Allen's hummingbird is a small bird, with mature adults reaching only 3 to inches to 90 mm) in length. The male Allen's has a green back and forehead, with rust-colored rufous flanks, rump, and tail. The male's throat is also an iridescent orange-red.
Mangrove Warbler is a sub-species of the Yellow Warbler seen in North America. Althought, this warbler prefers a more tropical climate, such as Mexico or Central America, small numbers are seen in the South-east corner of Texas.