WhenToBird

Birding spot · Dubuque County, Iowa

Birding at John Deere Marsh: What You'll See Each Week

In November, the birds most often reported at John Deere Marsh are Ring-billed Gull (79%), Mallard (79%), and Bald Eagle (72%). It is busiest in spring, when 114 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (122 species). 237 species have been reported here across 1,952 complete checklists from 251 birders.

Species by week

0255075100125Jan 1-7: 58 species on 5%+ of 58 checklistsJan 8-14: 37 species on 5%+ of 23 checklistsJan 15-21: 58 species on 5%+ of 15 checklistsJan 22-31: 43 species on 5%+ of 26 checklistsFeb 1-7: 51 species on 5%+ of 16 checklistsFeb 8-14: 43 species on 5%+ of 21 checklistsFeb 15-21: 52 species on 5%+ of 30 checklistsFeb 22-28: 54 species on 5%+ of 45 checklistsMar 1-7: 61 species on 5%+ of 50 checklistsMar 8-14: 62 species on 5%+ of 45 checklistsMar 15-21: 68 species on 5%+ of 43 checklistsMar 22-31: 72 species on 5%+ of 54 checklistsApr 1-7: 81 species on 5%+ of 51 checklistsApr 8-14: 84 species on 5%+ of 52 checklistsApr 15-21: 87 species on 5%+ of 65 checklistsApr 22-30: 97 species on 5%+ of 119 checklistsMay 1-7: 111 species on 5%+ of 99 checklistsMay 8-14: 113 species on 5%+ of 79 checklistsMay 15-21: 122 species on 5%+ of 80 checklistsMay 22-31: 98 species on 5%+ of 70 checklistsJun 1-7: 90 species on 5%+ of 39 checklistsJun 8-14: 72 species on 5%+ of 23 checklistsJun 15-21: 84 species on 5%+ of 18 checklistsJun 22-30: 78 species on 5%+ of 24 checklistsJul 1-7: 75 species on 5%+ of 27 checklistsJul 8-14: 78 species on 5%+ of 23 checklistsJul 15-21: 84 species on 5%+ of 15 checklistsJul 22-31: 83 species on 5%+ of 38 checklistsAug 1-7: 84 species on 5%+ of 26 checklistsAug 8-14: 83 species on 5%+ of 28 checklistsAug 15-21: 79 species on 5%+ of 23 checklistsAug 22-31: 83 species on 5%+ of 35 checklistsSep 1-7: 87 species on 5%+ of 17 checklistsSep 8-14: 85 species on 5%+ of 26 checklistsSep 15-21: 80 species on 5%+ of 25 checklistsSep 22-30: 89 species on 5%+ of 46 checklistsOct 1-7: 75 species on 5%+ of 45 checklistsOct 8-14: 84 species on 5%+ of 38 checklistsOct 15-21: 78 species on 5%+ of 31 checklistsOct 22-31: 73 species on 5%+ of 63 checklistsNov 1-7: 68 species on 5%+ of 46 checklistsNov 8-14: 66 species on 5%+ of 43 checklistsNov 15-21: 63 species on 5%+ of 25 checklistsNov 22-30: 67 species on 5%+ of 37 checklistsDec 1-7: 60 species on 5%+ of 30 checklistsDec 8-14: 58 species on 5%+ of 42 checklistsDec 15-21: 58 species on 5%+ of 32 checklistsDec 22-31: 57 species on 5%+ of 46 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. 1Ring-billed Gull79%
  2. 2Mallard79%
  3. 3Bald Eagle72%
  4. 4Dark-eyed Junco71%
  5. 5American Goldfinch68%
  6. 6Canada Goose68%
  7. 7Black-capped Chickadee67%
  8. 8Northern Cardinal67%
  9. 9Bufflehead65%
  10. 10American Coot60%
  11. 11Gadwall59%
  12. 12Red-bellied Woodpecker59%
  13. 13American Tree Sparrow58%
  14. 14Downy Woodpecker58%
  15. 15Green-winged Teal58%

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 58 species

  1. Canada Goose78%
  2. Black-capped Chickadee77%
  3. American Tree Sparrow76%
  4. Northern Cardinal76%
  5. Dark-eyed Junco76%

Spring 114 species

  1. Canada Goose93%
  2. Red-winged Blackbird90%
  3. American Robin82%
  4. Song Sparrow76%
  5. Mourning Dove76%

Summer 85 species

  1. Red-winged Blackbird93%
  2. American Robin90%
  3. Mourning Dove90%
  4. Gray Catbird89%
  5. American White Pelican85%

Fall 92 species

  1. Ring-billed Gull78%
  2. American Goldfinch74%
  3. Northern Cardinal74%
  4. Canada Goose74%
  5. Black-capped Chickadee71%

Specialties

Birds reported far more often here than across Iowa.

  • American Black Duck5.3% of checklists here vs 0.3% statewide: 15.7×
  • Sandhill Crane36% of checklists here vs 2.5% statewide: 14.1×
  • Sora17% of checklists here vs 1.3% statewide: 13.5×
  • Prothonotary Warbler7.2% of checklists here vs 0.7% statewide: 10.7×
  • Canvasback19% of checklists here vs 1.9% statewide: 10.0×
  • Dunlin5.9% of checklists here vs 0.7% statewide: 8.4×
  • Great Egret26% of checklists here vs 3.4% statewide: 7.7×
  • Marsh Wren13% of checklists here vs 1.8% statewide: 7.3×

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.