WhenToBird

Birding spot · Contra Costa County, California

Birding at Point Isabel: What You'll See Each Week

In November, the birds most often reported at Point Isabel are White-crowned Sparrow (80%), Western Gull (77%), and Double-crested Cormorant (76%). It is busiest in winter, when 77 species turn up on at least 1 in 20 checklists, and species counts peak in mid November (87 species). 161 species have been reported here across 1,216 complete checklists from 432 birders.

Species by week

020406080100Jan 1-7: 70 species on 5%+ of 45 checklistsJan 8-14: 78 species on 5%+ of 31 checklistsJan 15-21: 73 species on 5%+ of 24 checklistsJan 22-31: 68 species on 5%+ of 45 checklistsFeb 1-7: 76 species on 5%+ of 38 checklistsFeb 8-14: 71 species on 5%+ of 47 checklistsFeb 15-21: 61 species on 5%+ of 33 checklistsFeb 22-28: 73 species on 5%+ of 30 checklistsMar 1-7: 79 species on 5%+ of 18 checklistsMar 8-14: 82 species on 5%+ of 17 checklistsMar 15-21: 73 species on 5%+ of 28 checklistsMar 22-31: 71 species on 5%+ of 33 checklistsApr 1-7: 73 species on 5%+ of 17 checklistsApr 8-14: 77 species on 5%+ of 17 checklistsApr 15-21: 72 species on 5%+ of 13 checklistsApr 22-30: 84 species on 5%+ of 18 checklistsMay 1-7: 59 species on 5%+ of 16 checklistsMay 8-14: 52 species on 5%+ of 14 checklistsMay 15-21: low data (7 checklists)May 22-31: 51 species on 5%+ of 11 checklistsJun 1-7: low data (4 checklists)Jun 8-14: low data (9 checklists)Jun 15-21: 41 species on 5%+ of 15 checklistsJun 22-30: low data (9 checklists)Jul 1-7: 42 species on 5%+ of 22 checklistsJul 8-14: 50 species on 5%+ of 23 checklistsJul 15-21: 61 species on 5%+ of 13 checklistsJul 22-31: 53 species on 5%+ of 27 checklistsAug 1-7: 59 species on 5%+ of 18 checklistsAug 8-14: 53 species on 5%+ of 43 checklistsAug 15-21: 52 species on 5%+ of 14 checklistsAug 22-31: 49 species on 5%+ of 27 checklistsSep 1-7: 56 species on 5%+ of 26 checklistsSep 8-14: 71 species on 5%+ of 12 checklistsSep 15-21: 72 species on 5%+ of 16 checklistsSep 22-30: 71 species on 5%+ of 31 checklistsOct 1-7: 66 species on 5%+ of 32 checklistsOct 8-14: 80 species on 5%+ of 38 checklistsOct 15-21: 84 species on 5%+ of 29 checklistsOct 22-31: 75 species on 5%+ of 34 checklistsNov 1-7: 76 species on 5%+ of 31 checklistsNov 8-14: 75 species on 5%+ of 41 checklistsNov 15-21: 87 species on 5%+ of 18 checklistsNov 22-30: 74 species on 5%+ of 42 checklistsDec 1-7: 77 species on 5%+ of 29 checklistsDec 8-14: 79 species on 5%+ of 33 checklistsDec 15-21: 81 species on 5%+ of 27 checklistsDec 22-31: 84 species on 5%+ of 51 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. 1White-crowned Sparrow80%
  2. 2Western Gull77%
  3. 3Double-crested Cormorant76%
  4. 4American Crow73%
  5. 5American Coot63%
  6. 6Willet60%
  7. 7Bufflehead59%
  8. 8Snowy Egret57%
  9. 9Brown Pelican55%
  10. 10Yellow-rumped Warbler53%
  11. 11American Wigeon52%
  12. 12Rock Pigeon52%
  13. 13House Finch48%
  14. 14Black Phoebe47%
  15. 15Marbled Godwit45%

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 77 species

  1. American Wigeon77%
  2. Bufflehead73%
  3. American Crow68%
  4. White-crowned Sparrow68%
  5. Western Gull67%

Spring 72 species

  1. American Crow78%
  2. Western Gull70%
  3. Snowy Egret67%
  4. Mallard58%
  5. Willet58%

Summer 53 species

  1. Western Gull81%
  2. American Crow69%
  3. Brown Pelican64%
  4. Snowy Egret64%
  5. Willet60%

Fall 77 species

  1. Western Gull76%
  2. American Crow71%
  3. Double-crested Cormorant69%
  4. White-crowned Sparrow69%
  5. Willet57%

Specialties

Birds reported far more often here than across California.

  • Burrowing Owl14% of checklists here vs 0.5% statewide: 26.5×
  • Greater Scaup31% of checklists here vs 1.5% statewide: 20.2×
  • Horned Grebe18% of checklists here vs 1.4% statewide: 12.7×
  • Clark's Grebe30% of checklists here vs 2.5% statewide: 12.2×
  • Dunlin18% of checklists here vs 1.7% statewide: 10.9×
  • Marbled Godwit50% of checklists here vs 4.9% statewide: 10.2×
  • Willet61% of checklists here vs 6.4% statewide: 9.6×
  • Hudsonian Whimbrel33% of checklists here vs 3.8% statewide: 8.7×

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.