Cackling Goose & Canada Goose Photos © Bill Schmoker

All photographs copyrighted by the author. Publication-quality 300dpi versions and prints of many of the images contained in this web site are available- inquiries welcomed- email bill@schmoker.org

Cackling/Canada Goose Split

*Cackling Goose is split from Canada Goose in the 45th Supplement to the AOU Checklist.

a. Cackling Goose (Anser hutchinsii) [the small forms] includes the former Canada Goose subspecies hutchinsii [Richardson's], asiatica [Bering-extinct?], leucopareia [Aleutian], taverneri [part of the Lesser
complex], and minima.
b. Canada Goose (Anser canadensis) now includes the subspecies canadensis [Atlantic], interior [Interior], maxima [Giant], moffitti [Moffit's], parvipes [the other part of the Lesser complex], fulva [Vancouver], and occidentalis [Dusky].

Link here for Angus Wilson's description of Cackling/Canada Goose subspecies.

Link here for David Sibley's ID tips for the various Cackling/Canada Goose forms.

Link here for Harry Krueger's Cackling Goose -- Canada Goose Subspecies Identification Indicators.

Link here for Denny Granstrand's Canada and Cackling Goose subspecies photos and primer.

Richardson's (hutchinsii) Cackling Goose, Pueblo County,Colorado, 11/06.

Mixed flock of Cackling & Canada Geese, Larimer County, Colorado, 11/05.

Cackling Goose (neck band # K88) with Canada Geese, Boulder County, Colorado, 12/04.

Cackling Goose (foreground) with Canada Goose, Weld County, Colorado, 11/04.

Cackling Goose (left) with Canada Goose, Weld County, Colorado, 11/04.

Cackling Goose (foreground) with Canada Goose, Weld County, Colorado, 11/04.

Cackling Goose with bright neck ring, Broomfield, Colorado, 1/04.

Pair of Cackling Geese in flight, Broomfield, Colorado, 1/04. Note the white neck collars that are present in some Canada Geese. (This is more common in smaller forms, I believe.)

Canada Geese in flight, Larimer County, Colorado, 1/07.

Lesser (parvipes) and Greater (moffiiti-type) Canada Geese, Larimer County, Colorado, 9/06.

Lesser (parvipes) Canada Goose, Larimer County, Colorado, 9/06. This subspecies normally arrives in Colorado in the winter- this bird was seasonally out of range, perhaps paired with Greater Canada Goose above, with neck band.

Canada Geese, Pueblo County, Colorado, 11/06.

 

Canada Goose head close-up, Broomfield County, Colorado, 1/06.

Canada Geese, Douglas and Boulder Counties, 2/06. (following three rows)

Partial albino Canada Goose, Tacoma, Washington, 9/05.

Canada Goose gosling, Tawas Point, MI, 5/05.

Canada Goose gosling, Tawas Point, MI, 5/05.

Canada Goose pair showing differences in size and coloration, Cherry Creek Reservoir, Arapahoe County, Colorado, 3/05.

Canada Goose (probably moffitti) head detail, Boulder County, CO, 2/05.

Canada Geese, Greeley, Colorado, 12/03.

Leucistic Canada Goose, Boulder County, Colorado, 1/05. Although hard to see in this photo, the dark neck and head areas are brown, not black.

Partial albino Canada Goose, Greeley, Colorado, 12/03.

Canada Geese taking flight, Lagerman Reservoir, Longmont, Colorado, 11/03.

Canada Goose, Walden Ponds, Boulder, Colorado, 7/03.

Canada Geese, Broomfield, Colorado, 7/03.

Partially albino Canada Goose, Cherry Creek Reservoir, Arapahoe County, Colorado, 11/02.

Another odd-plumaged Canada Goose, Cherry Creek Reservoir, Arapahoe County, Colorado, 12/14/02.

Canada x Snow Goose hybrid? Or partially albino Canada Goose?? Boulder County, Colorado, 12/06.

Canada x Pond Goose (domestic) hybrid, Pueblo County, Colorado, 11/06.

(More domestic waterfowl here.)

Hybrid Canada X Greater White-fronted Goose(?) with Canada & Cackling Geese, Dodd Reservoir, Boulder County, Colorado, 1/06.

Hybrid Canada X Greater White-fronted Goose(?), Bittersweet Park, Greeley, 12/03.

One of 3 possible hybrid Canada X Greater White-fronted Geese present at Waneka Lake, Lafayette, Colorado, 11/29/02. Note dark breast, white "front", and light bill, like GWFG. However, this bird lacked the barring on the belly and the white lateral line of GWFG. Not seen in this photo is an orange foot that I observed in another swimming photo.

Another possible hybrid Canada X Greater White-fronted Goose, Waneka Lake, Lafayette, Colorado, 11/29/02. This one has a bit more prominent cheek patch and breast patterning like a Canada Goose, but a light bill and face patch more like a Greater White-fronted. Its upper leg, not visible in this photo, appeared to be light gray.

All photographs copyrighted by the author. Publication-quality 300dpi versions and prints of many of the images contained in this web site are available- inquiries welcomed- email bill@schmoker.org

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