WhenToBird

Birding spot · Washington County, Oregon

Birding at Willamette Ridge: What You'll See Each Week

In November, the birds most often reported at Willamette Ridge are Mallard (96%), Gadwall (88%), and American Wigeon (75%). It is busiest in spring, when 58 species turn up on at least 1 in 20 checklists, and species counts peak in early April (61 species). 105 species have been reported here across 1,047 complete checklists from 118 birders.

Species by week

020406080Jan 1-7: 39 species on 5%+ of 21 checklistsJan 8-14: 31 species on 5%+ of 23 checklistsJan 15-21: 47 species on 5%+ of 21 checklistsJan 22-31: 42 species on 5%+ of 27 checklistsFeb 1-7: 40 species on 5%+ of 25 checklistsFeb 8-14: 35 species on 5%+ of 25 checklistsFeb 15-21: 45 species on 5%+ of 42 checklistsFeb 22-28: 42 species on 5%+ of 34 checklistsMar 1-7: 41 species on 5%+ of 30 checklistsMar 8-14: 51 species on 5%+ of 29 checklistsMar 15-21: 47 species on 5%+ of 26 checklistsMar 22-31: 47 species on 5%+ of 36 checklistsApr 1-7: 61 species on 5%+ of 37 checklistsApr 8-14: 50 species on 5%+ of 26 checklistsApr 15-21: 55 species on 5%+ of 29 checklistsApr 22-30: 59 species on 5%+ of 44 checklistsMay 1-7: 60 species on 5%+ of 35 checklistsMay 8-14: 57 species on 5%+ of 43 checklistsMay 15-21: 58 species on 5%+ of 28 checklistsMay 22-31: 52 species on 5%+ of 22 checklistsJun 1-7: 53 species on 5%+ of 23 checklistsJun 8-14: 50 species on 5%+ of 17 checklistsJun 15-21: 42 species on 5%+ of 11 checklistsJun 22-30: 45 species on 5%+ of 25 checklistsJul 1-7: 50 species on 5%+ of 19 checklistsJul 8-14: 43 species on 5%+ of 17 checklistsJul 15-21: 48 species on 5%+ of 16 checklistsJul 22-31: 31 species on 5%+ of 16 checklistsAug 1-7: 41 species on 5%+ of 15 checklistsAug 8-14: 41 species on 5%+ of 15 checklistsAug 15-21: 46 species on 5%+ of 17 checklistsAug 22-31: 38 species on 5%+ of 18 checklistsSep 1-7: low data (8 checklists)Sep 8-14: 57 species on 5%+ of 12 checklistsSep 15-21: 41 species on 5%+ of 11 checklistsSep 22-30: 53 species on 5%+ of 28 checklistsOct 1-7: 42 species on 5%+ of 22 checklistsOct 8-14: 50 species on 5%+ of 25 checklistsOct 15-21: 41 species on 5%+ of 13 checklistsOct 22-31: 52 species on 5%+ of 19 checklistsNov 1-7: 36 species on 5%+ of 16 checklistsNov 8-14: 33 species on 5%+ of 10 checklistsNov 15-21: 39 species on 5%+ of 17 checklistsNov 22-30: low data (9 checklists)Dec 1-7: 29 species on 5%+ of 12 checklistsDec 8-14: 27 species on 5%+ of 11 checklistsDec 15-21: 41 species on 5%+ of 10 checklistsDec 22-31: 44 species on 5%+ of 12 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. 1Mallard96%
  2. 2Gadwall88%
  3. 3American Wigeon75%
  4. 4Hooded Merganser65%
  5. 5Bufflehead60%
  6. 6Great Blue Heron58%
  7. 7Belted Kingfisher54%
  8. 8Song Sparrow46%
  9. 9Ring-necked Duck37%
  10. 10Northern Flicker33%
  11. 11Black-capped Chickadee29%
  12. 12Ruby-crowned Kinglet29%
  13. 13Dark-eyed Junco27%
  14. 14Spotted Towhee27%
  15. 15American Robin25%

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 44 species

  1. Mallard95%
  2. Gadwall86%
  3. Bufflehead73%
  4. Hooded Merganser69%
  5. Ring-necked Duck63%

Spring 58 species

  1. Mallard95%
  2. American Robin86%
  3. Gadwall86%
  4. Red-winged Blackbird82%
  5. Song Sparrow78%

Summer 44 species

  1. Mallard90%
  2. Song Sparrow76%
  3. American Robin60%
  4. Red-winged Blackbird44%
  5. Great Blue Heron43%

Fall 52 species

  1. Mallard93%
  2. Gadwall67%
  3. American Wigeon55%
  4. Song Sparrow55%
  5. Belted Kingfisher52%

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.