WhenToBird

Birding spot · Arapahoe County, Colorado

Birding at Mary Carter Greenway: What You'll See Each Week

In November, the birds most often reported at Mary Carter Greenway are Mallard (100%), Gadwall (98%), and Bufflehead (96%). It is busiest in spring, when 68 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (74 species). 127 species have been reported here across 906 complete checklists from 149 birders.

Species by week

020406080Jan 1-7: 46 species on 5%+ of 25 checklistsJan 8-14: 52 species on 5%+ of 19 checklistsJan 15-21: 45 species on 5%+ of 43 checklistsJan 22-31: 45 species on 5%+ of 37 checklistsFeb 1-7: 43 species on 5%+ of 24 checklistsFeb 8-14: 50 species on 5%+ of 16 checklistsFeb 15-21: 48 species on 5%+ of 35 checklistsFeb 22-28: 45 species on 5%+ of 24 checklistsMar 1-7: 45 species on 5%+ of 21 checklistsMar 8-14: 49 species on 5%+ of 14 checklistsMar 15-21: 44 species on 5%+ of 26 checklistsMar 22-31: 55 species on 5%+ of 20 checklistsApr 1-7: 49 species on 5%+ of 28 checklistsApr 8-14: 50 species on 5%+ of 21 checklistsApr 15-21: 58 species on 5%+ of 22 checklistsApr 22-30: 61 species on 5%+ of 24 checklistsMay 1-7: 69 species on 5%+ of 11 checklistsMay 8-14: 74 species on 5%+ of 20 checklistsMay 15-21: 66 species on 5%+ of 16 checklistsMay 22-31: 66 species on 5%+ of 19 checklistsJun 1-7: 51 species on 5%+ of 10 checklistsJun 8-14: low data (6 checklists)Jun 15-21: low data (9 checklists)Jun 22-30: low data (8 checklists)Jul 1-7: 56 species on 5%+ of 11 checklistsJul 8-14: low data (7 checklists)Jul 15-21: low data (3 checklists)Jul 22-31: 48 species on 5%+ of 11 checklistsAug 1-7: 50 species on 5%+ of 11 checklistsAug 8-14: low data (5 checklists)Aug 15-21: low data (9 checklists)Aug 22-31: 55 species on 5%+ of 15 checklistsSep 1-7: low data (8 checklists)Sep 8-14: 52 species on 5%+ of 12 checklistsSep 15-21: 54 species on 5%+ of 14 checklistsSep 22-30: 57 species on 5%+ of 20 checklistsOct 1-7: 48 species on 5%+ of 11 checklistsOct 8-14: 56 species on 5%+ of 19 checklistsOct 15-21: 50 species on 5%+ of 16 checklistsOct 22-31: 49 species on 5%+ of 30 checklistsNov 1-7: 50 species on 5%+ of 19 checklistsNov 8-14: 48 species on 5%+ of 31 checklistsNov 15-21: 52 species on 5%+ of 17 checklistsNov 22-30: 41 species on 5%+ of 22 checklistsDec 1-7: 42 species on 5%+ of 23 checklistsDec 8-14: 45 species on 5%+ of 22 checklistsDec 15-21: 43 species on 5%+ of 23 checklistsDec 22-31: 47 species on 5%+ of 49 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. 1Mallard100%
  2. 2Gadwall98%
  3. 3Bufflehead96%
  4. 4American Wigeon85%
  5. 5Canada Goose83%
  6. 6Black-capped Chickadee81%
  7. 7Black-billed Magpie78%
  8. 8Belted Kingfisher74%
  9. 9Northern Flicker74%
  10. 10Song Sparrow72%
  11. 11Hooded Merganser70%
  12. 12Green-winged Teal66%
  13. 13House Finch66%
  14. 14Killdeer66%
  15. 15Red-tailed Hawk51%

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 47 species

  1. Mallard100%
  2. Bufflehead99%
  3. Gadwall93%
  4. Canada Goose90%
  5. Common Goldeneye90%

Spring 68 species

  1. Mallard96%
  2. Red-winged Blackbird91%
  3. Canada Goose90%
  4. American Robin87%
  5. Gadwall78%

Summer 56 species

  1. Mallard99%
  2. Northern Yellow Warbler82%
  3. Double-crested Cormorant81%
  4. Black-capped Chickadee75%
  5. Northern Flicker75%

Fall 53 species

  1. Mallard100%
  2. Black-capped Chickadee82%
  3. Gadwall80%
  4. Belted Kingfisher79%
  5. Canada Goose78%

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.