Birding spot · San Luis Obispo County, California
Birding at Sweet Springs Nature Preserve: What You'll See Each Week In November, the birds most often reported at Sweet Springs Nature Preserve are Mallard (90%), Blue-winged Teal (82%), and Great Blue Heron (76%). It is busiest in winter, when 77 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of December (93 species). 187 species have been reported here across 2,252 complete checklists from 987 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 74 species on 5%+ of 75 checklists Jan 8-14: 78 species on 5%+ of 119 checklists Jan 15-21: 81 species on 5%+ of 157 checklists Jan 22-31: 73 species on 5%+ of 87 checklists Feb 1-7: 73 species on 5%+ of 49 checklists Feb 8-14: 76 species on 5%+ of 48 checklists Feb 15-21: 74 species on 5%+ of 68 checklists Feb 22-28: 85 species on 5%+ of 55 checklists Mar 1-7: 89 species on 5%+ of 33 checklists Mar 8-14: 71 species on 5%+ of 44 checklists Mar 15-21: 89 species on 5%+ of 40 checklists Mar 22-31: 81 species on 5%+ of 50 checklists Apr 1-7: 74 species on 5%+ of 38 checklists Apr 8-14: 73 species on 5%+ of 35 checklists Apr 15-21: 65 species on 5%+ of 34 checklists Apr 22-30: 72 species on 5%+ of 46 checklists May 1-7: 68 species on 5%+ of 38 checklists May 8-14: 67 species on 5%+ of 62 checklists May 15-21: 61 species on 5%+ of 50 checklists May 22-31: 53 species on 5%+ of 79 checklists Jun 1-7: 59 species on 5%+ of 35 checklists Jun 8-14: 49 species on 5%+ of 39 checklists Jun 15-21: 54 species on 5%+ of 39 checklists Jun 22-30: 44 species on 5%+ of 29 checklists Jul 1-7: 53 species on 5%+ of 27 checklists Jul 8-14: 47 species on 5%+ of 33 checklists Jul 15-21: 47 species on 5%+ of 23 checklists Jul 22-31: 47 species on 5%+ of 30 checklists Aug 1-7: 46 species on 5%+ of 28 checklists Aug 8-14: 71 species on 5%+ of 20 checklists Aug 15-21: 57 species on 5%+ of 33 checklists Aug 22-31: 60 species on 5%+ of 31 checklists Sep 1-7: 57 species on 5%+ of 42 checklists Sep 8-14: 61 species on 5%+ of 23 checklists Sep 15-21: 53 species on 5%+ of 27 checklists Sep 22-30: 58 species on 5%+ of 44 checklists Oct 1-7: 70 species on 5%+ of 40 checklists Oct 8-14: 72 species on 5%+ of 30 checklists Oct 15-21: 70 species on 5%+ of 33 checklists Oct 22-31: 78 species on 5%+ of 57 checklists Nov 1-7: 70 species on 5%+ of 42 checklists Nov 8-14: 71 species on 5%+ of 31 checklists Nov 15-21: 74 species on 5%+ of 35 checklists Nov 22-30: 75 species on 5%+ of 79 checklists Dec 1-7: 73 species on 5%+ of 45 checklists Dec 8-14: 93 species on 5%+ of 30 checklists Dec 15-21: 74 species on 5%+ of 49 checklists Dec 22-31: 74 species on 5%+ of 71 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 Mallard 90% 2 Blue-winged Teal 82% 3 Great Blue Heron 76% 4 American Coot 64% 5 Great Egret 64% 6 Turkey Vulture 59% 7 Song Sparrow 56% 8 Ruddy Duck 54% 9 Snowy Egret 54% 10 White-crowned Sparrow 52% 11 Green-winged Teal 51% 12 Black Phoebe 49% 13 Greater Yellowlegs 49% 14 Yellow-rumped Warbler 48% 15 Anna's Hummingbird 47% 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 California.
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 .
Mallard90%
Blue-winged Teal82%
Great Blue Heron76%
American Coot64%
Great Egret64%
Turkey Vulture59%
Song Sparrow56%
Ruddy Duck54%
Snowy Egret54%
White-crowned Sparrow52%
Green-winged Teal51%
Black Phoebe49%
Greater Yellowlegs49%
Yellow-rumped Warbler48%
Anna's Hummingbird47%