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Rose-breasted Grosbeak?


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#1 Benjamin DeHaven

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Posted 27 September 2012 - 11:00 PM

Hey all...

I have what should be a Rose-breasted Grosbeak but it just isn't right. It has spots on the belly, a dark upper mandible, and black between the light stripes on the head. Is there any chance this is a Rose-breasted x Black-headed Grosbeak hybrid? Now that you've stopped laughing please let me know why this doesn't look normal or even as described in my Stokes. This was taken 9.27.12 at Cromwell Valley Park in Baltimore County, Maryland. Thank you.


Posted Image
DSC_8854 by BadBirds, on Flickr

Posted Image
DSC_8855 by BadBirds, on Flickr

Posted Image
DSC_8860 by BadBirds, on Flickr

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#2 JimBob

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Posted 27 September 2012 - 11:22 PM

Yep.

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#3 Benjamin DeHaven

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Posted 27 September 2012 - 11:29 PM

Yep to which?

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#4 blackburnian

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Posted 27 September 2012 - 11:44 PM

that is definitely a Rose-breasted Grosebeak, i think that what JB meant

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#5 The Sego Sago Kid

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Posted 28 September 2012 - 12:06 AM

Seconding rose-breasted grosbeak. Looks like it's in between plumage.

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#6 Benjamin DeHaven

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Posted 28 September 2012 - 12:44 AM

Ok, I'm having trouble finding images on the net of one that looks like this. I don't doubt your answer of a straight Rose-breasted given how crazy rare the hybrids are (not to mention your collective knowledge vs. my sometimes creative interpretation of the bird descriptions). I suppose today isn't my day to be the next mid-Atlantic birding superstar... Always tomorrow.

Thanks for the looks!

Benjamin

Motivational Thought Of The Moment: "The most dangerous risk of all, the risk of spending your life not doing what you want on the bet you can buy yourself the freedom to do it later.� - Randy Komisar

 

Life List: 303 ** ABA 2014: 189 ** Maryland Life: 240 ** Maryland 2014: 120 ** Baltimore Life: 186 ** Baltimore 2014: 88 ** Delaware Life: 153

2013 Sightings (ebird rank): ABA: 260 (2405th) ** Maryland: 212 (81st) ** Baltimore: 169 (20th) ** Delaware: 127 (101st)


#7 The Sego Sago Kid

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Posted 28 September 2012 - 12:50 AM

How about this one:

Posted Image

Non-breeding head, breeding body?

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#8 Benjamin DeHaven

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Posted 28 September 2012 - 02:31 AM

Ya, better than what I could find. Just looks to me that my birds upper mandible is so much darker and its head / beak angle / arc is so much shallower. Nothing that lighting and angle couldn't explain away I suppose. Two weeks ago I had never seen a Rose-breasted at all so all my thoughts are based on two weeks of sporadic sightings and Stokes. Hardly the full picture gained by years of direct observations. Just one of those things, it looks different to me but I am quite convinced I am wrong. Breeding plumage is a harsh mistress. And as the above picture points out, even individual birds don't always transition as a whole leading to limitless combinations.

Motivational Thought Of The Moment: "The most dangerous risk of all, the risk of spending your life not doing what you want on the bet you can buy yourself the freedom to do it later.� - Randy Komisar

 

Life List: 303 ** ABA 2014: 189 ** Maryland Life: 240 ** Maryland 2014: 120 ** Baltimore Life: 186 ** Baltimore 2014: 88 ** Delaware Life: 153

2013 Sightings (ebird rank): ABA: 260 (2405th) ** Maryland: 212 (81st) ** Baltimore: 169 (20th) ** Delaware: 127 (101st)


#9 JimUSNY

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Posted 28 September 2012 - 01:28 PM

I think they take quite a while to transform into their full male colors.. a couple years?
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#10 TheBillyPilgrim

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Posted 28 September 2012 - 01:35 PM

I think they take quite a while to transform into their full male colors.. a couple years?


These guys have one immature basic and alternate plumage (the equivalent of "breeding" and "non-breeding") so they molt into their first "adult" plumage at about 1 year of age.

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