If you don't have a whole lot of time while traveling along I-10, this is a good quick nearby place to stop.

 The yard around the Nature Center can be good for feeder birds.

Plus there are great views of Sonora and the surrounding area.

If you do have time, then hit a couple of the trails to the northwest or northeast from the main center

If the center itself is open, stop in and visit. Be sure to let them know you are birding and, hopefully, reporting to eBird.

The inside exhibits are top-notch.

A donation would be much appreciated if possible. 

Restrooms will only be available if the nature center building is open.