Arguably the best birding destination in the United States is at the southernmost tip of Texas, on a 12-acre nature preserve wrapped around a Spanish Colonial Revival-style estate in McAllen, directly across the street from an airport.
texashighways.com/travel/mcall...
texashighways.com
McAllen's World-Class Birding Center Bets Big on South Texas’ Future
After a $59 million renovation, the McAllen sanctuary has doubled in size and hosts a new educational center