Birding at Big Bend National Park (Gambusia Spring): What You'll See Each Week
In November, the birds most often reported at Big Bend National Park (Gambusia Spring) are Marsh Wren (53%), Greater Roadrunner (49%), and Eastern Phoebe (47%). It is busiest in spring, when 64 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (86 species). 195 species have been reported here across 1,096 complete checklists from 847 birders.
Species by week
Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it.