WhenToBird

Birding spot · Orange County, California

Birding at William R Mason Regional Park: What You'll See Each Week

In November, the birds most often reported at William R Mason Regional Park are American Coot (94%), Ruddy Duck (93%), and Black Phoebe (91%). It is busiest in spring, when 83 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (88 species). 193 species have been reported here across 2,364 complete checklists from 585 birders.

Species by week

020406080100Jan 1-7: 67 species on 5%+ of 104 checklistsJan 8-14: 69 species on 5%+ of 93 checklistsJan 15-21: 65 species on 5%+ of 85 checklistsJan 22-31: 69 species on 5%+ of 69 checklistsFeb 1-7: 65 species on 5%+ of 33 checklistsFeb 8-14: 66 species on 5%+ of 31 checklistsFeb 15-21: 56 species on 5%+ of 43 checklistsFeb 22-28: 72 species on 5%+ of 78 checklistsMar 1-7: 81 species on 5%+ of 39 checklistsMar 8-14: 72 species on 5%+ of 48 checklistsMar 15-21: 81 species on 5%+ of 60 checklistsMar 22-31: 72 species on 5%+ of 120 checklistsApr 1-7: 77 species on 5%+ of 74 checklistsApr 8-14: 84 species on 5%+ of 64 checklistsApr 15-21: 77 species on 5%+ of 41 checklistsApr 22-30: 84 species on 5%+ of 65 checklistsMay 1-7: 76 species on 5%+ of 34 checklistsMay 8-14: 77 species on 5%+ of 63 checklistsMay 15-21: 88 species on 5%+ of 34 checklistsMay 22-31: 69 species on 5%+ of 25 checklistsJun 1-7: 70 species on 5%+ of 18 checklistsJun 8-14: 63 species on 5%+ of 41 checklistsJun 15-21: 63 species on 5%+ of 25 checklistsJun 22-30: 56 species on 5%+ of 55 checklistsJul 1-7: 64 species on 5%+ of 32 checklistsJul 8-14: 66 species on 5%+ of 28 checklistsJul 15-21: 73 species on 5%+ of 17 checklistsJul 22-31: 71 species on 5%+ of 40 checklistsAug 1-7: 62 species on 5%+ of 37 checklistsAug 8-14: 61 species on 5%+ of 23 checklistsAug 15-21: 63 species on 5%+ of 23 checklistsAug 22-31: 73 species on 5%+ of 35 checklistsSep 1-7: 59 species on 5%+ of 49 checklistsSep 8-14: 63 species on 5%+ of 69 checklistsSep 15-21: 70 species on 5%+ of 49 checklistsSep 22-30: 73 species on 5%+ of 62 checklistsOct 1-7: 71 species on 5%+ of 51 checklistsOct 8-14: 74 species on 5%+ of 53 checklistsOct 15-21: 74 species on 5%+ of 35 checklistsOct 22-31: 76 species on 5%+ of 55 checklistsNov 1-7: 79 species on 5%+ of 18 checklistsNov 8-14: 67 species on 5%+ of 39 checklistsNov 15-21: 66 species on 5%+ of 28 checklistsNov 22-30: 71 species on 5%+ of 59 checklistsDec 1-7: 75 species on 5%+ of 51 checklistsDec 8-14: 76 species on 5%+ of 45 checklistsDec 15-21: 60 species on 5%+ of 75 checklistsDec 22-31: 69 species on 5%+ of 49 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. 1American Coot94%
  2. 2Ruddy Duck93%
  3. 3Black Phoebe91%
  4. 4Canada Goose90%
  5. 5Mallard87%
  6. 6Yellow-rumped Warbler85%
  7. 7American Crow83%
  8. 8Pied-billed Grebe76%
  9. 9Northern Shoveler74%
  10. 10Eared Grebe72%
  11. 11House Finch66%
  12. 12Allen's Hummingbird63%
  13. 13Nuttall's Woodpecker63%
  14. 14White-faced Ibis59%
  15. 15Song Sparrow56%

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 67 species

  1. Yellow-rumped Warbler89%
  2. Black Phoebe87%
  3. Canada Goose86%
  4. American Coot85%
  5. American Crow81%

Spring 83 species

  1. American Crow91%
  2. House Finch88%
  3. Song Sparrow88%
  4. Western Bluebird88%
  5. Black Phoebe87%

Summer 68 species

  1. Canada Goose93%
  2. Mallard93%
  3. American Crow93%
  4. Black Phoebe91%
  5. House Finch90%

Fall 72 species

  1. Black Phoebe92%
  2. American Coot88%
  3. Canada Goose88%
  4. American Crow87%
  5. Mallard87%

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.