A bird in the family of crows is the azure-winged magpie Cyanopica cyanus. Dusky Canada geese have always constituted one of the smallest goose populations in North America and because of their discrete breeding and winter ranges they were considered one of the most manageable stocks subject to hunting.
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Dusky goose bird. Slow-moving and inconspicuous but often surprisingly tame. Large chickenlike bird with a small head and a long dark tail tipped in gray. Goosing about and a Dusky Thrush What seems to be one of the best winters ever for goose-watchers in Norfolk largely passed me by until the second half of December.
The dusky nests primarily on the Copper River Delta in Alaska see Figure 79. The dusky Canada goose is a species of concern for managers in the Pacific Flyway. The Dusky Grouse occupies inland regions of the western US.
They winter primarily in the Willamette Valley and along. A large dark forest grouse of inland regions of the western US. A small resident population numbering a few hundred birds is present at Willapa National Wildlife Refuge on the Washington coast.
While many bird species move from higher ground in summer to lower areas in the winter a phenomena known as altitudinal migration the Dusky Grouse does the opposite. The Canada goose is also found on eastern Siberias Kamchatka Peninsula as well as in eastern China and in Japan. My last few weeks of work proved busy and left me with little time to bird and more working from home meant less opportunity to pop out to see the local flocks during my lunch breaks.
It is the only goose that winters almost exclusively in the Willamette Valley and lower Columbia River. The dusky is a subspecies of Canada goose that breeds only in the Copper River Delta area on the south-central coast of Alaska and on islands in the Prince William Sound and Gulf of Alaska. Most likely to be noticed at least by sound in spring when males sing incessantly to attract mates a series of deep hoots.
And Canada sharing habitat with Williamsons Sapsucker Western Tanager and Rufous Hummingbird. We have the unique ability in Cordova to interact with this species on their breeding ground. Buffer prey abundance and dusky goose production.
Dusky Canada geese comprise one of the smallest populations of geese in North America Bromley and Rothe 2003. The primary wintering area is in the Willamette Valley of western Oregon and on. And a visual identification is unreliable at best.
Migration route of the dusky Canada goose. In fact when wildlife officials try to identify a Dusky from other medium-to-large geese they first use calipers to measure in millimeters the culmen of the bird which is the upper part of the beak. They nest on the Copper River Delta Middleton Island and in.
It is 31-35 cm long and similar to the Eurasian magpie Pica. Adults have black wingtips pink bill and legs and often show yellowish staining on the head. Through the 1950s until 1964 the dusky goose.
White morph generally more common. It moves upslope. Every other year the Cordova Ranger District and Forest Service staff help the Alaska Department of Fish and Games waterfowl biologists band and collar duskies on the Delta.
Juveniles have dull brownish bill and legs and variable grayish smudging on body and. Bird ringing has shown that members of the lesser complex subspecies have flown to northern Europe. A few birds winter on the Oregon coast.
Medium-sized goose with two strikingly different color morphs. Until recently this and the Sooty Grouse were considered to make up one species under the name Blue Grouse. Numbers of the dusky Canada goose may still be in decline.
Listen 4 more audio recordings. This population originated from geese captured on the Copper River Delta or crippled during the hunting season and propagated at the refuge. If the culmen measures 40mm-50mm then its a suspected dusky.
The Canada goose naturally migrates thousands of miles. Reddish bare neck patches are visible when displaying. Males have a yellow eyebrow that turns red during courtship.
Dusky Canada geese nest primarily on the Copper River Delta CRD of southcentral Alaska Figure 1a.
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