Sign up to help us look for bird casualties in downtown San Antonio. Register for one or more days--we appreciate any amount of time you can donate!

Join Texas Parks and Wildlife, Texas Master Naturalists, the Nature Conservancy, the Audubon Society, and many others in a fun challenge to see which city can document the most species…

Be a part of birding’s biggest team! Global Big Day is an annual celebration of the birds around you. No matter where you are, join us virtually on 8 May…

Bird Bioblitz: Saturday, May 8 from 8 a.m. to noon. Volunteer teams will document the birds of Kirchoff Prairie between 8 and 10 a.m. and are invited to bird other parts…

General BioBlitz: Saturday May 15, from 8 a.m. to mid-afternoon. Volunteer teams will document the insects, mammals, and plants of the Kirchoff Prairie. Team leaders will provide some training before going into…

Journey with Doc and Martha, Matagorda Island naturalists, in this 26-minute documentary from producer Greg Pasztor.

Join Doc & Martha as they take us on a journey to Matagorda Island, Texas’ last truly wild barrier island. Following a 30-year career as a biology professor, Wayne H. “Doc”…

Come with Bexar Audubon Society as we experience a virtual visit to the Serengeti with Peter Roberts. The Serengeti ecosystem spans much of northern Tanzania into southern Kenya in East…

Is it a Yellow-bellied or a Least? A Couch’s or a Tropical? The Tyrannidae are diverse and can be quite confounding. Join Craig Hensley online during our June BAS monthly…

We'll certify the voting for BAS Board Officers during our Annual Meeting online. Everyone is welcome to join us.