Cerulean Warbler

Dendroica ceruleaOrder: PASSERIFORMES Family: Wood Warblers (Parulidae)

Codes: Common Name: CERW Scientific Name: DENCER ITIS Taxonomic No.: 178903

Head

Topo Map: Perching-like Head

Bill Shape: All-purpose
Eye Color: Black in hatchlings; Brown in fledglings. Brown to reddish brown in breeding adults.
Head Pattern: Plain
Crown Color: Blue
Forehead Color: Blue
Nape Color: Blue
Throat Color: White
Cere color: No Data

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Body

Topo Map: Perching-like Body

Length Range: 11-13 cm (4.5-5 in)
Weight: 9 g (0.3 oz)
Size: Size 1. Very Small (3 - 5 in)
Color: Blue, White, Black
Underparts: White with streaking on flanks.
Upperparts: Medium blue
Back Pattern: Striped or streaked
Belly Pattern: Solid
Breast Pattern: Solid

Flight

Topo Map: Perching-like Flight

Flight Pattern: Swift direct flight with rapid wing beats.
Wingspan Range: 19 cm (7.5 in)
Wing Shape: Pointed-Wings
Tail Shape: Pointed Tail
Tail Pattern: Spotted
Upper Tail: Medium blue with white spots.
Under Tail: White
Leg Color: Black

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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.

Cerulean Warbler

Cerulean Warbler: Small warbler with sky-blue, faintly streaked upperparts, black-streaked white flanks. Black band separates white throat and belly. Wings have two bold white bars. Black bill, legs and feet. Prefers to stay high in the crowns of mature deciduous trees, making it difficult to see.

● Song: "zhee-zhee-zhee-zizizizi zzzeeeet"

● Foraging & Feeding: Cerulean Warbler: Feeds on insects, with a preference for caterpillars; usually forages in trees.

● Breeding & nesting: Cerulean Warbler: Three to five brown-spotted, white to gray eggs are laid in nest made of bark strips, grass, spider silk, and lichens, and lined with moss and fur. Nest is built by the female and built 15 to 90 feet above the ground, usually on a horizontal branch in a deciduous tree. Incubation ranges from 12 to 13 days and is carried out by the female.

● Similar species: Cerulean Warbler: Male is distinctive. Female and juvenile are distinguished from other warblers by gray (not olive) backs, strong white wing-bars, and distinct white band above eye.

Flight Pattern

Swift direct flight with rapid wing beats.

● Range & Habitat: Cerulean Warbler: Breeds from extreme southwestern Quebec and southern Ontario west to Minnesota and Nebraska, and south from eastern Texas to North Carolina. Spends winters in montane forests of northern South America. Prefers mature forests with broad-leaved, deciduous species and an open understory; often found near bottomlands and rivers.

^BreedingMonogamous

^Population

^MigrationMigratory

^Weight0.3 Ounces

Perching-like Head

Perching-like Body

Perching-like Flight

4 and 6 letter alpha codes

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Field Guide to Birds of North America