Birding spot · Contra Costa County, California
Birding at Lafayette Reservoir: What You'll See Each Week In November, the birds most often reported at Lafayette Reservoir are Double-crested Cormorant (90%), American Crow (81%), and Pied-billed Grebe (79%). It is busiest in fall, when 84 species turn up on at least 1 in 20 checklists, and species counts peak in mid November (96 species). 157 species have been reported here across 1,057 complete checklists from 421 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 74 species on 5%+ of 60 checklists Jan 8-14: 84 species on 5%+ of 39 checklists Jan 15-21: 73 species on 5%+ of 34 checklists Jan 22-31: 77 species on 5%+ of 29 checklists Feb 1-7: 77 species on 5%+ of 16 checklists Feb 8-14: 81 species on 5%+ of 34 checklists Feb 15-21: 73 species on 5%+ of 32 checklists Feb 22-28: 84 species on 5%+ of 32 checklists Mar 1-7: 86 species on 5%+ of 21 checklists Mar 8-14: 67 species on 5%+ of 21 checklists Mar 15-21: 89 species on 5%+ of 17 checklists Mar 22-31: 68 species on 5%+ of 26 checklists Apr 1-7: 90 species on 5%+ of 19 checklists Apr 8-14: 95 species on 5%+ of 12 checklists Apr 15-21: 81 species on 5%+ of 17 checklists Apr 22-30: 73 species on 5%+ of 26 checklists May 1-7: 67 species on 5%+ of 13 checklists May 8-14: 80 species on 5%+ of 15 checklists May 15-21: 61 species on 5%+ of 12 checklists May 22-31: 66 species on 5%+ of 24 checklists Jun 1-7: 70 species on 5%+ of 14 checklists Jun 8-14: low data (8 checklists) Jun 15-21: 70 species on 5%+ of 14 checklists Jun 22-30: 62 species on 5%+ of 14 checklists Jul 1-7: low data (9 checklists) Jul 8-14: 70 species on 5%+ of 11 checklists Jul 15-21: 62 species on 5%+ of 13 checklists Jul 22-31: 62 species on 5%+ of 22 checklists Aug 1-7: low data (8 checklists) Aug 8-14: low data (9 checklists) Aug 15-21: low data (8 checklists) Aug 22-31: 66 species on 5%+ of 17 checklists Sep 1-7: 64 species on 5%+ of 10 checklists Sep 8-14: low data (8 checklists) Sep 15-21: 69 species on 5%+ of 14 checklists Sep 22-30: 57 species on 5%+ of 21 checklists Oct 1-7: 81 species on 5%+ of 15 checklists Oct 8-14: 84 species on 5%+ of 20 checklists Oct 15-21: 82 species on 5%+ of 19 checklists Oct 22-31: 71 species on 5%+ of 22 checklists Nov 1-7: 76 species on 5%+ of 15 checklists Nov 8-14: 78 species on 5%+ of 28 checklists Nov 15-21: 96 species on 5%+ of 18 checklists Nov 22-30: 85 species on 5%+ of 46 checklists Dec 1-7: 95 species on 5%+ of 17 checklists Dec 8-14: 80 species on 5%+ of 30 checklists Dec 15-21: 88 species on 5%+ of 58 checklists Dec 22-31: 74 species on 5%+ of 70 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 Double-crested Cormorant 90% 2 American Crow 81% 3 Pied-billed Grebe 79% 4 Ruby-crowned Kinglet 77% 5 Turkey Vulture 77% 6 Acorn Woodpecker 73% 7 Black Phoebe 73% 8 American Coot 71% 9 American White Pelican 70% 10 Oak Titmouse 70% 11 California Scrub-Jay 69% 12 Great Blue Heron 69% 13 Dark-eyed Junco 66% 14 Yellow-rumped Warbler 66% 15 Bufflehead 60% 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 .
Double-crested Cormorant90%
American Crow81%
Pied-billed Grebe79%
Ruby-crowned Kinglet77%
Turkey Vulture77%
Acorn Woodpecker73%
Black Phoebe73%
American Coot71%
American White Pelican70%
Oak Titmouse70%
California Scrub-Jay69%
Great Blue Heron69%
Dark-eyed Junco66%
Yellow-rumped Warbler66%
Bufflehead60%