Kentucky Warbler

Oporornis formosusOrder: PASSERIFORMESFamily: Wood Warblers (Parulidae)

Breeding Location:

Forests, coniferous

Breeding Type:

Monogamous, Solitary nester

Breeding Population:

Egg Color:

White with brown flecks and splotches

Number of Eggs:

3 - 6

Incubation Days:

12 - 13

Egg Incubator:

Female

Nest Material:

Grasses, stems, vines, and leaves.

Migration:

Migratory

Overview

Kentucky Warbler: Medium, ground-dwelling warbler with bright olive-green upperparts and yellow underparts. Head has black mask and sideburns and thick yellow eyebrows. Bill is black, legs and feet are pink. Secretive, heard rather than seen. It is named for the state where it was first discovered.

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.

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

Kentucky Warbler

● Song: "churry-churry-churry-churry-churry"

● Foraging & 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.

● Breeding & 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.

● Similar species: Kentucky Warbler: Common Yellowthroat lacks yellow spectacles and has a white belly.

Flight Pattern

Swift direct flight with rapid wing beats.

● Range & 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.

^BreedingMonogamous, Solitary nester

^Population

^MigrationMigratory

^Weight0.5 Ounces

Field Guide to Birds of North America