes adds a bit of Mexican fruit to its diet during winter. Forages on the ground by rummaging through leaf litter, probing, and tossing with its bill, and scratching with its feet; also feeds in shrubs, vines, and lower parts of trees.
Readily Eats
Sugar Water, Fruit, Nut Pieces
Vocalization
Kentucky Warbler: Makes a series of rolling musical notes "churry churry churry", with each note repeated about six times.
Similar Species
Kentucky Warbler: Common Yellowthroat lacks yellow spectacles and has a white belly.