WhenToBird

Birding spot · Orange County, California

Birding at Irvine Regional Park: What You'll See Each Week

In November, the birds most often reported at Irvine Regional Park are Acorn Woodpecker (94%), Yellow-rumped Warbler (93%), and Common Raven (88%). It is busiest in spring, when 99 species turn up on at least 1 in 20 checklists, and species counts peak in early April (99 species). 199 species have been reported here across 5,805 complete checklists from 1,399 birders.

Species by week

020406080100Jan 1-7: 76 species on 5%+ of 231 checklistsJan 8-14: 81 species on 5%+ of 192 checklistsJan 15-21: 74 species on 5%+ of 218 checklistsJan 22-31: 76 species on 5%+ of 287 checklistsFeb 1-7: 73 species on 5%+ of 163 checklistsFeb 8-14: 71 species on 5%+ of 168 checklistsFeb 15-21: 73 species on 5%+ of 179 checklistsFeb 22-28: 81 species on 5%+ of 125 checklistsMar 1-7: 78 species on 5%+ of 149 checklistsMar 8-14: 75 species on 5%+ of 141 checklistsMar 15-21: 83 species on 5%+ of 134 checklistsMar 22-31: 77 species on 5%+ of 187 checklistsApr 1-7: 99 species on 5%+ of 138 checklistsApr 8-14: 90 species on 5%+ of 142 checklistsApr 15-21: 95 species on 5%+ of 134 checklistsApr 22-30: 95 species on 5%+ of 186 checklistsMay 1-7: 92 species on 5%+ of 152 checklistsMay 8-14: 92 species on 5%+ of 116 checklistsMay 15-21: 82 species on 5%+ of 127 checklistsMay 22-31: 80 species on 5%+ of 118 checklistsJun 1-7: 77 species on 5%+ of 99 checklistsJun 8-14: 69 species on 5%+ of 72 checklistsJun 15-21: 73 species on 5%+ of 86 checklistsJun 22-30: 76 species on 5%+ of 111 checklistsJul 1-7: 62 species on 5%+ of 46 checklistsJul 8-14: 64 species on 5%+ of 77 checklistsJul 15-21: 63 species on 5%+ of 63 checklistsJul 22-31: 68 species on 5%+ of 77 checklistsAug 1-7: 61 species on 5%+ of 43 checklistsAug 8-14: 59 species on 5%+ of 33 checklistsAug 15-21: 51 species on 5%+ of 25 checklistsAug 22-31: 53 species on 5%+ of 47 checklistsSep 1-7: 56 species on 5%+ of 34 checklistsSep 8-14: 61 species on 5%+ of 43 checklistsSep 15-21: 64 species on 5%+ of 51 checklistsSep 22-30: 67 species on 5%+ of 59 checklistsOct 1-7: 78 species on 5%+ of 56 checklistsOct 8-14: 68 species on 5%+ of 66 checklistsOct 15-21: 58 species on 5%+ of 177 checklistsOct 22-31: 69 species on 5%+ of 135 checklistsNov 1-7: 71 species on 5%+ of 105 checklistsNov 8-14: 73 species on 5%+ of 139 checklistsNov 15-21: 72 species on 5%+ of 159 checklistsNov 22-30: 77 species on 5%+ of 218 checklistsDec 1-7: 73 species on 5%+ of 107 checklistsDec 8-14: 74 species on 5%+ of 103 checklistsDec 15-21: 81 species on 5%+ of 116 checklistsDec 22-31: 78 species on 5%+ of 171 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. 1Acorn Woodpecker94%
  2. 2Yellow-rumped Warbler93%
  3. 3Common Raven88%
  4. 4Black Phoebe84%
  5. 5White-crowned Sparrow84%
  6. 6American Crow66%
  7. 7Mallard66%
  8. 8Oak Titmouse64%
  9. 9House Finch63%
  10. 10Mourning Dove60%
  11. 11Western Bluebird60%
  12. 12American Coot60%
  13. 13European Starling59%
  14. 14California Towhee59%
  15. 15Indian Peafowl57%

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 74 species

  1. Acorn Woodpecker94%
  2. Common Raven87%
  3. Yellow-rumped Warbler87%
  4. White-crowned Sparrow82%
  5. Black Phoebe78%

Spring 99 species

  1. Acorn Woodpecker93%
  2. Common Raven86%
  3. California Towhee79%
  4. European Starling79%
  5. House Finch73%

Summer 73 species

  1. Acorn Woodpecker94%
  2. Common Raven89%
  3. California Towhee74%
  4. Black Phoebe73%
  5. House Finch71%

Fall 69 species

  1. Acorn Woodpecker93%
  2. Common Raven87%
  3. Black Phoebe80%
  4. Yellow-rumped Warbler80%
  5. White-crowned Sparrow67%

Specialties

Birds reported far more often here than across California.

  • Mandarin Duck17% of checklists here vs 0.1% statewide: 234.9×
  • Indian Peafowl56% of checklists here vs 0.4% statewide: 145.9×
  • Lilac-crowned Amazon8.7% of checklists here vs 0.1% statewide: 65.7×
  • Red-crowned Amazon44% of checklists here vs 1.0% statewide: 42.2×
  • Lesser Nighthawk5.7% of checklists here vs 0.2% statewide: 36.2×
  • Egyptian Goose38% of checklists here vs 1.0% statewide: 36.2×
  • Wood Duck44% of checklists here vs 2.1% statewide: 21.3×
  • Western Screech-Owl6.0% of checklists here vs 0.3% statewide: 20.8×

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.