So, which of the two is albifrons -- Lesser or Greater?

Marc Hoffman
Kirkland, WA
tweeters at dartfrogmedia dot com

At 09:20 PM 2/12/2008, LammergeierEyes at aol.com wrote:
>For what little it's worth I returned about one month ago from
>Poyang Hu, in Central China where I spent several days with the two
>species trying to get a handle on their separation in the field.
>Size in my experience is problematically subjective, unless you have
>two specimens and a tape measure in hand. Three factors in my
>militate strongly in favor of albifrons on the bird in question,
>those are [1] bill to skull ratio, [2] the confined extent of the
>blaze and [3] the apparent inconspicuousness of the orbital ring.
>
>Is everyone aware of marked the population decline being suffered by
>Lesser White-fronted Goose? Alarming. I suspect they will become
>increasingly scarce as lower N.A vagrants in the next decade.
>
>Best,
>Blake Matheson
>Carmel, California & Portland, Oregon