Birding spot · Sonoma County, California
Birding at Spring Lake Regional Park: What You'll See Each Week In November, the birds most often reported at Spring Lake Regional Park are American Crow (97%), Mallard (87%), and Double-crested Cormorant (86%). It is busiest in spring, when 92 species turn up on at least 1 in 20 checklists, and species counts peak in early April (93 species). 182 species have been reported here across 2,606 complete checklists from 509 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 75 species on 5%+ of 67 checklists Jan 8-14: 71 species on 5%+ of 44 checklists Jan 15-21: 71 species on 5%+ of 70 checklists Jan 22-31: 78 species on 5%+ of 123 checklists Feb 1-7: 85 species on 5%+ of 57 checklists Feb 8-14: 82 species on 5%+ of 77 checklists Feb 15-21: 78 species on 5%+ of 65 checklists Feb 22-28: 83 species on 5%+ of 60 checklists Mar 1-7: 86 species on 5%+ of 59 checklists Mar 8-14: 88 species on 5%+ of 67 checklists Mar 15-21: 83 species on 5%+ of 54 checklists Mar 22-31: 87 species on 5%+ of 83 checklists Apr 1-7: 93 species on 5%+ of 39 checklists Apr 8-14: 88 species on 5%+ of 49 checklists Apr 15-21: 82 species on 5%+ of 43 checklists Apr 22-30: 74 species on 5%+ of 44 checklists May 1-7: 82 species on 5%+ of 39 checklists May 8-14: 74 species on 5%+ of 46 checklists May 15-21: 80 species on 5%+ of 39 checklists May 22-31: 73 species on 5%+ of 52 checklists Jun 1-7: 71 species on 5%+ of 31 checklists Jun 8-14: 73 species on 5%+ of 31 checklists Jun 15-21: 75 species on 5%+ of 30 checklists Jun 22-30: 73 species on 5%+ of 36 checklists Jul 1-7: 71 species on 5%+ of 28 checklists Jul 8-14: 75 species on 5%+ of 18 checklists Jul 15-21: 71 species on 5%+ of 26 checklists Jul 22-31: 73 species on 5%+ of 44 checklists Aug 1-7: 80 species on 5%+ of 20 checklists Aug 8-14: 76 species on 5%+ of 49 checklists Aug 15-21: 80 species on 5%+ of 59 checklists Aug 22-31: 77 species on 5%+ of 93 checklists Sep 1-7: 79 species on 5%+ of 58 checklists Sep 8-14: 69 species on 5%+ of 82 checklists Sep 15-21: 80 species on 5%+ of 90 checklists Sep 22-30: 79 species on 5%+ of 147 checklists Oct 1-7: 78 species on 5%+ of 83 checklists Oct 8-14: 72 species on 5%+ of 41 checklists Oct 15-21: 75 species on 5%+ of 57 checklists Oct 22-31: 78 species on 5%+ of 53 checklists Nov 1-7: 80 species on 5%+ of 53 checklists Nov 8-14: 84 species on 5%+ of 37 checklists Nov 15-21: 78 species on 5%+ of 41 checklists Nov 22-30: 71 species on 5%+ of 41 checklists Dec 1-7: 76 species on 5%+ of 34 checklists Dec 8-14: 82 species on 5%+ of 35 checklists Dec 15-21: 84 species on 5%+ of 46 checklists Dec 22-31: 68 species on 5%+ of 66 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 Crow 97% 2 Mallard 87% 3 Double-crested Cormorant 86% 4 Ruby-crowned Kinglet 83% 5 Canada Goose 79% 6 Pied-billed Grebe 79% 7 American Coot 74% 8 California Towhee 73% 9 California Scrub-Jay 73% 10 Yellow-rumped Warbler 72% 11 Black Phoebe 70% 12 Song Sparrow 69% 13 Bufflehead 67% 14 Golden-crowned Sparrow 67% 15 Northern Flicker 67% 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 .
American Crow97%
Mallard87%
Double-crested Cormorant86%
Ruby-crowned Kinglet83%
Canada Goose79%
Pied-billed Grebe79%
American Coot74%
California Towhee73%
California Scrub-Jay73%
Yellow-rumped Warbler72%
Black Phoebe70%
Song Sparrow69%
Bufflehead67%
Golden-crowned Sparrow67%
Northern Flicker67%