WhenToBird

Birding spot · Lake County, Montana

Birding at Ninepipe Reservoir: What You'll See Each Week

In November, the birds most often reported at Ninepipe Reservoir are Canada Goose (86%), Mallard (83%), and Black-billed Magpie (76%). It is busiest in summer, when 76 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of August (88 species). 170 species have been reported here across 1,128 complete checklists from 523 birders.

Species by week

020406080100Jan 1-7: low data (5 checklists)Jan 8-14: low data (8 checklists)Jan 15-21: low data (4 checklists)Jan 22-31: low data (9 checklists)Feb 1-7: 31 species on 5%+ of 10 checklistsFeb 8-14: 37 species on 5%+ of 11 checklistsFeb 15-21: 34 species on 5%+ of 13 checklistsFeb 22-28: 37 species on 5%+ of 12 checklistsMar 1-7: 46 species on 5%+ of 15 checklistsMar 8-14: 45 species on 5%+ of 19 checklistsMar 15-21: 45 species on 5%+ of 21 checklistsMar 22-31: 52 species on 5%+ of 39 checklistsApr 1-7: 55 species on 5%+ of 29 checklistsApr 8-14: 62 species on 5%+ of 28 checklistsApr 15-21: 60 species on 5%+ of 43 checklistsApr 22-30: 72 species on 5%+ of 54 checklistsMay 1-7: 68 species on 5%+ of 24 checklistsMay 8-14: 78 species on 5%+ of 55 checklistsMay 15-21: 85 species on 5%+ of 39 checklistsMay 22-31: 68 species on 5%+ of 51 checklistsJun 1-7: 65 species on 5%+ of 23 checklistsJun 8-14: 72 species on 5%+ of 30 checklistsJun 15-21: 69 species on 5%+ of 27 checklistsJun 22-30: 77 species on 5%+ of 39 checklistsJul 1-7: 70 species on 5%+ of 28 checklistsJul 8-14: 66 species on 5%+ of 29 checklistsJul 15-21: 73 species on 5%+ of 31 checklistsJul 22-31: 77 species on 5%+ of 53 checklistsAug 1-7: 71 species on 5%+ of 24 checklistsAug 8-14: 88 species on 5%+ of 19 checklistsAug 15-21: 74 species on 5%+ of 21 checklistsAug 22-31: 85 species on 5%+ of 40 checklistsSep 1-7: 80 species on 5%+ of 42 checklistsSep 8-14: 82 species on 5%+ of 40 checklistsSep 15-21: 71 species on 5%+ of 25 checklistsSep 22-30: 84 species on 5%+ of 32 checklistsOct 1-7: 70 species on 5%+ of 17 checklistsOct 8-14: 63 species on 5%+ of 21 checklistsOct 15-21: 74 species on 5%+ of 14 checklistsOct 22-31: 53 species on 5%+ of 12 checklistsNov 1-7: 61 species on 5%+ of 12 checklistsNov 8-14: 59 species on 5%+ of 10 checklistsNov 15-21: low data (6 checklists)Nov 22-30: 52 species on 5%+ of 14 checklistsDec 1-7: 46 species on 5%+ of 13 checklistsDec 8-14: low data (4 checklists)Dec 15-21: low data (7 checklists)Dec 22-31: low data (6 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. 1Canada Goose86%
  2. 2Mallard83%
  3. 3Black-billed Magpie76%
  4. 4Bald Eagle62%
  5. 5Red-tailed Hawk62%
  6. 6Green-winged Teal57%
  7. 7Hooded Merganser57%
  8. 8American Wigeon55%
  9. 9Gadwall55%
  10. 10Northern Pintail55%
  11. 11Bufflehead50%
  12. 12Northern Flicker48%
  13. 13American Coot45%
  14. 14Lesser Scaup45%
  15. 15Northern Shoveler43%

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 33 species

  1. Canada Goose70%
  2. Black-billed Magpie66%
  3. Bald Eagle60%
  4. Red-tailed Hawk58%
  5. Mallard57%

Spring 73 species

  1. Canada Goose86%
  2. Mallard85%
  3. Red-winged Blackbird74%
  4. American Coot62%
  5. Great Blue Heron61%

Summer 76 species

  1. Great Blue Heron84%
  2. Canada Goose80%
  3. American Coot76%
  4. Double-crested Cormorant75%
  5. Western Grebe74%

Fall 72 species

  1. Canada Goose90%
  2. Mallard84%
  3. American Coot75%
  4. Great Blue Heron73%
  5. Western Grebe65%

Specialties

Birds reported far more often here than across Montana.

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.