Birding spot · Weld County, Colorado
Birding at St. Vrain State Park: What You'll See Each Week In November, the birds most often reported at St. Vrain State Park are Canada Goose (81%), Ring-billed Gull (79%), and American White Pelican (64%). It is busiest in spring, when 65 species turn up on at least 1 in 20 checklists, and species counts peak in mid April (72 species). 156 species have been reported here across 1,146 complete checklists from 481 birders.
Species by week 0 20 40 60 80 Jan 1-7: 49 species on 5%+ of 43 checklists Jan 8-14: 46 species on 5%+ of 33 checklists Jan 15-21: 38 species on 5%+ of 42 checklists Jan 22-31: 48 species on 5%+ of 30 checklists Feb 1-7: 37 species on 5%+ of 21 checklists Feb 8-14: 45 species on 5%+ of 17 checklists Feb 15-21: 48 species on 5%+ of 17 checklists Feb 22-28: 48 species on 5%+ of 15 checklists Mar 1-7: 51 species on 5%+ of 28 checklists Mar 8-14: 51 species on 5%+ of 26 checklists Mar 15-21: 52 species on 5%+ of 17 checklists Mar 22-31: 49 species on 5%+ of 33 checklists Apr 1-7: 55 species on 5%+ of 35 checklists Apr 8-14: 53 species on 5%+ of 25 checklists Apr 15-21: 72 species on 5%+ of 20 checklists Apr 22-30: 53 species on 5%+ of 43 checklists May 1-7: 53 species on 5%+ of 22 checklists May 8-14: 66 species on 5%+ of 22 checklists May 15-21: 64 species on 5%+ of 37 checklists May 22-31: 56 species on 5%+ of 46 checklists Jun 1-7: 49 species on 5%+ of 27 checklists Jun 8-14: 41 species on 5%+ of 27 checklists Jun 15-21: 52 species on 5%+ of 22 checklists Jun 22-30: 39 species on 5%+ of 21 checklists Jul 1-7: 46 species on 5%+ of 21 checklists Jul 8-14: 49 species on 5%+ of 11 checklists Jul 15-21: 60 species on 5%+ of 20 checklists Jul 22-31: 47 species on 5%+ of 25 checklists Aug 1-7: 57 species on 5%+ of 19 checklists Aug 8-14: 69 species on 5%+ of 20 checklists Aug 15-21: 44 species on 5%+ of 22 checklists Aug 22-31: 43 species on 5%+ of 24 checklists Sep 1-7: 56 species on 5%+ of 15 checklists Sep 8-14: 46 species on 5%+ of 13 checklists Sep 15-21: 56 species on 5%+ of 19 checklists Sep 22-30: 40 species on 5%+ of 30 checklists Oct 1-7: 46 species on 5%+ of 10 checklists Oct 8-14: 54 species on 5%+ of 17 checklists Oct 15-21: 51 species on 5%+ of 10 checklists Oct 22-31: low data (9 checklists) Nov 1-7: 42 species on 5%+ of 12 checklists Nov 8-14: 59 species on 5%+ of 19 checklists Nov 15-21: 61 species on 5%+ of 33 checklists Nov 22-30: 64 species on 5%+ of 38 checklists Dec 1-7: 68 species on 5%+ of 16 checklists Dec 8-14: 53 species on 5%+ of 18 checklists Dec 15-21: 45 species on 5%+ of 13 checklists Dec 22-31: 49 species on 5%+ of 43 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 Canada Goose 81% 2 Ring-billed Gull 79% 3 American White Pelican 64% 4 Mallard 63% 5 Cackling Goose 59% 6 Bufflehead 56% 7 Common Goldeneye 52% 8 Great Blue Heron 52% 9 Red-winged Blackbird 51% 10 Northern Shoveler 50% 11 Belted Kingfisher 49% 12 Red-tailed Hawk 47% 13 American Coot 46% 14 Bald Eagle 46% 15 Ruddy Duck 44% 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.
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 .