Birding spot · Galveston County, Texas
Birding at Old Fort San Jacinto (Big Reef): What You'll See Each Week In November, the birds most often reported at Old Fort San Jacinto (Big Reef) are Brown Pelican (85%), Laughing Gull (82%), and Great-tailed Grackle (68%). It is busiest in spring, when 87 species turn up on at least 1 in 20 checklists, and species counts peak in early May (98 species). 200 species have been reported here across 1,024 complete checklists from 559 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 72 species on 5%+ of 18 checklists Jan 8-14: 75 species on 5%+ of 15 checklists Jan 15-21: 60 species on 5%+ of 24 checklists Jan 22-31: 67 species on 5%+ of 19 checklists Feb 1-7: 62 species on 5%+ of 14 checklists Feb 8-14: 44 species on 5%+ of 21 checklists Feb 15-21: 67 species on 5%+ of 15 checklists Feb 22-28: 54 species on 5%+ of 10 checklists Mar 1-7: 59 species on 5%+ of 23 checklists Mar 8-14: 79 species on 5%+ of 18 checklists Mar 15-21: 78 species on 5%+ of 16 checklists Mar 22-31: 85 species on 5%+ of 18 checklists Apr 1-7: 72 species on 5%+ of 26 checklists Apr 8-14: 90 species on 5%+ of 29 checklists Apr 15-21: 94 species on 5%+ of 59 checklists Apr 22-30: 85 species on 5%+ of 64 checklists May 1-7: 98 species on 5%+ of 47 checklists May 8-14: 66 species on 5%+ of 106 checklists May 15-21: 87 species on 5%+ of 57 checklists May 22-31: 65 species on 5%+ of 48 checklists Jun 1-7: 45 species on 5%+ of 13 checklists Jun 8-14: low data (6 checklists) Jun 15-21: 45 species on 5%+ of 11 checklists Jun 22-30: low data (7 checklists) Jul 1-7: low data (3 checklists) Jul 8-14: low data (7 checklists) Jul 15-21: 56 species on 5%+ of 13 checklists Jul 22-31: 52 species on 5%+ of 10 checklists Aug 1-7: 66 species on 5%+ of 13 checklists Aug 8-14: 71 species on 5%+ of 12 checklists Aug 15-21: 67 species on 5%+ of 18 checklists Aug 22-31: 66 species on 5%+ of 11 checklists Sep 1-7: 64 species on 5%+ of 12 checklists Sep 8-14: 67 species on 5%+ of 15 checklists Sep 15-21: low data (8 checklists) Sep 22-30: 69 species on 5%+ of 12 checklists Oct 1-7: 70 species on 5%+ of 19 checklists Oct 8-14: 74 species on 5%+ of 19 checklists Oct 15-21: 51 species on 5%+ of 22 checklists Oct 22-31: 74 species on 5%+ of 18 checklists Nov 1-7: 79 species on 5%+ of 12 checklists Nov 8-14: 78 species on 5%+ of 19 checklists Nov 15-21: 75 species on 5%+ of 17 checklists Nov 22-30: 77 species on 5%+ of 20 checklists Dec 1-7: low data (6 checklists) Dec 8-14: 79 species on 5%+ of 16 checklists Dec 15-21: 83 species on 5%+ of 13 checklists Dec 22-31: 55 species on 5%+ of 25 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted. In November: what to expect 1 Brown Pelican 85% 2 Laughing Gull 82% 3 Great-tailed Grackle 68% 4 Willet 68% 5 Great Egret 66% 6 Ring-billed Gull 63% 7 Sanderling 60% 8 Snowy Egret 60% 9 American Herring Gull 57% 10 White Ibis 56% 11 Great Blue Heron 54% 12 Neotropic Cormorant 54% 13 Osprey 50% 14 Black-bellied Plover 49% 15 Royal Tern 49% Share of complete checklists at this spot that reported the bird in November. The sparkline is the whole year, with this month highlighted.
Season by season Specialties Birds reported far more often here than across Texas.
Mangrove Cuckoo8.2% of checklists here vs 0.1% statewide: 926.7× Magnificent Frigatebird 15% of checklists here vs 0.3% statewide: 49.1× Clapper Rail 24% of checklists here vs 0.9% statewide: 27.0× Sandwich Tern 24% of checklists here vs 1.2% statewide: 20.3× Piping Plover 13% of checklists here vs 0.7% statewide: 18.5× Sanderling 43% of checklists here vs 2.4% statewide: 18.3× Black Skimmer 29% of checklists here vs 1.6% statewide: 18.1× Marbled Godwit 19% of checklists here vs 1.0% statewide: 18.0× Nearby spots 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 .