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Ian, why/how would a snow-Canada hybrid be bigger than a Canada?

Jane
(Shoreham)

On 2/26/2017 7:50 PM, Ian Worley wrote:
> Hi Bob,
>
> Thanks for the thought.  I didn't get a good enough look to really
> explore the options.  I would have, if the group had stayed in place.
>
> My starting point was the heft of the bird, so noticeably larger in
> appearance than the Canadas it was with, which were small Canadas if the
> Snow Goose was a normal size.  That sent my brain to a domestic goose of
> some sort, but I couldn't make that hold up later with a cursory on-line
> search.
>
> I've seen all sorts of leucistic birds with varying degrees and
> distributions of white.  That may not have jumped into my mind because I
> perceived the bird to be more stocky than a Canada Goose.  I haven't
> forgot about other species being hybridized as well.
>
> I'll try to find it again tomorrow.  Where first seen it was only
> 300-400 feet away.  Where it went was 4000 feet distant, and there was a
> lot of heat distortion in the cold air over the warm ground of the last
> few days.  If I do refind it, I'm curious to see if my quick
> observations in that limited time hold up during a more sustained and
> comprehensive view.
>
> Best regards,
>
> Ian
>
> ------------------------------------------------------
>
>
> On 2/26/2017 7:12 PM, anneboby wrote:
>> Ian - may I suggest it was possibly a leucistic Canada (a bird with
>> partial white plumage) rather than a hybrid.  I suggest this after
>> recently banding my second leucistic Red-tailed Hawk in NY.
>>
>> Bob Yunick
>> Schenectady, NY
>>
>>
>>
>> -----Original Message-----
>> From: Ian Worley <[log in to unmask]>
>> To: VTBIRD <[log in to unmask]>
>> Sent: Sun, Feb 26, 2017 1:37 pm
>> Subject: [VTBIRD] Snow Goose x Canada Goose hybrid .. Lemon Fair WMA,
>> Cornwall.
>>
>> While beginning to count 2300 Canada Geese today in the flooded Lemon
>> Fair River flats west of West Street, Cornwall, I came upon a noticeably
>> large goose, as compared with the Canada Geese and one Snow Goose it was
>> foraging with.  I was struck by its size, but it didn't really look like
>> any domestic goose with which I am familiar.  I now think it is a Snow
>> Goose x Canada Goose hybrid.
>>
>> As I was taking notes on its plumage, the ensemble of geese bolted as an
>> immature Red-tailed Hawk made a zooming pass.  They landed about 0.3
>> miles up stream with other geese at a location I could not see well.
>>
>> I saw the bird from right and left rear quarter view as it swam and when
>> it took flight.  It was dark bodied above, and white below.  The wings
>> were dark but the outer primaries were all white and very striking in
>> flight. My look at the neck was remembered poorly, though it definitely
>> was not white.  The head was prominently pied in color, a mottling of
>> dark spots or blotches on a white field.  I did not see the bill or feet
>> with any clarity.
>>
>> Ian