WhenToBird

Birding spot · Multnomah County, Oregon

Birding at Errol Heights Property: What You'll See Each Week

In November, the birds most often reported at Errol Heights Property are Mallard (99%), Hooded Merganser (96%), and Song Sparrow (96%). It is busiest in spring, when 68 species turn up on at least 1 in 20 checklists, and species counts peak in mid September (66 species). 114 species have been reported here across 1,547 complete checklists from 259 birders.

Species by week

020406080Jan 1-7: 56 species on 5%+ of 31 checklistsJan 8-14: 54 species on 5%+ of 27 checklistsJan 15-21: 52 species on 5%+ of 24 checklistsJan 22-31: 54 species on 5%+ of 46 checklistsFeb 1-7: 53 species on 5%+ of 39 checklistsFeb 8-14: 60 species on 5%+ of 33 checklistsFeb 15-21: 57 species on 5%+ of 36 checklistsFeb 22-28: 53 species on 5%+ of 31 checklistsMar 1-7: 56 species on 5%+ of 43 checklistsMar 8-14: 56 species on 5%+ of 33 checklistsMar 15-21: 63 species on 5%+ of 38 checklistsMar 22-31: 59 species on 5%+ of 61 checklistsApr 1-7: 62 species on 5%+ of 31 checklistsApr 8-14: 62 species on 5%+ of 29 checklistsApr 15-21: 62 species on 5%+ of 34 checklistsApr 22-30: 65 species on 5%+ of 66 checklistsMay 1-7: 64 species on 5%+ of 50 checklistsMay 8-14: 61 species on 5%+ of 44 checklistsMay 15-21: 59 species on 5%+ of 35 checklistsMay 22-31: 59 species on 5%+ of 39 checklistsJun 1-7: 59 species on 5%+ of 16 checklistsJun 8-14: 54 species on 5%+ of 20 checklistsJun 15-21: 50 species on 5%+ of 16 checklistsJun 22-30: 46 species on 5%+ of 32 checklistsJul 1-7: 53 species on 5%+ of 15 checklistsJul 8-14: 44 species on 5%+ of 13 checklistsJul 15-21: 44 species on 5%+ of 11 checklistsJul 22-31: 47 species on 5%+ of 16 checklistsAug 1-7: 57 species on 5%+ of 12 checklistsAug 8-14: 45 species on 5%+ of 11 checklistsAug 15-21: 50 species on 5%+ of 12 checklistsAug 22-31: 50 species on 5%+ of 24 checklistsSep 1-7: 50 species on 5%+ of 28 checklistsSep 8-14: 48 species on 5%+ of 21 checklistsSep 15-21: 66 species on 5%+ of 20 checklistsSep 22-30: 59 species on 5%+ of 32 checklistsOct 1-7: 59 species on 5%+ of 24 checklistsOct 8-14: 56 species on 5%+ of 35 checklistsOct 15-21: 53 species on 5%+ of 29 checklistsOct 22-31: 55 species on 5%+ of 43 checklistsNov 1-7: 59 species on 5%+ of 29 checklistsNov 8-14: 55 species on 5%+ of 45 checklistsNov 15-21: 56 species on 5%+ of 45 checklistsNov 22-30: 55 species on 5%+ of 53 checklistsDec 1-7: 57 species on 5%+ of 35 checklistsDec 8-14: 59 species on 5%+ of 34 checklistsDec 15-21: 52 species on 5%+ of 43 checklistsDec 22-31: 54 species on 5%+ of 63 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. 1Mallard99%
  2. 2Hooded Merganser96%
  3. 3Song Sparrow96%
  4. 4American Crow93%
  5. 5Gadwall92%
  6. 6Northern Flicker86%
  7. 7Black-capped Chickadee80%
  8. 8Bufflehead75%
  9. 9Rock Pigeon72%
  10. 10Wood Duck72%
  11. 11Golden-crowned Sparrow70%
  12. 12Steller's Jay68%
  13. 13Ruby-crowned Kinglet67%
  14. 14American Wigeon65%
  15. 15Downy Woodpecker64%

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 56 species

  1. Mallard98%
  2. American Crow94%
  3. Song Sparrow93%
  4. Gadwall88%
  5. Bufflehead86%

Spring 68 species

  1. Mallard99%
  2. Song Sparrow98%
  3. Canada Goose96%
  4. American Crow96%
  5. Gadwall92%

Summer 54 species

  1. Mallard99%
  2. American Crow97%
  3. Song Sparrow96%
  4. Black-capped Chickadee82%
  5. Northern Flicker81%

Fall 58 species

  1. Mallard98%
  2. Song Sparrow95%
  3. American Crow94%
  4. Gadwall91%
  5. Black-capped Chickadee85%

Specialties

Birds reported far more often here than across Oregon.

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.