WhenToBird

Birding spot · Cameron County, Texas

Birding at City of Harlingen Reservoir: What You'll See Each Week

In November, the birds most often reported at City of Harlingen Reservoir are Black-bellied Whistling-Duck (86%), American Coot (84%), and Double-crested Cormorant (83%). It is busiest in fall, when 63 species turn up on at least 1 in 20 checklists, and species counts peak in late November (72 species). 156 species have been reported here across 810 complete checklists from 264 birders.

Species by week

020406080Jan 1-7: 57 species on 5%+ of 47 checklistsJan 8-14: 56 species on 5%+ of 25 checklistsJan 15-21: 62 species on 5%+ of 39 checklistsJan 22-31: 63 species on 5%+ of 29 checklistsFeb 1-7: 47 species on 5%+ of 22 checklistsFeb 8-14: 64 species on 5%+ of 20 checklistsFeb 15-21: 54 species on 5%+ of 25 checklistsFeb 22-28: 60 species on 5%+ of 24 checklistsMar 1-7: 51 species on 5%+ of 25 checklistsMar 8-14: 62 species on 5%+ of 16 checklistsMar 15-21: 57 species on 5%+ of 11 checklistsMar 22-31: 67 species on 5%+ of 18 checklistsApr 1-7: 55 species on 5%+ of 11 checklistsApr 8-14: low data (4 checklists)Apr 15-21: 57 species on 5%+ of 10 checklistsApr 22-30: 49 species on 5%+ of 12 checklistsMay 1-7: low data (7 checklists)May 8-14: low data (8 checklists)May 15-21: low data (8 checklists)May 22-31: 60 species on 5%+ of 13 checklistsJun 1-7: 67 species on 5%+ of 11 checklistsJun 8-14: low data (8 checklists)Jun 15-21: 43 species on 5%+ of 11 checklistsJun 22-30: low data (9 checklists)Jul 1-7: 43 species on 5%+ of 11 checklistsJul 8-14: low data (5 checklists)Jul 15-21: 43 species on 5%+ of 12 checklistsJul 22-31: 50 species on 5%+ of 17 checklistsAug 1-7: 35 species on 5%+ of 11 checklistsAug 8-14: low data (7 checklists)Aug 15-21: low data (8 checklists)Aug 22-31: low data (9 checklists)Sep 1-7: 37 species on 5%+ of 10 checklistsSep 8-14: 46 species on 5%+ of 10 checklistsSep 15-21: low data (7 checklists)Sep 22-30: 53 species on 5%+ of 11 checklistsOct 1-7: low data (9 checklists)Oct 8-14: 45 species on 5%+ of 11 checklistsOct 15-21: 59 species on 5%+ of 11 checklistsOct 22-31: 70 species on 5%+ of 19 checklistsNov 1-7: 69 species on 5%+ of 48 checklistsNov 8-14: 61 species on 5%+ of 70 checklistsNov 15-21: 70 species on 5%+ of 15 checklistsNov 22-30: 72 species on 5%+ of 19 checklistsDec 1-7: 57 species on 5%+ of 27 checklistsDec 8-14: 63 species on 5%+ of 19 checklistsDec 15-21: 72 species on 5%+ of 13 checklistsDec 22-31: 63 species on 5%+ of 18 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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. 1Black-bellied Whistling-Duck86%
  2. 2American Coot84%
  3. 3Double-crested Cormorant83%
  4. 4Laughing Gull82%
  5. 5Neotropic Cormorant80%
  6. 6Great-tailed Grackle77%
  7. 7American White Pelican72%
  8. 8Snowy Egret66%
  9. 9Great Egret65%
  10. 10Forster's Tern63%
  11. 11Great Blue Heron63%
  12. 12Pied-billed Grebe63%
  13. 13Spotted Sandpiper60%
  14. 14Mottled Duck54%
  15. 15Lesser Scaup52%

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

Winter 58 species

  1. American Coot92%
  2. Double-crested Cormorant87%
  3. American White Pelican78%
  4. Black-bellied Whistling-Duck71%
  5. Neotropic Cormorant71%

Spring 55 species

  1. Laughing Gull83%
  2. Snowy Egret82%
  3. Neotropic Cormorant80%
  4. American Coot77%
  5. Great-tailed Grackle76%

Summer 49 species

  1. Neotropic Cormorant87%
  2. Great-tailed Grackle83%
  3. Snowy Egret82%
  4. Black-bellied Whistling-Duck79%
  5. Laughing Gull70%

Fall 63 species

  1. Black-bellied Whistling-Duck87%
  2. Laughing Gull80%
  3. Neotropic Cormorant76%
  4. Great-tailed Grackle74%
  5. Snowy Egret73%

Specialties

Birds reported far more often here than across Texas.

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.