Birding spot · Santa Cruz County, California
Birding at Watsonville Slough Ecological Reserve: What You'll See Each Week In November, the birds most often reported at Watsonville Slough Ecological Reserve are American Coot (90%), Black Phoebe (83%), and Mallard (82%). It is busiest in fall, when 89 species turn up on at least 1 in 20 checklists, and species counts peak in late December (102 species). 175 species have been reported here across 1,445 complete checklists from 368 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 81 species on 5%+ of 60 checklists Jan 8-14: 73 species on 5%+ of 40 checklists Jan 15-21: 77 species on 5%+ of 53 checklists Jan 22-31: 69 species on 5%+ of 54 checklists Feb 1-7: 70 species on 5%+ of 34 checklists Feb 8-14: 66 species on 5%+ of 35 checklists Feb 15-21: 75 species on 5%+ of 39 checklists Feb 22-28: 71 species on 5%+ of 32 checklists Mar 1-7: 67 species on 5%+ of 32 checklists Mar 8-14: 66 species on 5%+ of 33 checklists Mar 15-21: 62 species on 5%+ of 23 checklists Mar 22-31: 81 species on 5%+ of 16 checklists Apr 1-7: 82 species on 5%+ of 15 checklists Apr 8-14: 69 species on 5%+ of 16 checklists Apr 15-21: 60 species on 5%+ of 26 checklists Apr 22-30: 58 species on 5%+ of 23 checklists May 1-7: 70 species on 5%+ of 31 checklists May 8-14: 66 species on 5%+ of 32 checklists May 15-21: 74 species on 5%+ of 14 checklists May 22-31: 65 species on 5%+ of 15 checklists Jun 1-7: low data (9 checklists) Jun 8-14: low data (7 checklists) Jun 15-21: 58 species on 5%+ of 11 checklists Jun 22-30: low data (6 checklists) Jul 1-7: 70 species on 5%+ of 11 checklists Jul 8-14: low data (8 checklists) Jul 15-21: low data (9 checklists) Jul 22-31: 61 species on 5%+ of 10 checklists Aug 1-7: 69 species on 5%+ of 15 checklists Aug 8-14: 55 species on 5%+ of 21 checklists Aug 15-21: 59 species on 5%+ of 21 checklists Aug 22-31: 67 species on 5%+ of 65 checklists Sep 1-7: 70 species on 5%+ of 42 checklists Sep 8-14: 69 species on 5%+ of 25 checklists Sep 15-21: 79 species on 5%+ of 28 checklists Sep 22-30: 86 species on 5%+ of 57 checklists Oct 1-7: 93 species on 5%+ of 36 checklists Oct 8-14: 80 species on 5%+ of 83 checklists Oct 15-21: 88 species on 5%+ of 65 checklists Oct 22-31: 97 species on 5%+ of 60 checklists Nov 1-7: 89 species on 5%+ of 59 checklists Nov 8-14: 90 species on 5%+ of 35 checklists Nov 15-21: 76 species on 5%+ of 24 checklists Nov 22-30: 80 species on 5%+ of 37 checklists Dec 1-7: 89 species on 5%+ of 29 checklists Dec 8-14: 68 species on 5%+ of 12 checklists Dec 15-21: 80 species on 5%+ of 17 checklists Dec 22-31: 102 species on 5%+ of 20 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 90% 2 Black Phoebe 83% 3 Mallard 82% 4 Northern Shoveler 81% 5 Ruddy Duck 80% 6 Red-winged Blackbird 74% 7 Yellow-rumped Warbler 73% 8 Great Blue Heron 72% 9 Great Egret 66% 10 Black-crowned Night Heron 60% 11 House Finch 59% 12 Red-tailed Hawk 59% 13 American White Pelican 58% 14 Pied-billed Grebe 58% 15 Song Sparrow 55% 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 Coot90%
Black Phoebe83%
Mallard82%
Northern Shoveler81%
Ruddy Duck80%
Red-winged Blackbird74%
Yellow-rumped Warbler73%
Great Blue Heron72%
Great Egret66%
Black-crowned Night Heron60%
House Finch59%
Red-tailed Hawk59%
American White Pelican58%
Pied-billed Grebe58%
Song Sparrow55%