Folks on the Upper Texas Coast have been following this saga for a while, but in a nutshell:
Tropical Mockingbird plus Northern Mockingbird nested at/near Sabine Woods...
Photo via Andy Bankert - and that, my friends, is a young hybrid!
Andy asked me to pass it along to Texbirds and the image wasn't working on facebook, so this will be linked... what a great shot.
Edit: A question of fledgie numbers was sent to Andy, his text response:
"Only found one but the adult moved around a lot so probably more."
Edit 2: I'm getting emails asking for directions. I've not been to Sabine Woods in a few years, so please check the archives of Texbirds for that... and if you do go out there, PLEASE give the birds plenty of room. Raising kids is tough. Call out people who get too close; it makes the rest of us look bad.