Registration opens today at Noon Central Time for the Rio Grande Birding Festival, scheduled for November 5-9, 2025 in Harlingen, TX. Field trips have limited spaces available so prompt registration is advised. For full details about the festival, including the link to registration, descriptions of available field trips, housing, etc., please visit the Rio Grande Birding Festival’s website. Please note that it is recommended that you make hotel/housing reservations as early as possible (BEFORE festival registration is open).