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Yellow warbler Facts

Yellow warbler Facts
Yellow warbler is small songbird that belongs to family of New World warblers. There are 35 subspecies of yellow warblers that can be found in North, Central and South America. Yellow warbler inhabits edges of the forests and swamps, areas near the streams and rivers, mangrove forests and orchards. Yellow warbler can be found on the altitude of 9.000 feet. Habitat destruction, pollution of the ground with pesticides and accidental collisions with man-made objects represent major threats for the survival of yellow warblers in the wild. Despite these factors, yellow warblers are numerous and widespread (especially) in the North America.
Interesting Yellow warbler Facts:
Yellow warbler can reach 4.7 to 5.1 inches in length and 0.3 to 0.4 ounces of weight.
Yellow warbler has golden-green plumage on the upper side of the body and bright yellow belly. Males are more intensely colored than females and covered with reddish-brown markings on the breast and flanks.
Yellow warbler has black eyes, thin, pointed bill and slender body with long tail.
Yellow warbler is diurnal bird (active during the day).
Yellow warbler is an omnivore (it eats both plants and meat). Its diet is based on insects such as leafhoppers, beetles, wasps, midges and caterpillars. Berries and juicy fruit are mostly consumed during the winter.
Northern populations of yellow warblers migrate toward the south during the autumn.
Natural enemies of yellow warblers are snakes, squirrels, raccoons, weasels, skunks, cats, jays and crows. Webs of orb weaver spiders are death traps for the yellow warblers.
Mating season of yellow warblers takes place during the May and June.
Males can produce up to 3.240 cheery, whistling songs per day to attract females. Loud, "hissing" calls are used to deter intruders from the occupied territories.
Yellow warblers form monogamous couples that usually last more than one breeding season. Pair of birds produce one or two broods per year.
Female builds cup-shaped nest made of grass and bark and lined with deer hair, feathers, dandelions and cottonwood. Nest is located on the trees or thicket, usually 10 to 40 feet above the ground. Construction of the nest lasts 4 days.
Brown-headed cowbirds lay their eggs in the nests of yellow warblers. When yellow warbler detects "fraud", it builds new nest on top of already existing one and lays new set of eggs.
Female lays 3 to 6 greenish-white eggs covered with brown spots. Eggs hatch after 10 to 13 days. Male guards the nest and provides food during the incubation period.
Both parents provide food for the chicks while they are in the nest (during the first 9 to 12 days) and two more weeks after fledging (until they become ready for the independent life). Yellow warblers reach sexual maturity at the age of 1 year.
Yellow warbler can survive around 10 years in the wild.


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