Vegas are bird ID needed

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tspuckler
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Vegas are bird ID needed

Post by tspuckler »

I saw these today at Valley of Fire.
They seem fairly common and distinctively marked, yet I haven't been able to match them up with any online photos:
Image

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Owen
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Re: Vegas are bird ID needed

Post by Owen »

Kinda looks like female Black-headed Grosbeak, but I'm a photo and look up later type birder (it's not natural to me).

Matt Buckingham
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Re: Vegas are bird ID needed

Post by Matt Buckingham »

These are juvenile Black-throated Sparrows.

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tspuckler
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Re: Vegas are bird ID needed

Post by tspuckler »

I bet you're right Owen,

I think it's a female attending to her offspring. I definately thought "grosbeak" when I saw the bill, but when I looked it up and saw a pic of an orange male, I figured the birds were something else.

Tim

hellihooks
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Re: Vegas are bird ID needed

Post by hellihooks »

Jeff (SurfnHero) and I saw an amazing grosbeak several weeks ago, at a pytroglyph site east of Barstow... just missed getting pics... :( jim

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Andy Avram
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Re: Vegas are bird ID needed

Post by Andy Avram »

I would trust the only one who spoke with confidence.

Black-throated Sparrow - body and tail is thin and long, unlike a squat, fat grosbeak. The tail is dark with white borders (can be seen in the picture) which is a trait of the sparrow and there is no orange or orange tones at all in these birds which grosbeaks have and the sparrows don't.

Andy

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tspuckler
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Re: Vegas are bird ID needed

Post by tspuckler »

They clearly do not have black throats.

Tim

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chrish
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Re: Vegas are bird ID needed

Post by chrish »

That's pretty cool. I've never seen a juvi BTSP I guess. They do look just exactly like BTSP, but without the black-throats yet. You can see the evidence of the juvenile streaking on the breast of one of them.

One of my favorite sparrows.

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Andy Avram
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Re: Vegas are bird ID needed

Post by Andy Avram »

tspuckler wrote:They clearly do not have black throats.

Tim
Only the adults have the black throats. As a juvenile (like these) they will have pale throats that will turn black in a later molt.

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PNWHerper
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Re: Vegas are bird ID needed

Post by PNWHerper »

Yeah, I am definitely going with black-throated sparrow as well. I looked up "black-throated sparrow juvenile" in google images and came up with some excellent matches. Even down to the two-toned beak and subtly streaked breast.

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