mystery tree– ID please?

mystery tree– ID please?

I never saw these before but the mature trees are lovely, they are not tgoo tall, oval in shape and flower a very pale green, I believe this is a baby one but what is it? http://i39.photobucket.com/albums/e166/paleriter/mystery-tree3.jpg it looks like it could be messy after blooming, is it a well-behaved tree? TIA.
First Iris In Bloom!

First Iris In Bloom!

Because not dying or putting yourself in the hospital is a great skill to have.

Because not dying or putting yourself in the hospital is a great skill to have.

dormant or dead?

dormant or dead?

CRAP!

CRAP!

Resident bird

Resident bird

From a recent trip to Maine …

From a recent trip to Maine …