WhenToBird

Birding spot · Cass County, North Dakota

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

In November, the birds most often reported at Treefoil Park are Black-capped Chickadee (80%), American Robin (77%), and White-breasted Nuthatch (77%). It is busiest in spring, when 99 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (89 species). 168 species have been reported here across 1,125 complete checklists from 276 birders.

Species by week

020406080100Jan 1-7: low data (6 checklists)Jan 8-14: low data (2 checklists)Jan 15-21: low data (3 checklists)Jan 22-31: low data (2 checklists)Feb 1-7: low data (3 checklists)Feb 8-14: low data (3 checklists)Feb 15-21: low data (5 checklists)Feb 22-28: 21 species on 5%+ of 10 checklistsMar 1-7: low data (4 checklists)Mar 8-14: 29 species on 5%+ of 15 checklistsMar 15-21: 25 species on 5%+ of 11 checklistsMar 22-31: 27 species on 5%+ of 21 checklistsApr 1-7: 38 species on 5%+ of 29 checklistsApr 8-14: 63 species on 5%+ of 50 checklistsApr 15-21: 58 species on 5%+ of 33 checklistsApr 22-30: 62 species on 5%+ of 50 checklistsMay 1-7: 71 species on 5%+ of 107 checklistsMay 8-14: 82 species on 5%+ of 139 checklistsMay 15-21: 89 species on 5%+ of 168 checklistsMay 22-31: 85 species on 5%+ of 121 checklistsJun 1-7: 76 species on 5%+ of 20 checklistsJun 8-14: low data (8 checklists)Jun 15-21: low data (4 checklists)Jun 22-30: low data (5 checklists)Jul 1-7: low data (6 checklists)Jul 8-14: low data (8 checklists)Jul 15-21: low data (4 checklists)Jul 22-31: low data (5 checklists)Aug 1-7: low data (2 checklists)Aug 8-14: low data (5 checklists)Aug 15-21: 74 species on 5%+ of 15 checklistsAug 22-31: 76 species on 5%+ of 51 checklistsSep 1-7: 70 species on 5%+ of 39 checklistsSep 8-14: 84 species on 5%+ of 37 checklistsSep 15-21: 65 species on 5%+ of 21 checklistsSep 22-30: 65 species on 5%+ of 27 checklistsOct 1-7: 61 species on 5%+ of 19 checklistsOct 8-14: 44 species on 5%+ of 10 checklistsOct 15-21: low data (7 checklists)Oct 22-31: 46 species on 5%+ of 13 checklistsNov 1-7: low data (5 checklists)Nov 8-14: low data (6 checklists)Nov 15-21: low data (2 checklists)Nov 22-30: low data (5 checklists)Dec 1-7: low data (4 checklists)Dec 8-14: low data (3 checklists)Dec 15-21: low data (7 checklists)Dec 22-31: low data (5 checklists)JanFebMarAprMayJunJulAugSepOctNovDec
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. 1Black-capped Chickadee80%
  2. 2American Robin77%
  3. 3White-breasted Nuthatch77%
  4. 4American Crow73%
  5. 5Downy Woodpecker67%
  6. 6American Goldfinch60%
  7. 7Hairy Woodpecker56%
  8. 8Chipping Sparrow52%
  9. 9Northern Cardinal50%
  10. 10Mallard48%
  11. 11Northern Yellow Warbler46%
  12. 12American Redstart46%
  13. 13Song Sparrow43%
  14. 14Red-bellied Woodpecker42%
  15. 15Canada Goose41%

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 22 species

  1. Black-capped Chickadee85%
  2. Downy Woodpecker74%
  3. White-breasted Nuthatch74%
  4. American Crow70%
  5. Hairy Woodpecker62%

Spring 99 species

  1. American Robin83%
  2. Black-capped Chickadee81%
  3. American Crow78%
  4. White-breasted Nuthatch78%
  5. Downy Woodpecker67%

Summer 72 species

  1. American Redstart83%
  2. American Goldfinch76%
  3. Black-capped Chickadee72%
  4. Northern Yellow Warbler71%
  5. American Robin70%

Fall 77 species

  1. Black-capped Chickadee82%
  2. White-breasted Nuthatch77%
  3. American Robin69%
  4. Downy Woodpecker68%
  5. Northern Flicker66%

Specialties

Birds reported far more often here than across North Dakota.

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.