Gary, thanks for setting me straight. Who is the expert you consulted? Is it 
Sherri Williamson?

Nick Komar
Fort Collins

> On Jun 23, 2020, at 1:51 PM, 'The Nunn Guy' via Colorado Birds 
> <cobirds@googlegroups.com> wrote:
> 
> 
> Hi all
> 
> Last item from regarding this bird (beneath signature) ... second response 
> back from the AZ hummer birder. I know I learned quite a bit in this exercise 
> myself :-)
> 
> Thanks Gary Lefko, Nunn
> http://www.friendsofthepawneegrassland.org/
> 
> "I took the liberty of creating a quick comparison in photoshop which will 
> hopefully put this bird's ID to rest. On the left is Black-chinned, then your 
> bird, then Broad-tailed. Without even diving into specific field marks, it 
> should be immediately apparent how similar the Black-chinned Hummingbird is 
> to your bird in every way. In terms of plumage, that completely dark, almost 
> black looking head with a tiny patch of white behind the eye is a classic 
> Black-chinned look. Granted, the Broad-tailed was photographed in very 
> different light, but I could not find a single image of a Broad-tailed where 
> both the gorget and the rest of the head appeared completely and uniformly 
> dark, or black, as in your bird. 
> 
> Next, notice the differences in structure between your bird and the 
> Broad-tailed. As I said before, we need to be careful when judging structure 
> as the bird's individual posture and feathers can greatly influence this. 
> However, notice that in general the Broad-tailed is very elongated and 
> tubular, due to the very long tail which makes up almost half of the bird's 
> length, while your bird and the Black-chinned have a much shorter tail that 
> makes up at most one third of the bird's length.  
> 
> 
> 
> There's also a clear difference in terms of wing shape- notice how the 
> leading edge of the Broad-tailed Hummingbird's wing is straight, where your 
> bird and the Black-chinned Hummingbird's is curved upward towards the tail. 
> Also noteworthy is your bird's notched tail, where Broad-tailed generally has 
> a pointed or squared tail."
> 
> 
> <combinedhummer.jpg>
> 
> 
> 
>> On Tuesday, June 23, 2020 at 11:54:19 AM UTC-6, The "Nunn Guy" wrote:
>> Thanks for weighing in, Nick!
>> 
>> Gary Lefko, Nunn
>> 
>> http://www.friendsofthepawneegrassland.org
>> 
>>> On Tuesday, June 23, 2020 at 11:48:27 AM UTC-6, Nick Komar wrote:
>>> Tail extends longer than wings. Straight bill. Thick neck consistent with 
>>> Selasphorus sp. All adds up to Broad-tailed Hummingbird, which would only 
>>> be about 30 miles out of range. Costas would have slightly curved bill, 
>>> thinner primaries and flared gorget. 
>>> 
>>> Nick Komar
>>> Fort Collins CO
>>> 
>>>>> On Jun 22, 2020, at 10:36 AM, 'The Nunn Guy' via Colorado Birds 
>>>>> <cob...@googlegroups.com> wrote:
>>>>> 
>>>> 
>>>> Hi all
>>>> 
>>>> I was able to photo a hummer (backlit but lightened up photos a bit) in 
>>>> Greeley at Josephine B Jones Park and Open Space Sunday. ID?
>>>> 
>>>> Three photos here:
>>>> http://www.friendsofthepawneegrassland.org/albums/photos/view/148/3442
>>>> http://www.friendsofthepawneegrassland.org/albums/photos/view/148/3443
>>>> http://www.friendsofthepawneegrassland.org/albums/photos/view/148/3444
>>>> Thanks Gary Lefko, Nunn
>>>> http://www.friendsofthepawneegrassland.org/
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