Birding spot · San Luis Obispo County, California
Birding at Whale Rock Reservoir: What You'll See Each Week In November, the birds most often reported at Whale Rock Reservoir are American Coot (98%), Ruddy Duck (91%), and Bufflehead (87%). It is busiest in spring, when 93 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of August (99 species). 168 species have been reported here across 1,048 complete checklists from 179 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 74 species on 5%+ of 37 checklists Jan 8-14: 75 species on 5%+ of 16 checklists Jan 15-21: 75 species on 5%+ of 31 checklists Jan 22-31: 72 species on 5%+ of 29 checklists Feb 1-7: 70 species on 5%+ of 22 checklists Feb 8-14: 72 species on 5%+ of 12 checklists Feb 15-21: 80 species on 5%+ of 15 checklists Feb 22-28: 81 species on 5%+ of 18 checklists Mar 1-7: 83 species on 5%+ of 18 checklists Mar 8-14: 75 species on 5%+ of 25 checklists Mar 15-21: 94 species on 5%+ of 16 checklists Mar 22-31: 89 species on 5%+ of 27 checklists Apr 1-7: 87 species on 5%+ of 23 checklists Apr 8-14: 85 species on 5%+ of 24 checklists Apr 15-21: 92 species on 5%+ of 39 checklists Apr 22-30: 87 species on 5%+ of 44 checklists May 1-7: 85 species on 5%+ of 21 checklists May 8-14: 81 species on 5%+ of 11 checklists May 15-21: 80 species on 5%+ of 21 checklists May 22-31: 73 species on 5%+ of 36 checklists Jun 1-7: 87 species on 5%+ of 19 checklists Jun 8-14: 87 species on 5%+ of 17 checklists Jun 15-21: 75 species on 5%+ of 24 checklists Jun 22-30: 87 species on 5%+ of 33 checklists Jul 1-7: 80 species on 5%+ of 27 checklists Jul 8-14: 90 species on 5%+ of 20 checklists Jul 15-21: 84 species on 5%+ of 15 checklists Jul 22-31: 63 species on 5%+ of 25 checklists Aug 1-7: 79 species on 5%+ of 20 checklists Aug 8-14: 99 species on 5%+ of 18 checklists Aug 15-21: 55 species on 5%+ of 23 checklists Aug 22-31: 65 species on 5%+ of 27 checklists Sep 1-7: 76 species on 5%+ of 17 checklists Sep 8-14: 66 species on 5%+ of 30 checklists Sep 15-21: 91 species on 5%+ of 19 checklists Sep 22-30: 74 species on 5%+ of 30 checklists Oct 1-7: 65 species on 5%+ of 21 checklists Oct 8-14: 88 species on 5%+ of 19 checklists Oct 15-21: 81 species on 5%+ of 22 checklists Oct 22-31: 81 species on 5%+ of 34 checklists Nov 1-7: 71 species on 5%+ of 21 checklists Nov 8-14: low data (9 checklists) Nov 15-21: low data (8 checklists) Nov 22-30: 84 species on 5%+ of 16 checklists Dec 1-7: 88 species on 5%+ of 11 checklists Dec 8-14: low data (4 checklists) Dec 15-21: low data (6 checklists) Dec 22-31: 69 species on 5%+ of 28 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 98% 2 Ruddy Duck 91% 3 Bufflehead 87% 4 Ring-necked Duck 81% 5 Mallard 78% 6 Northern Shoveler 74% 7 Western Grebe 74% 8 California Scrub-Jay 69% 9 Black Phoebe 65% 10 Turkey Vulture 65% 11 Pied-billed Grebe 63% 12 Redhead 63% 13 Great Egret 61% 14 White-crowned Sparrow 61% 15 Gadwall 59% 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 Coot98%
Ruddy Duck91%
Bufflehead87%
Ring-necked Duck81%
Mallard78%
Northern Shoveler74%
Western Grebe74%
California Scrub-Jay69%
Black Phoebe65%
Turkey Vulture65%
Pied-billed Grebe63%
Redhead63%
Great Egret61%
White-crowned Sparrow61%
Gadwall59%