Birding spot · Pima County, Arizona
Birding at Los Morteros: What You'll See Each Week In November, the birds most often reported at Los Morteros are Vermilion Flycatcher (88%), Verdin (86%), and Abert's Towhee (84%). It is busiest in fall, when 101 species turn up on at least 1 in 20 checklists, and species counts peak in early September (110 species). 232 species have been reported here across 7,146 complete checklists from 1,352 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 80 species on 5%+ of 149 checklists Jan 8-14: 80 species on 5%+ of 137 checklists Jan 15-21: 81 species on 5%+ of 151 checklists Jan 22-31: 82 species on 5%+ of 183 checklists Feb 1-7: 78 species on 5%+ of 141 checklists Feb 8-14: 76 species on 5%+ of 126 checklists Feb 15-21: 77 species on 5%+ of 142 checklists Feb 22-28: 80 species on 5%+ of 113 checklists Mar 1-7: 85 species on 5%+ of 115 checklists Mar 8-14: 90 species on 5%+ of 151 checklists Mar 15-21: 87 species on 5%+ of 141 checklists Mar 22-31: 88 species on 5%+ of 283 checklists Apr 1-7: 91 species on 5%+ of 210 checklists Apr 8-14: 96 species on 5%+ of 176 checklists Apr 15-21: 94 species on 5%+ of 204 checklists Apr 22-30: 96 species on 5%+ of 281 checklists May 1-7: 99 species on 5%+ of 185 checklists May 8-14: 92 species on 5%+ of 163 checklists May 15-21: 87 species on 5%+ of 161 checklists May 22-31: 83 species on 5%+ of 120 checklists Jun 1-7: 79 species on 5%+ of 108 checklists Jun 8-14: 69 species on 5%+ of 96 checklists Jun 15-21: 73 species on 5%+ of 118 checklists Jun 22-30: 74 species on 5%+ of 117 checklists Jul 1-7: 77 species on 5%+ of 95 checklists Jul 8-14: 79 species on 5%+ of 90 checklists Jul 15-21: 72 species on 5%+ of 63 checklists Jul 22-31: 76 species on 5%+ of 115 checklists Aug 1-7: 79 species on 5%+ of 100 checklists Aug 8-14: 76 species on 5%+ of 121 checklists Aug 15-21: 92 species on 5%+ of 137 checklists Aug 22-31: 86 species on 5%+ of 163 checklists Sep 1-7: 110 species on 5%+ of 159 checklists Sep 8-14: 103 species on 5%+ of 148 checklists Sep 15-21: 100 species on 5%+ of 103 checklists Sep 22-30: 105 species on 5%+ of 183 checklists Oct 1-7: 103 species on 5%+ of 192 checklists Oct 8-14: 95 species on 5%+ of 180 checklists Oct 15-21: 90 species on 5%+ of 164 checklists Oct 22-31: 93 species on 5%+ of 192 checklists Nov 1-7: 86 species on 5%+ of 130 checklists Nov 8-14: 84 species on 5%+ of 137 checklists Nov 15-21: 82 species on 5%+ of 114 checklists Nov 22-30: 86 species on 5%+ of 197 checklists Dec 1-7: 88 species on 5%+ of 150 checklists Dec 8-14: 84 species on 5%+ of 119 checklists Dec 15-21: 84 species on 5%+ of 117 checklists Dec 22-31: 86 species on 5%+ of 206 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 Vermilion Flycatcher 88% 2 Verdin 86% 3 Abert's Towhee 84% 4 White-crowned Sparrow 83% 5 Black Phoebe 80% 6 Yellow-rumped Warbler 77% 7 Mallard 73% 8 Song Sparrow 73% 9 American Coot 72% 10 Gila Woodpecker 70% 11 Lesser Goldfinch 68% 12 House Finch 68% 13 Ruby-crowned Kinglet 67% 14 Great Egret 63% 15 American Wigeon 61% 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 Arizona.
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 .
Vermilion Flycatcher88%
Verdin86%
Abert's Towhee84%
White-crowned Sparrow83%
Black Phoebe80%
Yellow-rumped Warbler77%
Mallard73%
Song Sparrow73%
American Coot72%
Gila Woodpecker70%
Lesser Goldfinch68%
House Finch68%
Ruby-crowned Kinglet67%
Great Egret63%
American Wigeon61%