Dec 6, 2007

THE DOWNY WOODPECKER, ID'd by Edith!



that bird, the DOWNY WOODPECKER!




The smallest and most common American woodpecker, the Downy Woodpecker is found throughout most of North America from Alaska to Florida. It lives in a variety of habitats from wilderness forests to urban backyards, and comes readily to bird feeders.


Cool Facts


The Downy Woodpecker is a frequent member of mixed species flocks in winter. The woodpecker is less vigilant looking for predators and more successful at foraging when in such a flock. It will readily join chickadees or other birds mobbing a predator, but it remains quiet and does not actually join in the mobbing.


Male and female Downy Woodpeckers may stay in the same areas in winter, but they divide up where they look for food. The male feeds more on small branches and weed stems, and the female feeds more on large branches and the trunks of trees. Males appear to keep the females from foraging in the more productive spots. When the male is removed from a woodlot, the female shifts her foraging to the smaller branches.


The Downy Woodpecker uses sources of food that larger woodpeckers cannot, such as the insect fauna of weed stems. It will cling to goldenrod galls to extract the gall fly larvae. The woodpecker prefers larger galls, and uses the exit tube constructed by the larva to extract it.
The Downy Woodpecker varies gradually across its range. Larger birds are found in the north and at higher elevations, while smaller birds live in the south and at lower elevations. Western woodpeckers tend to have less white in the wings and less black on the outer tail feathers.

Description
top
Size: 14-17 cm (6-7 in)
Wingspan: 25-30 cm (10-12 in)
Weight: 21-28 g (0.74-0.99 ounces)
Small woodpecker.
Black and white plumage.
Plain white back.
Small, pointed bill.
Mostly black upperparts.
Center of back white.
White stripes on face above and below black ear coverts.
Black line down side of neck.
White spots on wings.
Tail black in center with white outer tail feathers.
Outermost tail feather on each side barred with black.
Underside completely white; may be grayish.


Sex Differences
Male with red patch on back of head, female with black patch.


Male
Red patch on rear of crown, at back of white eyestripe.


Female
White eyestripe without red at rear.


Immature
Juvenile male with red forehead and without red on back of head. Juvenile female similar, but usually lacks red.
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