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Hummingbirds...Allen's or Rufus?


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#1 NatureLady

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Posted 04 April 2012 - 04:21 AM

Well only one pic will upload but i saw them ijn Whittier Narrows LA,CA

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#2 NatureLady

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Posted 04 April 2012 - 04:23 AM

Another shot[attachment=96915:Whittier 163.JPG]

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#3 ceylon

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Posted 04 April 2012 - 05:11 AM

I've been hemming and hawing. I think it's a female. Can't say anymore.


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#4 MattV

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Posted 04 April 2012 - 05:22 AM

The question of Rufous and Allen's comes up many times in the ID forum. The bird in your pictures is not an after-hatch-year male. Per Williamson, "adult female and immatures are generally indistinguishable in the field but may be separated by close examination of tail characteristics". There have been a number or Rufous/Allen's IDs done based on location and time of year which is not accurate.
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#5 cabirds

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Posted 04 April 2012 - 09:46 PM

The back is predominantly green from what I can see in the first photo? Any of just the back? A green back and rufous rump would make it an Allen's. The Rufous have green splotches on the back.

Here's a typical male rufous:

Posted Image


And another very happy Male:
Posted Image
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#6 betiam

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Posted 04 April 2012 - 10:32 PM

Jodie, that second pic you posted doesn't look like any of the rufous males we get here. The gorget is not as "fluffy" or as "fingered" as the one in your shot. The ones here have this gorgeous gorget (she said, alliteratively) with much finer feathering. Actually, looking at the first photo more carefully, I see that there's a definite overlap of the gorget to the back, which we don't see here, either. I'm not saying the IDs are wrong, I'm just saying that it's amazing how different a species can be from one area to another. Nice photos, as usual.

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#7 guy_incognito

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Posted 05 April 2012 - 01:20 AM

The back is predominantly green from what I can see in the first photo? Any of just the back? A green back and rufous rump would make it an Allen's. The Rufous have green splotches on the back.


The OPs bird is not an adult male, so unfortunately the back coloration pattern really isn't going to help. Even with adult birds, up to 5% of Rufous can have a predominately green back and look nearly identical to Allen's. I don't think I can make an ID unless a good picture of the tail features is available.

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#8 NatureLady

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Posted 05 April 2012 - 02:05 AM

Here are some more shots there was about 3-4 hummingbirds so im unsure if these are all the same bird
thanks for any help

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#9 mtdavid

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Posted 05 April 2012 - 02:32 PM

The last picture appears to be an adult male, likely Allen's... maybe MattV can weigh in again on that one? I'm not sure how to eliminate the 5% of Rufous that are Green-backed and don't have a hummingbird book.

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#10 JimBob

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Posted 05 April 2012 - 05:06 PM

I agree with the last one being a adult male Allen's Humminbird.

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