Re: [cobirds] Re: Chatfield/Loveland Brant and eBird

Derek, and all,

 

I don't believe these particular photos by Steve Mlodinow are the best to illustrate differences.  Note his comments re the injured 'Gray-bellied' Brant: "This Gray-bellied Brant is on the very pale side of that population and is probably indistinguishable from Atlantic Brant (subspecies hrota)."

 

For the captive Atlantic Brant he says: "Such a bird as this would be indistiinguishable from the pale end of Gray-bellied Brant phenotype."

 

And unfortunately the Colorado bird does appear to in the (if I can be forgiven for saying this) *gray* area.  (Couldn't resist a pun—I know, the lowest form of humor.)

 

Cheers,

 

Rob Parsons
Winnipeg, MB
CANADA
parsons8@mts.net

 

 

From: Derek Hill

Sent: Tuesday, December 17, 2013 7:27 PM

To: cobirds@googlegroups.com

Subject: [cobirds] Re: Chatfield/Loveland Brant and eBird

 

For instance, looking at Mlodinow's flickr photostream here:

Gray-bellied with Black
http://www.flickr.com/photos/36088296@N08/10684555344/

Atlantic
http://www.flickr.com/photos/36088296@N08/10684836493/

and another pic of the CO bird:

http://www.flickr.com/photos/26102738@N07/10664340345/

Requesting advice on how these birds differ

Derek

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