WhenToBird

Birding spot · San Mateo County, California

Birding at Pescadero Marsh Natural Preserve: What You'll See Each Week

In November, the birds most often reported at Pescadero Marsh Natural Preserve are Bufflehead (87%), Northern Shoveler (76%), and Great Egret (72%). It is busiest in spring, when 88 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (108 species). 203 species have been reported here across 1,403 complete checklists from 660 birders.

Species by week

0255075100125Jan 1-7: 96 species on 5%+ of 57 checklistsJan 8-14: 90 species on 5%+ of 39 checklistsJan 15-21: 80 species on 5%+ of 43 checklistsJan 22-31: 73 species on 5%+ of 43 checklistsFeb 1-7: 60 species on 5%+ of 26 checklistsFeb 8-14: 67 species on 5%+ of 28 checklistsFeb 15-21: 91 species on 5%+ of 16 checklistsFeb 22-28: 66 species on 5%+ of 21 checklistsMar 1-7: 76 species on 5%+ of 28 checklistsMar 8-14: 60 species on 5%+ of 23 checklistsMar 15-21: 105 species on 5%+ of 17 checklistsMar 22-31: 102 species on 5%+ of 34 checklistsApr 1-7: 91 species on 5%+ of 18 checklistsApr 8-14: 65 species on 5%+ of 22 checklistsApr 15-21: 98 species on 5%+ of 12 checklistsApr 22-30: 71 species on 5%+ of 21 checklistsMay 1-7: 84 species on 5%+ of 24 checklistsMay 8-14: 108 species on 5%+ of 18 checklistsMay 15-21: 85 species on 5%+ of 15 checklistsMay 22-31: 86 species on 5%+ of 16 checklistsJun 1-7: 98 species on 5%+ of 17 checklistsJun 8-14: 68 species on 5%+ of 16 checklistsJun 15-21: 54 species on 5%+ of 15 checklistsJun 22-30: 72 species on 5%+ of 11 checklistsJul 1-7: 66 species on 5%+ of 33 checklistsJul 8-14: 61 species on 5%+ of 12 checklistsJul 15-21: 67 species on 5%+ of 27 checklistsJul 22-31: 55 species on 5%+ of 63 checklistsAug 1-7: 63 species on 5%+ of 29 checklistsAug 8-14: 68 species on 5%+ of 33 checklistsAug 15-21: 70 species on 5%+ of 43 checklistsAug 22-31: 63 species on 5%+ of 62 checklistsSep 1-7: 84 species on 5%+ of 34 checklistsSep 8-14: 65 species on 5%+ of 23 checklistsSep 15-21: 80 species on 5%+ of 22 checklistsSep 22-30: 101 species on 5%+ of 17 checklistsOct 1-7: 70 species on 5%+ of 21 checklistsOct 8-14: 67 species on 5%+ of 25 checklistsOct 15-21: 82 species on 5%+ of 30 checklistsOct 22-31: 85 species on 5%+ of 31 checklistsNov 1-7: 80 species on 5%+ of 23 checklistsNov 8-14: 80 species on 5%+ of 40 checklistsNov 15-21: 84 species on 5%+ of 45 checklistsNov 22-30: 107 species on 5%+ of 40 checklistsDec 1-7: 66 species on 5%+ of 81 checklistsDec 8-14: 65 species on 5%+ of 28 checklistsDec 15-21: 81 species on 5%+ of 24 checklistsDec 22-31: 89 species on 5%+ of 37 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. 1Bufflehead87%
  2. 2Northern Shoveler76%
  3. 3Great Egret72%
  4. 4Black Phoebe70%
  5. 5American Coot70%
  6. 6Mallard70%
  7. 7American Wigeon56%
  8. 8Brown Pelican55%
  9. 9Double-crested Cormorant54%
  10. 10Great Blue Heron53%
  11. 11Western Gull53%
  12. 12Song Sparrow52%
  13. 13Turkey Vulture49%
  14. 14Red-tailed Hawk46%
  15. 15Green-winged Teal45%

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 76 species

  1. Bufflehead88%
  2. Mallard62%
  3. Great Egret61%
  4. American Coot61%
  5. Snowy Egret56%

Spring 88 species

  1. Mallard78%
  2. Bufflehead72%
  3. Song Sparrow65%
  4. Canada Goose60%
  5. Western Gull58%

Summer 73 species

  1. Caspian Tern83%
  2. Western Gull72%
  3. Common Merganser62%
  4. Great Blue Heron53%
  5. Song Sparrow52%

Fall 88 species

  1. Mallard61%
  2. Great Egret61%
  3. Black Phoebe60%
  4. Western Gull55%
  5. Great Blue Heron55%

Specialties

Birds reported far more often here than across California.

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.