Birding spot · La Plata County, Colorado
Birding at Pastorius Reservoir State Wildlife Area: What You'll See Each Week In November, the birds most often reported at Pastorius Reservoir State Wildlife Area are American Coot (85%), American Wigeon (81%), and Bufflehead (76%). It is busiest in spring, when 103 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (109 species). 237 species have been reported here across 3,014 complete checklists from 468 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 43 species on 5%+ of 17 checklists Jan 8-14: 35 species on 5%+ of 12 checklists Jan 15-21: 39 species on 5%+ of 10 checklists Jan 22-31: 38 species on 5%+ of 12 checklists Feb 1-7: 51 species on 5%+ of 13 checklists Feb 8-14: 42 species on 5%+ of 24 checklists Feb 15-21: 56 species on 5%+ of 19 checklists Feb 22-28: 53 species on 5%+ of 34 checklists Mar 1-7: 54 species on 5%+ of 43 checklists Mar 8-14: 56 species on 5%+ of 57 checklists Mar 15-21: 57 species on 5%+ of 64 checklists Mar 22-31: 64 species on 5%+ of 108 checklists Apr 1-7: 75 species on 5%+ of 106 checklists Apr 8-14: 85 species on 5%+ of 127 checklists Apr 15-21: 92 species on 5%+ of 214 checklists Apr 22-30: 103 species on 5%+ of 280 checklists May 1-7: 107 species on 5%+ of 223 checklists May 8-14: 109 species on 5%+ of 187 checklists May 15-21: 95 species on 5%+ of 125 checklists May 22-31: 89 species on 5%+ of 93 checklists Jun 1-7: 75 species on 5%+ of 49 checklists Jun 8-14: 59 species on 5%+ of 28 checklists Jun 15-21: 65 species on 5%+ of 29 checklists Jun 22-30: 53 species on 5%+ of 22 checklists Jul 1-7: 75 species on 5%+ of 12 checklists Jul 8-14: 62 species on 5%+ of 23 checklists Jul 15-21: 79 species on 5%+ of 19 checklists Jul 22-31: 70 species on 5%+ of 48 checklists Aug 1-7: 62 species on 5%+ of 25 checklists Aug 8-14: 81 species on 5%+ of 55 checklists Aug 15-21: 93 species on 5%+ of 38 checklists Aug 22-31: 86 species on 5%+ of 81 checklists Sep 1-7: 105 species on 5%+ of 57 checklists Sep 8-14: 97 species on 5%+ of 70 checklists Sep 15-21: 80 species on 5%+ of 61 checklists Sep 22-30: 83 species on 5%+ of 95 checklists Oct 1-7: 69 species on 5%+ of 65 checklists Oct 8-14: 75 species on 5%+ of 49 checklists Oct 15-21: 71 species on 5%+ of 61 checklists Oct 22-31: 66 species on 5%+ of 84 checklists Nov 1-7: 63 species on 5%+ of 72 checklists Nov 8-14: 56 species on 5%+ of 39 checklists Nov 15-21: 51 species on 5%+ of 27 checklists Nov 22-30: 52 species on 5%+ of 35 checklists Dec 1-7: 55 species on 5%+ of 37 checklists Dec 8-14: 58 species on 5%+ of 19 checklists Dec 15-21: 40 species on 5%+ of 21 checklists Dec 22-31: 29 species on 5%+ of 25 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 Coot 85% 2 American Wigeon 81% 3 Bufflehead 76% 4 Dark-eyed Junco 72% 5 Red-tailed Hawk 71% 6 Black-billed Magpie 69% 7 Mallard 59% 8 Gadwall 55% 9 European Starling 54% 10 Redhead 54% 11 Pied-billed Grebe 53% 12 Killdeer 52% 13 White-crowned Sparrow 51% 14 Red-winged Blackbird 49% 15 Northern Harrier 46% 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 .
American Coot85%
American Wigeon81%
Bufflehead76%
Dark-eyed Junco72%
Red-tailed Hawk71%
Black-billed Magpie69%
Mallard59%
Gadwall55%
European Starling54%
Redhead54%
Pied-billed Grebe53%
Killdeer52%
White-crowned Sparrow51%
Red-winged Blackbird49%