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 By: Yamil Saenz  
  Copyright ©2008

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Photographer Yamil Saenz  Yamil Saenz {Karma:12434}
Project #56 Wildlife and Insects Camera Model Canon EOS 20D
Categories From The Field
Nature
Wildlife 		Film Format Digital JPEG
Portfolio Ducks
Hayward Shoreline
 Lens 400 mm F/4
Uploaded 1/3/2008 Film / Memory Type Lexar  1GB
    ISO / Film Speed 200
Views 513 Shutter 1/500
Favorites 0  Aperture f/8.0
Critiques 0 Rating
Pending
/ 0 Ratings
Location City -  Hayward
State -  CA
Country - United States   United States
About Branta hutchinsii. #225

What is the "Cackling Goose"?
First, to clear up some confusion about the names of the species and subspecies: The former broad Canada Goose has been divided into a large-bodied, interior- and southern-breeding species, and a small-bodied tundra-breeding subspecies. The large-bodied group is still known as Canada Goose (Branta canadensis) while the small-bodied group takes the name Cackling Goose (Branta hutchinsii). This means that the English name Cackling Goose, which has in the past been more or less restricted to the smallest subspecies (the far western B. c. minima) is now the species name for all four of the small subspecies. This new species takes the scientific name of the earliest-named subspecies and becomes Branta hutchinsii.

When reading published accounts of subspecies, it is important to bear in mind that in the confusing history of the taxonomy of Canada Geese, the subspecies have been grouped and named in various ways. Names such as leucopareia (which is now restricted to the Aleutian population) have been applied to much broader groups in the past. The names attached to individual specimens in past decades might not be the same names that would be used in the current subspecific arrangement… beware.

The subspecies defined below should be taken cautiously as merely one interpretation of the information at hand (which is patchy and incomplete, despite decades of study).

From Sibley Guides

 
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