[texbirds] Re: Swans
- From: Adam Wood <birdsondabrain@xxxxxxxxxxxxx>
- To: TexBirds <texbirds@xxxxxxxxxxxxx>
- Date: Mon, 7 Jan 2013 06:41:20 -0600
I made this mistake before on the Salt Lake Swan by thinking that due to the
lack of yellow below the eye and the wider bill would make it a Trumpeter.
According to reference material and Eric Carpenter the yellow bellow on the
Tundra is variable and can be completely absent in some individuals. The bills
are also variable. He informed me the marks to key on are weather it is
triangular or rounded were the forehead meets the bill and at the gape area
where the bill contacts with the face. The more rounded being Tundra. These
birds appeared rounded to me in the gape area. I did not get a good look at the
forehead area. Also size is hard to judge but these birds seemed to small for
Trumpeters. I also due hope the come in closer to get a better feel for them
indeed being Tundras and not Trumpeters.
Adam Wood
Houston, Tx.
birdsondabrain@xxxxxxxxxxxxx
713-515-1692
Sent from my iPhone
On Jan 7, 2013, at 6:09 AM, DHanson139@xxxxxxx wrote:
> I just want to chime in that Jan and I are with Vicki. Something just
> didn't look right on those birds for Tundra Swans. Even in my very poor
> pictures the bills look to big although the black does not appear to go all
> the
> way back to the eye like in Trumpeter. Maybe they will get closer one day
> where they can be seen better. The wind and distance just didn't give really
> good looks even through a scope.
>
> David
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