Picoides
tridactylus
(Three-toed
Woodpecker)
Physical
Description:
Size: 8-9.5" (20-24cm).
A black and white woodpecker. White ladder pattern on a black back. Black head
with white facial stripes. Male has a yellow cap on its head. Black wings, rump and tail. Barred sides
and white belly.
Similar Species- The Black-backed Woodpecker is larger and lacks the ladder pattern on its back. Hairy and Downy woodpeckers lack the barred sides and have a red cap.
Song:
Call
is a squeaky pik! Also gives a dry rattle. Drumming similar to Black- backed
woodpecker, sounds like a drum roll, increasing in tempo at the end.
Distribution:
Breeds,
often locally, from northwestern and central Alaska to northern Saskatchewan
and northern Labrador, and south to central Washington, central Arizona, south-central
New Mexico, central Saskatchewan, northeastern Minnesota, northern New England,
and southern Quebec. Wanders irregularly or casually north and south.
Habitat:
Found in coniferous
forests (primarily spruce/fir
and lodgepole, less frequently in mixed forests). Found also in willow thickets
along streams, in high-elevation aspen groves, in swamps, and in burned-over
coniferous forests.
Diet:
Eats mainly wood-boring insects,
but will also eat spiders, berries, and cambium.
Ecology:
Excavates cavities in tree or standing
snag. Forages on tree bark. Few nests have been found in Idaho. In Oregon, home
range size varied from 52-300 ha, depending on habitat quality.
Conservation:
| Element Code: | ABNYF07080 |
| Status: | Protected nongame species |
| Global Rank: | G5 |
| State Rank: | S3 |
| National Rank: | N5 |
Important
State References:
No references are available at this time.