Birding spot · Marin County, California
Birding at Rodeo Lagoon: What You'll See Each Week In November, the birds most often reported at Rodeo Lagoon are White-crowned Sparrow (80%), Black Phoebe (79%), and Mallard (79%). It is busiest in fall, when 119 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of October (115 species). 258 species have been reported here across 5,666 complete checklists from 1,523 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 92 species on 5%+ of 112 checklists Jan 8-14: 90 species on 5%+ of 86 checklists Jan 15-21: 86 species on 5%+ of 101 checklists Jan 22-31: 87 species on 5%+ of 132 checklists Feb 1-7: 95 species on 5%+ of 78 checklists Feb 8-14: 88 species on 5%+ of 73 checklists Feb 15-21: 85 species on 5%+ of 81 checklists Feb 22-28: 95 species on 5%+ of 91 checklists Mar 1-7: 96 species on 5%+ of 83 checklists Mar 8-14: 102 species on 5%+ of 76 checklists Mar 15-21: 98 species on 5%+ of 96 checklists Mar 22-31: 102 species on 5%+ of 156 checklists Apr 1-7: 102 species on 5%+ of 89 checklists Apr 8-14: 98 species on 5%+ of 80 checklists Apr 15-21: 101 species on 5%+ of 80 checklists Apr 22-30: 96 species on 5%+ of 98 checklists May 1-7: 91 species on 5%+ of 70 checklists May 8-14: 87 species on 5%+ of 67 checklists May 15-21: 81 species on 5%+ of 81 checklists May 22-31: 85 species on 5%+ of 128 checklists Jun 1-7: 83 species on 5%+ of 78 checklists Jun 8-14: 77 species on 5%+ of 69 checklists Jun 15-21: 75 species on 5%+ of 96 checklists Jun 22-30: 75 species on 5%+ of 102 checklists Jul 1-7: 80 species on 5%+ of 67 checklists Jul 8-14: 86 species on 5%+ of 85 checklists Jul 15-21: 83 species on 5%+ of 86 checklists Jul 22-31: 92 species on 5%+ of 116 checklists Aug 1-7: 83 species on 5%+ of 95 checklists Aug 8-14: 87 species on 5%+ of 110 checklists Aug 15-21: 98 species on 5%+ of 120 checklists Aug 22-31: 104 species on 5%+ of 218 checklists Sep 1-7: 99 species on 5%+ of 164 checklists Sep 8-14: 106 species on 5%+ of 144 checklists Sep 15-21: 106 species on 5%+ of 229 checklists Sep 22-30: 107 species on 5%+ of 242 checklists Oct 1-7: 113 species on 5%+ of 228 checklists Oct 8-14: 115 species on 5%+ of 143 checklists Oct 15-21: 96 species on 5%+ of 288 checklists Oct 22-31: 108 species on 5%+ of 249 checklists Nov 1-7: 114 species on 5%+ of 94 checklists Nov 8-14: 107 species on 5%+ of 154 checklists Nov 15-21: 109 species on 5%+ of 117 checklists Nov 22-30: 99 species on 5%+ of 134 checklists Dec 1-7: 107 species on 5%+ of 116 checklists Dec 8-14: 105 species on 5%+ of 72 checklists Dec 15-21: 95 species on 5%+ of 67 checklists Dec 22-31: 90 species on 5%+ of 125 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 White-crowned Sparrow 80% 2 Black Phoebe 79% 3 Mallard 79% 4 Double-crested Cormorant 79% 5 Great Blue Heron 75% 6 Common Raven 75% 7 Snowy Egret 73% 8 American Coot 72% 9 Ring-necked Duck 71% 10 Wrentit 70% 11 Brown Pelican 70% 12 Great Egret 70% 13 Song Sparrow 70% 14 Pied-billed Grebe 69% 15 Eared Grebe 68% 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 .
White-crowned Sparrow80%
Black Phoebe79%
Mallard79%
Double-crested Cormorant79%
Great Blue Heron75%
Common Raven75%
Snowy Egret73%
American Coot72%
Ring-necked Duck71%
Wrentit70%
Brown Pelican70%
Great Egret70%
Song Sparrow70%
Pied-billed Grebe69%
Eared Grebe68%