Thanks to all for the helpful descriptions and information.
Regards,
Mark Minner-Lee
Erie, CO
Sent from my iPhone
> On Apr 11, 2021, at 3:14 PM, Adam Vesely wrote:
>
> Mlodinow and Leukering (2018) wrote a fantastic and informative piece in
> Colorado Birds about identification of Western
Mlodinow and Leukering (2018) wrote a fantastic and informative piece in
Colorado Birds about identification of Western and Clark's Grebes along
with thorough discussion of hybrids. Not sure if this link will work, but
try this:
https://cobirds.org/Publications/ColoradoBirds/InTheScope/84.pdf
I think the photos of the WEGR and CLGR at Stern's Lake posted in Jason
Cole's checklist linked below seem to illustrate what Caleb is describing
here.
https://ebird.org/checklist/S85225919
John Malenich
Boulder, CO
On Sunday, April 11, 2021 at 11:33:19 AM UTC-6 caleb...@gmail.com wrote:
>
Hi Mark!
For the sake of efficiency, I'll be using WEGR to be Western Grebe and CLGR
to be Clark's Grebe.
You would be correct that there is variation and therefore ambiguity when
it comes to the black and white pattern on the face. From my limited
experience, WEGR tends to be the species