Birding spot · Los Angeles County, California
Birding at Sepulveda Basin Wildlife Reserve: What You'll See Each Week In November, the birds most often reported at Sepulveda Basin Wildlife Reserve are Mallard (93%), Double-crested Cormorant (90%), and Pied-billed Grebe (89%). It is busiest in spring, when 99 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of March (101 species). 236 species have been reported here across 5,230 complete checklists from 1,329 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 89 species on 5%+ of 183 checklists Jan 8-14: 84 species on 5%+ of 87 checklists Jan 15-21: 83 species on 5%+ of 106 checklists Jan 22-31: 86 species on 5%+ of 134 checklists Feb 1-7: 96 species on 5%+ of 120 checklists Feb 8-14: 86 species on 5%+ of 108 checklists Feb 15-21: 94 species on 5%+ of 104 checklists Feb 22-28: 90 species on 5%+ of 101 checklists Mar 1-7: 98 species on 5%+ of 130 checklists Mar 8-14: 101 species on 5%+ of 95 checklists Mar 15-21: 90 species on 5%+ of 113 checklists Mar 22-31: 95 species on 5%+ of 136 checklists Apr 1-7: 93 species on 5%+ of 122 checklists Apr 8-14: 88 species on 5%+ of 87 checklists Apr 15-21: 90 species on 5%+ of 122 checklists Apr 22-30: 89 species on 5%+ of 156 checklists May 1-7: 95 species on 5%+ of 128 checklists May 8-14: 84 species on 5%+ of 145 checklists May 15-21: 77 species on 5%+ of 101 checklists May 22-31: 77 species on 5%+ of 166 checklists Jun 1-7: 77 species on 5%+ of 128 checklists Jun 8-14: 75 species on 5%+ of 93 checklists Jun 15-21: 71 species on 5%+ of 94 checklists Jun 22-30: 70 species on 5%+ of 105 checklists Jul 1-7: 79 species on 5%+ of 100 checklists Jul 8-14: 75 species on 5%+ of 98 checklists Jul 15-21: 75 species on 5%+ of 84 checklists Jul 22-31: 77 species on 5%+ of 99 checklists Aug 1-7: 76 species on 5%+ of 101 checklists Aug 8-14: 79 species on 5%+ of 59 checklists Aug 15-21: 77 species on 5%+ of 74 checklists Aug 22-31: 80 species on 5%+ of 105 checklists Sep 1-7: 98 species on 5%+ of 94 checklists Sep 8-14: 87 species on 5%+ of 92 checklists Sep 15-21: 85 species on 5%+ of 117 checklists Sep 22-30: 85 species on 5%+ of 110 checklists Oct 1-7: 100 species on 5%+ of 113 checklists Oct 8-14: 89 species on 5%+ of 132 checklists Oct 15-21: 94 species on 5%+ of 73 checklists Oct 22-31: 88 species on 5%+ of 120 checklists Nov 1-7: 95 species on 5%+ of 107 checklists Nov 8-14: 88 species on 5%+ of 87 checklists Nov 15-21: 91 species on 5%+ of 66 checklists Nov 22-30: 83 species on 5%+ of 128 checklists Dec 1-7: 97 species on 5%+ of 92 checklists Dec 8-14: 87 species on 5%+ of 87 checklists Dec 15-21: 86 species on 5%+ of 72 checklists Dec 22-31: 85 species on 5%+ of 156 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 Mallard 93% 2 Double-crested Cormorant 90% 3 Pied-billed Grebe 89% 4 American Coot 87% 5 Black Phoebe 85% 6 White-crowned Sparrow 83% 7 Great Egret 81% 8 Snowy Egret 78% 9 Yellow-rumped Warbler 77% 10 California Towhee 77% 11 Mourning Dove 75% 12 Belted Kingfisher 73% 13 Turkey Vulture 73% 14 Red-tailed Hawk 72% 15 House Finch 71% 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 .
Mallard93%
Double-crested Cormorant90%
Pied-billed Grebe89%
American Coot87%
Black Phoebe85%
White-crowned Sparrow83%
Great Egret81%
Snowy Egret78%
Yellow-rumped Warbler77%
California Towhee77%
Mourning Dove75%
Belted Kingfisher73%
Turkey Vulture73%
Red-tailed Hawk72%
House Finch71%