WhenToBird

Birding spot · Snohomish County, Washington

Birding at Marysville Sewage Lagoon: What You'll See Each Week

In November, the birds most often reported at Marysville Sewage Lagoon are Ruddy Duck (97%), American Coot (95%), and Mallard (94%). It is busiest in fall, when 75 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of October (77 species). 159 species have been reported here across 1,523 complete checklists from 255 birders.

Species by week

020406080Jan 1-7: 63 species on 5%+ of 28 checklistsJan 8-14: 59 species on 5%+ of 36 checklistsJan 15-21: 61 species on 5%+ of 31 checklistsJan 22-31: 60 species on 5%+ of 29 checklistsFeb 1-7: 57 species on 5%+ of 24 checklistsFeb 8-14: 57 species on 5%+ of 25 checklistsFeb 15-21: 61 species on 5%+ of 37 checklistsFeb 22-28: 52 species on 5%+ of 22 checklistsMar 1-7: 56 species on 5%+ of 34 checklistsMar 8-14: 62 species on 5%+ of 20 checklistsMar 15-21: 55 species on 5%+ of 24 checklistsMar 22-31: 61 species on 5%+ of 28 checklistsApr 1-7: 57 species on 5%+ of 26 checklistsApr 8-14: 57 species on 5%+ of 21 checklistsApr 15-21: 66 species on 5%+ of 26 checklistsApr 22-30: 64 species on 5%+ of 25 checklistsMay 1-7: 72 species on 5%+ of 16 checklistsMay 8-14: 66 species on 5%+ of 28 checklistsMay 15-21: 62 species on 5%+ of 27 checklistsMay 22-31: 64 species on 5%+ of 49 checklistsJun 1-7: 59 species on 5%+ of 23 checklistsJun 8-14: 74 species on 5%+ of 18 checklistsJun 15-21: 55 species on 5%+ of 23 checklistsJun 22-30: 56 species on 5%+ of 25 checklistsJul 1-7: 64 species on 5%+ of 28 checklistsJul 8-14: 57 species on 5%+ of 27 checklistsJul 15-21: 67 species on 5%+ of 36 checklistsJul 22-31: 73 species on 5%+ of 35 checklistsAug 1-7: 65 species on 5%+ of 32 checklistsAug 8-14: 70 species on 5%+ of 36 checklistsAug 15-21: 67 species on 5%+ of 44 checklistsAug 22-31: 72 species on 5%+ of 40 checklistsSep 1-7: 59 species on 5%+ of 30 checklistsSep 8-14: 65 species on 5%+ of 30 checklistsSep 15-21: 76 species on 5%+ of 16 checklistsSep 22-30: 72 species on 5%+ of 58 checklistsOct 1-7: 64 species on 5%+ of 41 checklistsOct 8-14: 77 species on 5%+ of 33 checklistsOct 15-21: 68 species on 5%+ of 61 checklistsOct 22-31: 73 species on 5%+ of 54 checklistsNov 1-7: 70 species on 5%+ of 49 checklistsNov 8-14: 66 species on 5%+ of 36 checklistsNov 15-21: 67 species on 5%+ of 28 checklistsNov 22-30: 75 species on 5%+ of 36 checklistsDec 1-7: 66 species on 5%+ of 37 checklistsDec 8-14: 64 species on 5%+ of 25 checklistsDec 15-21: 60 species on 5%+ of 29 checklistsDec 22-31: 65 species on 5%+ of 37 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. 1Ruddy Duck97%
  2. 2American Coot95%
  3. 3Mallard94%
  4. 4Song Sparrow94%
  5. 5Ring-necked Duck93%
  6. 6American Crow91%
  7. 7Rock Pigeon91%
  8. 8European Starling88%
  9. 9American Robin85%
  10. 10Lesser Scaup84%
  11. 11Northern Shoveler83%
  12. 12Glaucous-winged Gull81%
  13. 13Great Blue Heron81%
  14. 14Northern Pintail76%
  15. 15Short-billed Gull72%

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 61 species

  1. Lesser Scaup94%
  2. Song Sparrow92%
  3. Ruddy Duck91%
  4. Mallard89%
  5. Ring-necked Duck88%

Spring 70 species

  1. Mallard97%
  2. Song Sparrow95%
  3. American Crow89%
  4. Red-winged Blackbird89%
  5. American Robin88%

Summer 66 species

  1. Mallard93%
  2. Great Blue Heron90%
  3. Song Sparrow89%
  4. Rock Pigeon84%
  5. Barn Swallow79%

Fall 75 species

  1. Mallard93%
  2. Song Sparrow92%
  3. American Coot88%
  4. Northern Shoveler88%
  5. Rock Pigeon87%

Specialties

Birds reported far more often here than across Washington.

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.