Re: [cobirds] Hawk i.d. Storm Mountain, Larimer Cty

Yes, this is a definite juvenile Red-tailed. When I see birds like this in the field I don't really take note of the field marks like a should I just say "this is a Red-tailed because of the GISS," but this is a good opportunity to note the field marks since Osprey and Ferruginous Hawk were suggested. This bird is paler individual so it doesn't have the "helmeted" appearance that most adults and some very dark juveniles have. The "three points of white" field mark is a field mark that is useful when looking at the dorsal side of soaring buteos. Because this bird is perched, you can't even see the "wrists" mentioned by Caleb that would be white on a Ferrug. White speckling on the scapulars is another field mark of RTHA. Adult Ferrug would have orangish back with steel-blue primaries and juvenile Ferrug would have a uniform brown back. Unfeathered legs are also a huge field mark, thank you Todd D.

Good Birding everyone! In a few months we will have plenty of opportunities to study the many buteos that winter here and their endless myriad of unique color morphs and plumages.

Joe Kipper,

Fort Collins

On Tuesday, September 15, 2020 at 4:55:15 PM UTC-6 goldene...@gmail.com wrote:

Juvenile Red-tailed Hawk, check out light western juv. in Sibley. Bands on tail from Dave's description. Also, no feathered legs that Ferrug would show.

On Tue, Sep 15, 2020 at 3:42 PM Dave Hyde <pink...@hotmail.com> wrote:

HI CObirders,,

                At 1.25pm today as I looked out my kitchen window I saw a large hawk fly upwards and over the house. All I saw was a spread tail with many fine bands. I grabbed my binoculars and camera and went to the front of the house to see the hawk land atop a pine tree. I spotted it and thought, 'that looks like an Osprey! Better take a picture.' So I did and got 3 photos before the bird flew away. As it went it looked like it had a white rump. This is the best photo I got. Can anyone please tell me what hawk this is? – Dave Hyde/nr Storm Moutain, Larimer Cty.

 

 

Sent from Mail for Windows 10

 

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Todd Deininger
Longmont, CO

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