Birding spot · Weld County, Colorado
Birding at Crow Valley Park: What You'll See Each Week In November, the birds most often reported at Crow Valley Park are American Robin (83%), Mourning Dove (80%), and Blue Jay (72%). It is busiest in spring, when 73 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of September (80 species). 191 species have been reported here across 2,041 complete checklists from 1,152 birders.
Species by week 0 20 40 60 80 Jan 1-7: low data (1 checklists) Jan 8-14: low data (3 checklists) Jan 15-21: low data (4 checklists) Jan 22-31: low data (5 checklists) Feb 1-7: low data (3 checklists) Feb 8-14: low data (5 checklists) Feb 15-21: low data (5 checklists) Feb 22-28: low data (8 checklists) Mar 1-7: low data (8 checklists) Mar 8-14: low data (5 checklists) Mar 15-21: low data (7 checklists) Mar 22-31: 31 species on 5%+ of 10 checklists Apr 1-7: 41 species on 5%+ of 27 checklists Apr 8-14: 36 species on 5%+ of 48 checklists Apr 15-21: 47 species on 5%+ of 40 checklists Apr 22-30: 50 species on 5%+ of 90 checklists May 1-7: 67 species on 5%+ of 134 checklists May 8-14: 77 species on 5%+ of 209 checklists May 15-21: 78 species on 5%+ of 203 checklists May 22-31: 73 species on 5%+ of 194 checklists Jun 1-7: 48 species on 5%+ of 109 checklists Jun 8-14: 40 species on 5%+ of 84 checklists Jun 15-21: 36 species on 5%+ of 71 checklists Jun 22-30: 37 species on 5%+ of 73 checklists Jul 1-7: 40 species on 5%+ of 45 checklists Jul 8-14: 44 species on 5%+ of 38 checklists Jul 15-21: 42 species on 5%+ of 46 checklists Jul 22-31: 41 species on 5%+ of 56 checklists Aug 1-7: 40 species on 5%+ of 28 checklists Aug 8-14: 49 species on 5%+ of 35 checklists Aug 15-21: 51 species on 5%+ of 26 checklists Aug 22-31: 64 species on 5%+ of 70 checklists Sep 1-7: 76 species on 5%+ of 74 checklists Sep 8-14: 80 species on 5%+ of 54 checklists Sep 15-21: 72 species on 5%+ of 50 checklists Sep 22-30: 72 species on 5%+ of 60 checklists Oct 1-7: 59 species on 5%+ of 31 checklists Oct 8-14: 54 species on 5%+ of 20 checklists Oct 15-21: 55 species on 5%+ of 19 checklists Oct 22-31: 42 species on 5%+ of 10 checklists Nov 1-7: low data (3 checklists) Nov 8-14: low data (3 checklists) Nov 15-21: low data (4 checklists) Nov 22-30: low data (4 checklists) Dec 1-7: low data (1 checklists) Dec 8-14: low data (7 checklists) Dec 15-21: low data (6 checklists) Dec 22-31: low data (5 checklists) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 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 American Robin 83% 2 Mourning Dove 80% 3 Blue Jay 72% 4 Western Meadowlark 68% 5 Eurasian Collared-Dove 66% 6 Western Kingbird 63% 7 Northern House Wren 63% 8 European Starling 58% 9 Common Grackle 58% 10 Red-winged Blackbird 56% 11 Northern Flicker 44% 12 Brown Thrasher 43% 13 Northern Yellow Warbler 40% 14 Bullock's Oriole 38% 15 American Goldfinch 38% 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 Specialties Birds reported far more often here than across Colorado.
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 .
American Robin83%
Mourning Dove80%
Blue Jay72%
Western Meadowlark68%
Eurasian Collared-Dove66%
Western Kingbird63%
European Starling58%
Common Grackle58%
Red-winged Blackbird56%
Northern Flicker44%
Brown Thrasher43%
Bullock's Oriole38%
American Goldfinch38%