Print

Print


Enjoy the tick on your life list for Hoary while it lasts. This may
not be a separate species for long on the checklist according to
genetic studies!

http://dx.doi.org/10.1016/j.ympev.2008.03.027

Kent

On Wed, Feb 23, 2011 at 9:50 AM, hector galbraith <[log in to unmask]> wrote:
> Seems to me that we had this discussion about the challenges of IDing
> commons vs hoaries some time back on VTbirds. It was difficult enough then
> and if anything it seems to have become more difficult now that Sibley has
> raised problems about the hitherto "clincher" - the bill size and shape. My
> guess is that HORE and CORE form a continuous spectrum of plumage
> characteristics and that only birds at either extreme can be assigned
> safely. Whether these extremes correspond to two different species is
> another matter entirely (or is it just variation within a species).
>
>
>
> Interestingly, redpolls are being reported from on listserves from all over
> New England. Far as I can see, VT is the only state where HORE is being
> consistently reported. Maybe Ebird can clear up whether this perception is
> right or wrong.
>
>
>
> Hector Galbraith, PhD
>
> Climate Change and Energy Initiative
>
> Manomet Center for Conservation Sciences
>
>
>
> p: 802 258 4836
>
> c: 802 222 1916
>
>
>