Orange-crowned Warbler?

I'm attaching 3 photos of a bird I've never seen before. I saw it and several other migrants on March 22 at Dauphin Island, AL.
The bird has no wing bars, a sharp bill, split eye-ring, blurry breast streaking, a long tail and the undertail coverts are yellowish - all these fit the tentative ID of Orange-crowned Warbler. However, Dunn and Garrett (Warblers of North America,1997) write about "identification problems involving less closely related species that share many characteristics in the less distinctive (usually immature) plumages; examples include dull Yellow Warblers vs. Orange-crowned Warblers, ...". Also, the black feathers in the throat area are not visible in any images of Orange-crowned Warblers that I've seen.
Thanks for your help.
This photo shows the long tail.

and this is the best view I have of the back of the bird

The black feathers in the neck area are visible in this one.

Although the black around the throat is something I've not seen before, everything else looks good for Orange-crowned. These birds are variable. The grayish-green color on the mantle and the breast streaking on the chest are right.

Some birds (like cardinals) have black skin - look at some of the photos of molting cardinals to see this. Maybe that's what's showing here.

I've got a few shots of Orange-crowned here in AZ in a gallery on my web site for comparison.

I guess an Orange-crowned Warbler, mostly by process of elimination. It's certainly not a typical looking OCWA. Maybe a hybrid with something else? I assume the bird's head is wet; it's hard to imagine moulting in a bird that just flew across the Gulf of Mexico...

After looking at Richard's photos of Orange-crowned and noting the smoothness of the feathers in head and neck region, I wonder if the bird I photographed could have a feather disease. I don't know if the feathers are wet. It was not raining, but there was plenty of standing water available for bathing.
Thanks, again for your help.

Here's an older of an Orange-crowned Warbler from a session I never bothered to process before. This is from a morning on March 12, 2006, at the Gilbert Water Ranch and I remember this bird sitting in a trail-side bush trying to dry off from some overnight rain. This is the worst I've ever seen the plumage look on this species.

I was struck by how black the exposed areas were - I'd not noticed that on one before this day.

This is a quick "auto jpg" from the raw file with no processing of any kind other than a large crop

D70, 300/2.8 plus 2x, ISO 200, 1/200th second at f/10.