Birding spot · San Diego County, California
Birding at Hollis Lake: What You'll See Each Week In November, the birds most often reported at Hollis Lake are American Coot (96%), Yellow-rumped Warbler (87%), and Gadwall (83%). It is busiest in spring, when 87 species turn up on at least 1 in 20 checklists, and species counts peak in late April (83 species). 156 species have been reported here across 2,002 complete checklists from 581 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 61 species on 5%+ of 33 checklists Jan 8-14: 56 species on 5%+ of 30 checklists Jan 15-21: 58 species on 5%+ of 25 checklists Jan 22-31: 63 species on 5%+ of 42 checklists Feb 1-7: 61 species on 5%+ of 28 checklists Feb 8-14: 66 species on 5%+ of 31 checklists Feb 15-21: 64 species on 5%+ of 38 checklists Feb 22-28: 63 species on 5%+ of 35 checklists Mar 1-7: 77 species on 5%+ of 37 checklists Mar 8-14: 70 species on 5%+ of 33 checklists Mar 15-21: 78 species on 5%+ of 30 checklists Mar 22-31: 70 species on 5%+ of 62 checklists Apr 1-7: 81 species on 5%+ of 67 checklists Apr 8-14: 79 species on 5%+ of 97 checklists Apr 15-21: 80 species on 5%+ of 89 checklists Apr 22-30: 83 species on 5%+ of 93 checklists May 1-7: 78 species on 5%+ of 51 checklists May 8-14: 78 species on 5%+ of 50 checklists May 15-21: 68 species on 5%+ of 43 checklists May 22-31: 65 species on 5%+ of 48 checklists Jun 1-7: 68 species on 5%+ of 30 checklists Jun 8-14: 66 species on 5%+ of 33 checklists Jun 15-21: 64 species on 5%+ of 35 checklists Jun 22-30: 64 species on 5%+ of 36 checklists Jul 1-7: 61 species on 5%+ of 26 checklists Jul 8-14: 60 species on 5%+ of 23 checklists Jul 15-21: 69 species on 5%+ of 17 checklists Jul 22-31: 67 species on 5%+ of 40 checklists Aug 1-7: 60 species on 5%+ of 32 checklists Aug 8-14: 55 species on 5%+ of 27 checklists Aug 15-21: 58 species on 5%+ of 35 checklists Aug 22-31: 57 species on 5%+ of 31 checklists Sep 1-7: 57 species on 5%+ of 27 checklists Sep 8-14: 63 species on 5%+ of 43 checklists Sep 15-21: 60 species on 5%+ of 49 checklists Sep 22-30: 68 species on 5%+ of 50 checklists Oct 1-7: 64 species on 5%+ of 35 checklists Oct 8-14: 78 species on 5%+ of 38 checklists Oct 15-21: 67 species on 5%+ of 47 checklists Oct 22-31: 57 species on 5%+ of 25 checklists Nov 1-7: 61 species on 5%+ of 28 checklists Nov 8-14: 66 species on 5%+ of 50 checklists Nov 15-21: 65 species on 5%+ of 80 checklists Nov 22-30: 62 species on 5%+ of 58 checklists Dec 1-7: 70 species on 5%+ of 38 checklists Dec 8-14: 60 species on 5%+ of 23 checklists Dec 15-21: 55 species on 5%+ of 23 checklists Dec 22-31: 58 species on 5%+ of 61 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 96% 2 Yellow-rumped Warbler 87% 3 Gadwall 83% 4 Common Gallinule 83% 5 Pied-billed Grebe 79% 6 American Crow 76% 7 Ruddy Duck 75% 8 White-crowned Sparrow 74% 9 Black Phoebe 72% 10 Nuttall's Woodpecker 72% 11 House Finch 71% 12 Song Sparrow 71% 13 Anna's Hummingbird 70% 14 Ruby-crowned Kinglet 67% 15 California Scrub-Jay 66% 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 Coot96%
Yellow-rumped Warbler87%
Gadwall83%
Common Gallinule83%
Pied-billed Grebe79%
American Crow76%
Ruddy Duck75%
White-crowned Sparrow74%
Black Phoebe72%
Nuttall's Woodpecker72%
House Finch71%
Song Sparrow71%
Anna's Hummingbird70%
Ruby-crowned Kinglet67%
California Scrub-Jay66%