Here are a few cool links that you might find interesting:
Houston Audubon’s Site
The Houston Arboretum
Gulf Coast Bird Observatory
Wes Fritz’s birding site. Wes is one of the best birding guides in California.
Larry’s butterfly/nature blog (lots of cool wildlife and photography stuff to see)
This was an interesting page suggested to me by the students of Jefferson Elementry School about black mold and its effects on birds at bird feeders.