WhenToBird

Birding spot · Jefferson County, Colorado

Birding at West Lake: What You'll See Each Week

In November, the birds most often reported at West Lake are Gadwall (94%), Mallard (92%), and Bufflehead (85%). It is busiest in spring, when 72 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 1,835 complete checklists from 420 birders.

Species by week

020406080100Jan 1-7: 57 species on 5%+ of 149 checklistsJan 8-14: 51 species on 5%+ of 71 checklistsJan 15-21: 50 species on 5%+ of 75 checklistsJan 22-31: 53 species on 5%+ of 122 checklistsFeb 1-7: 54 species on 5%+ of 76 checklistsFeb 8-14: 52 species on 5%+ of 140 checklistsFeb 15-21: 50 species on 5%+ of 74 checklistsFeb 22-28: 53 species on 5%+ of 58 checklistsMar 1-7: 48 species on 5%+ of 34 checklistsMar 8-14: 38 species on 5%+ of 24 checklistsMar 15-21: 41 species on 5%+ of 23 checklistsMar 22-31: 53 species on 5%+ of 64 checklistsApr 1-7: 60 species on 5%+ of 38 checklistsApr 8-14: 60 species on 5%+ of 64 checklistsApr 15-21: 72 species on 5%+ of 40 checklistsApr 22-30: 71 species on 5%+ of 55 checklistsMay 1-7: 70 species on 5%+ of 26 checklistsMay 8-14: 70 species on 5%+ of 28 checklistsMay 15-21: 89 species on 5%+ of 36 checklistsMay 22-31: 76 species on 5%+ of 25 checklistsJun 1-7: 69 species on 5%+ of 19 checklistsJun 8-14: 67 species on 5%+ of 11 checklistsJun 15-21: 64 species on 5%+ of 19 checklistsJun 22-30: 49 species on 5%+ of 21 checklistsJul 1-7: 57 species on 5%+ of 15 checklistsJul 8-14: low data (5 checklists)Jul 15-21: 60 species on 5%+ of 10 checklistsJul 22-31: low data (7 checklists)Aug 1-7: 68 species on 5%+ of 13 checklistsAug 8-14: 69 species on 5%+ of 19 checklistsAug 15-21: 42 species on 5%+ of 10 checklistsAug 22-31: low data (3 checklists)Sep 1-7: low data (8 checklists)Sep 8-14: low data (9 checklists)Sep 15-21: 50 species on 5%+ of 10 checklistsSep 22-30: 54 species on 5%+ of 16 checklistsOct 1-7: 58 species on 5%+ of 17 checklistsOct 8-14: 47 species on 5%+ of 12 checklistsOct 15-21: 53 species on 5%+ of 17 checklistsOct 22-31: 50 species on 5%+ of 26 checklistsNov 1-7: 45 species on 5%+ of 17 checklistsNov 8-14: 53 species on 5%+ of 19 checklistsNov 15-21: 41 species on 5%+ of 22 checklistsNov 22-30: 51 species on 5%+ of 58 checklistsDec 1-7: 47 species on 5%+ of 41 checklistsDec 8-14: 49 species on 5%+ of 32 checklistsDec 15-21: 58 species on 5%+ of 59 checklistsDec 22-31: 54 species on 5%+ of 98 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. 1Gadwall94%
  2. 2Mallard92%
  3. 3Bufflehead85%
  4. 4Green-winged Teal78%
  5. 5Black-capped Chickadee77%
  6. 6Black-billed Magpie69%
  7. 7Northern Shoveler67%
  8. 8American Coot66%
  9. 9Song Sparrow63%
  10. 10Canada Goose62%
  11. 11Common Goldeneye60%
  12. 12Northern Flicker58%
  13. 13Belted Kingfisher56%
  14. 14Ring-billed Gull56%
  15. 15Ring-necked Duck56%

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 54 species

  1. Mallard98%
  2. Gadwall97%
  3. Green-winged Teal94%
  4. Northern Shoveler89%
  5. Bufflehead86%

Spring 72 species

  1. Mallard94%
  2. Red-winged Blackbird84%
  3. Gadwall82%
  4. Canada Goose81%
  5. American Robin78%

Summer 61 species

  1. Red-winged Blackbird94%
  2. Mallard93%
  3. Double-crested Cormorant92%
  4. Barn Swallow90%
  5. Northern Yellow Warbler89%

Fall 53 species

  1. Mallard94%
  2. Gadwall87%
  3. Black-capped Chickadee78%
  4. Black-billed Magpie69%
  5. Northern Flicker65%

Specialties

Birds reported far more often here than across Colorado.

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.