Fun pictures! Looks to me like a lot of Snow Goose and a lot of Blue
Goose - but with that size and that bill I can't imagine Ross' had
anything to do with your bird(s).
I'll stick to pipits.
Terry Wright wrote:
> Thanks for pointing to the National Geo guide. It does indeed show
> this color variant! I've since checked Madge & Burn, Stokes, Audubon
> Master Guide, Kaufman, etc. and none other, that I own, shows this
> 'white-bellied blue morph'. As for size, at least one bird was
> definitely of greater snow size.
> I've posted a couple digiscoped images here:
> Fred and Chris Pratt wrote:
>> This isn't my area of expertise (assuming I have one), but geese show
>> variations of size and plumage that leave us all guessing. The
>> National Geographic Guide shows a "blue phase variant" with plenty of
>> white on the belly, though with only a bit of dark on the neck. Is it
>> close in appearance to your birds?
>> I would assume Ross's x Blue hybrids would be smaller than a typical
>> Blue - but who knows?
>> Terry Wright wrote:
>>> Quoting from Sibley's:
>>> "The combination of dark neck and white belly is not shown by snow
>>> goose." (The Sibley Guide to the Birds, first edition, Chanticlear
>>> press, 2000, p78.)
>>> Either I am misinterpreting this quote or someone forgot to tell the
>>> snow geese this 'fact', or maybe new color morphs have arisen since
>>> publication??? Today at the DCWMA we observed at least 5 individual
>>> blue-phase snow geese with white bellies. Could these be Snow x
>>> Ross' hybrids? They certainly were NOT Ross's Goose! I can send
>>> pictures to anyone interested in this topic.
>>> Discussion on this observation most welcome!