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Yellow Rumped Warbler - (Dendroica coronata)

On October 19, 2008, we got a quick glimpse of a yellow-rumped warbler. Not much of a feeder bird, he seemed attracted to our little pond. He has the reputation of being the most abundant and widespread warbler on our continent. This is possible as this bird is able to live in many diverse environments and can vary his diet from insects to berries and fruit. He is highly adaptable, but especially loves wax myrtle berries (even though his name was changed).

The yellow rumped warbler is the combined name of two similar types: the Myrtle Warbler found in the east and described below and the Audubon's Warbler, a western bird, with a broken eye ring and a yellow throat.

 

Size:

Length:5-6 in

Weight: .4-.5 oz Wingspan: 8.5-9 in

ID:

Male: Slate gray above in summer; black breast patch in inverted U pattern; yellow patch on crown, below each wing and on rump; two white wing bars; white chin, belly, and patches on the sides of the neck and throat; black streaking on sides, wings and back; white eyebrows; black under eye and on cheek; feet anisodactylous (three toes point forward and one toe points backward) anddark; beak thin and sharp; slate gray area becomes brownish in winter
Female and Juvenile: May have same yellow patches but duller than male; brownish

Habitat:

Coniferous or mixed woodlands; parks and gardens; dense shrubbery

Diet:

Insects (moths, beetles, wasps, flies) and spiders; berries and fruit; might come to feeders for suet and peanut butter


Family Behavior:

Mating Habits:Monogamous and solitary; 2 broods per year

Local Breeding Period: Mid-April
Nests:Cup shaped made of bark, twigs, and roots, lined with feathers; built by female in conifer on horizontal branches; building process takes a week.
Eggs: 4-5 white with brown and gray markings; female incubates 12-13 days
Nestlings: Born altricial (helpless, naked, eyes closed) and stay in nest 10-12 days; fed by both parent

Social Activities:

Solitary or in pairs; gregarious in winter, joining mixed flocks

Range:

Summers northern North Americas; winters in southern US and Central America

Vocalization:

Slow warble or musical trill that falls or rises at the end; call is chip or check

Lifespan: Up to 7 years
 


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