Fallen Nest ID needed!

Found this fallen nest under a Pine tree. We had some bad storms so it probably blew down then. It’s made out of pine needles and too small to be a mockingbird nest. Any ideas?

Shorebird ID needed!

We saw this bird at Galveston Bay, then we saw around 50 at a park. Any idea what they are? They are a bit smaller than a curlew and make mewing sounds.

Eggshell ID needed!

Spotted this eggshell when we were birding, any idea what bird made it?