This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within each season. Identifying Characteristics. Northern Goshawk Accipiter gentilis. Adult goshawks are told by their slate gray/blue back, dark cap, and striking white eye line. Northern Goshawk Accipiter gentilis Range map Data provided by eBird. Eyes of young goshawks range in color from pale yellow to orange. The underside is white streaked with black and gray. Adults are distinctive if seen well: overall gray, paler below, blackish crown and cheek, white eyebrow, and red eye. Northern goshawk feathers have been scanned and are available for viewing here. Juvenile northern goshawks have a brown head, back, and wings. The largest of the accipiters, females can weigh up to 1,000 grams. Logging is the largest threat to Northern Goshawks in Washington. Accipiter gentilis. Northern Goshawk (Accipiter gentilis) Home Ranges in a Naturally-Fragmented Forest Landscape in Southern Idaho. The breast is dirty in appearance with brown streaks on buff colored feathers. Uncommon, bulky, forest-dwelling hawk. Northern Goshawks are still well distributed across their core breeding range in most of the northern Coast Ranges, the Klamath and Siskiyou moun-tains, across the Cascades, Modoc Plateau, and Warner Mountains, and south through the Sierra Nevada (see map; J. Keane and B. Woodbridge unpubl. KEY WORDS Accipiter gentilis, conservation, forest management, habitat selection, home range, limiting factors, northern goshawk. Greenwald et al. Immature very similar to Eurasian Sparrowhawk and Cooper's Hawk, but larger and broader-winged with a more prominent white eyebrow, heavier streaking below (Eurasian Sparrowhawk barred below), and typically streaked undertail coverts. Range. While Northern Goshawks have been expanding their range in some areas of the Northeast in recent decades, many populations are still considered threatened or endangered. *KRISTIN W. HASSELBLAD and MARC J. BECHARD, Raptor Research Center, Department of Biology, Boise State University, 1910 University Drive, Boise, ID 83725 USA. The tail is brown with darkbrown bars. Learn more. Northern goshawk Scientific Name. The compilation of records and data). Occurrence.
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