WhenToBird

Birding spot · Winnebago County, Wisconsin

Birding at Jefferson Park: What You'll See Each Week

In November, the birds most often reported at Jefferson Park are Mallard (95%), Bufflehead (93%), and Canada Goose (92%). It is busiest in spring, when 47 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of April (57 species). 100 species have been reported here across 847 complete checklists from 136 birders.

Species by week

0204060Jan 1-7: 31 species on 5%+ of 59 checklistsJan 8-14: 21 species on 5%+ of 34 checklistsJan 15-21: 35 species on 5%+ of 39 checklistsJan 22-31: 24 species on 5%+ of 43 checklistsFeb 1-7: 26 species on 5%+ of 28 checklistsFeb 8-14: 29 species on 5%+ of 36 checklistsFeb 15-21: 31 species on 5%+ of 41 checklistsFeb 22-28: 34 species on 5%+ of 27 checklistsMar 1-7: 43 species on 5%+ of 37 checklistsMar 8-14: 40 species on 5%+ of 35 checklistsMar 15-21: 45 species on 5%+ of 33 checklistsMar 22-31: 45 species on 5%+ of 30 checklistsApr 1-7: 46 species on 5%+ of 18 checklistsApr 8-14: 57 species on 5%+ of 17 checklistsApr 15-21: 56 species on 5%+ of 17 checklistsApr 22-30: 47 species on 5%+ of 12 checklistsMay 1-7: low data (4 checklists)May 8-14: low data (7 checklists)May 15-21: low data (2 checklists)May 22-31: low data (2 checklists)Jun 1-7: low data (6 checklists)Jun 8-14: low data (4 checklists)Jun 15-21: low data (3 checklists)Jun 22-30: low data (4 checklists)Jul 1-7: low data (0 checklists)Jul 8-14: low data (4 checklists)Jul 15-21: low data (2 checklists)Jul 22-31: low data (2 checklists)Aug 1-7: low data (0 checklists)Aug 8-14: low data (0 checklists)Aug 15-21: low data (2 checklists)Aug 22-31: low data (1 checklists)Sep 1-7: low data (0 checklists)Sep 8-14: low data (1 checklists)Sep 15-21: low data (2 checklists)Sep 22-30: low data (4 checklists)Oct 1-7: 40 species on 5%+ of 13 checklistsOct 8-14: 36 species on 5%+ of 11 checklistsOct 15-21: 43 species on 5%+ of 21 checklistsOct 22-31: 44 species on 5%+ of 29 checklistsNov 1-7: 39 species on 5%+ of 24 checklistsNov 8-14: 32 species on 5%+ of 27 checklistsNov 15-21: 28 species on 5%+ of 27 checklistsNov 22-30: 27 species on 5%+ of 42 checklistsDec 1-7: 36 species on 5%+ of 13 checklistsDec 8-14: 27 species on 5%+ of 25 checklistsDec 15-21: 23 species on 5%+ of 23 checklistsDec 22-31: 30 species on 5%+ of 36 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. 1Mallard95%
  2. 2Bufflehead93%
  3. 3Canada Goose92%
  4. 4Common Goldeneye65%
  5. 5Ruddy Duck63%
  6. 6Lesser Scaup57%
  7. 7American Crow48%
  8. 8Common Merganser43%
  9. 9Hooded Merganser43%
  10. 10Ring-billed Gull43%
  11. 11American Herring Gull41%
  12. 12Redhead38%
  13. 13House Sparrow30%
  14. 14House Finch22%
  15. 15Bald Eagle20%

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 30 species

  1. Common Goldeneye97%
  2. Mallard94%
  3. Canada Goose88%
  4. Common Merganser75%
  5. Redhead52%

Spring 47 species

  1. Canada Goose94%
  2. Mallard93%
  3. Common Merganser64%
  4. Common Goldeneye63%
  5. American Robin63%

Summer 0 species

    Fall 40 species

    1. Mallard95%
    2. Canada Goose91%
    3. Bufflehead74%
    4. Ruddy Duck59%
    5. Ring-billed Gull50%

    Specialties

    Birds reported far more often here than across Wisconsin.

    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.