WhenToBird

Birding spot · San Diego County, California

Birding at Kendall Frost Mission Bay Marsh Reserve: What You'll See Each Week

In November, the birds most often reported at Kendall Frost Mission Bay Marsh Reserve are Black Phoebe (74%), American Wigeon (71%), and Willet (69%). It is busiest in winter, when 79 species turn up on at least 1 in 20 checklists, and species counts peak in late March (91 species). 173 species have been reported here across 1,584 complete checklists from 769 birders.

Species by week

020406080100Jan 1-7: 78 species on 5%+ of 75 checklistsJan 8-14: 81 species on 5%+ of 83 checklistsJan 15-21: 87 species on 5%+ of 58 checklistsJan 22-31: 71 species on 5%+ of 62 checklistsFeb 1-7: 78 species on 5%+ of 59 checklistsFeb 8-14: 76 species on 5%+ of 47 checklistsFeb 15-21: 69 species on 5%+ of 48 checklistsFeb 22-28: 78 species on 5%+ of 66 checklistsMar 1-7: 69 species on 5%+ of 30 checklistsMar 8-14: 69 species on 5%+ of 28 checklistsMar 15-21: 69 species on 5%+ of 23 checklistsMar 22-31: 91 species on 5%+ of 19 checklistsApr 1-7: 72 species on 5%+ of 12 checklistsApr 8-14: 64 species on 5%+ of 21 checklistsApr 15-21: 72 species on 5%+ of 16 checklistsApr 22-30: 70 species on 5%+ of 15 checklistsMay 1-7: 66 species on 5%+ of 12 checklistsMay 8-14: 51 species on 5%+ of 23 checklistsMay 15-21: 63 species on 5%+ of 13 checklistsMay 22-31: 42 species on 5%+ of 22 checklistsJun 1-7: 55 species on 5%+ of 12 checklistsJun 8-14: 55 species on 5%+ of 10 checklistsJun 15-21: 53 species on 5%+ of 11 checklistsJun 22-30: 56 species on 5%+ of 20 checklistsJul 1-7: 51 species on 5%+ of 10 checklistsJul 8-14: 62 species on 5%+ of 15 checklistsJul 15-21: 68 species on 5%+ of 20 checklistsJul 22-31: 56 species on 5%+ of 30 checklistsAug 1-7: 61 species on 5%+ of 15 checklistsAug 8-14: 52 species on 5%+ of 22 checklistsAug 15-21: 70 species on 5%+ of 17 checklistsAug 22-31: 60 species on 5%+ of 31 checklistsSep 1-7: 72 species on 5%+ of 14 checklistsSep 8-14: 69 species on 5%+ of 15 checklistsSep 15-21: 60 species on 5%+ of 10 checklistsSep 22-30: 54 species on 5%+ of 10 checklistsOct 1-7: 51 species on 5%+ of 27 checklistsOct 8-14: 51 species on 5%+ of 24 checklistsOct 15-21: 61 species on 5%+ of 13 checklistsOct 22-31: 69 species on 5%+ of 31 checklistsNov 1-7: 63 species on 5%+ of 43 checklistsNov 8-14: 77 species on 5%+ of 62 checklistsNov 15-21: 72 species on 5%+ of 63 checklistsNov 22-30: 82 species on 5%+ of 93 checklistsDec 1-7: 73 species on 5%+ of 63 checklistsDec 8-14: 72 species on 5%+ of 43 checklistsDec 15-21: 75 species on 5%+ of 29 checklistsDec 22-31: 88 species on 5%+ of 99 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 Phoebe74%
  2. 2American Wigeon71%
  3. 3Willet69%
  4. 4Great Egret68%
  5. 5Marbled Godwit66%
  6. 6Brant65%
  7. 7House Finch65%
  8. 8Great Blue Heron64%
  9. 9Anna's Hummingbird62%
  10. 10Mourning Dove62%
  11. 11Say's Phoebe62%
  12. 12White-crowned Sparrow62%
  13. 13Snowy Egret61%
  14. 14Belted Kingfisher60%
  15. 15Savannah Sparrow59%

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 79 species

  1. American Wigeon77%
  2. Anna's Hummingbird72%
  3. Marbled Godwit69%
  4. Willet68%
  5. Snowy Egret67%

Spring 74 species

  1. House Finch78%
  2. Mourning Dove68%
  3. Anna's Hummingbird65%
  4. Song Sparrow64%
  5. Snowy Egret64%

Summer 60 species

  1. Snowy Egret79%
  2. Western Gull77%
  3. Great Blue Heron68%
  4. American Crow67%
  5. Mourning Dove64%

Fall 78 species

  1. Black Phoebe72%
  2. Great Egret68%
  3. Willet66%
  4. Snowy Egret63%
  5. House Finch63%

Specialties

Birds reported far more often here than across California.

  • Nelson's Sparrow10% of checklists here vs 0.1% statewide: 369.9×
  • Little Blue Heron27% of checklists here vs 0.4% statewide: 62.3×
  • Brant46% of checklists here vs 0.9% statewide: 51.9×
  • Black Skimmer27% of checklists here vs 0.8% statewide: 32.1×
  • Sage Thrasher6.9% of checklists here vs 0.3% statewide: 27.3×
  • Red Knot6.1% of checklists here vs 0.3% statewide: 23.3×
  • Redhead21% of checklists here vs 1.1% statewide: 19.9×
  • Reddish Egret8.5% of checklists here vs 0.5% statewide: 16.5×

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.