Birding spot · Humboldt County, California
Birding at Triangle Marsh: What You'll See Each Week In November, the birds most often reported at Triangle Marsh are Great Egret (91%), Black Phoebe (88%), and Song Sparrow (85%). It is busiest in spring, when 101 species turn up on at least 1 in 20 checklists, and species counts peak in mid December (123 species). 194 species have been reported here across 1,632 complete checklists from 740 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 93 species on 5%+ of 33 checklists Jan 8-14: 86 species on 5%+ of 37 checklists Jan 15-21: 86 species on 5%+ of 28 checklists Jan 22-31: 95 species on 5%+ of 70 checklists Feb 1-7: 93 species on 5%+ of 51 checklists Feb 8-14: 104 species on 5%+ of 54 checklists Feb 15-21: 88 species on 5%+ of 43 checklists Feb 22-28: 87 species on 5%+ of 42 checklists Mar 1-7: 92 species on 5%+ of 37 checklists Mar 8-14: 92 species on 5%+ of 52 checklists Mar 15-21: 97 species on 5%+ of 40 checklists Mar 22-31: 91 species on 5%+ of 46 checklists Apr 1-7: 84 species on 5%+ of 22 checklists Apr 8-14: 93 species on 5%+ of 37 checklists Apr 15-21: 97 species on 5%+ of 56 checklists Apr 22-30: 97 species on 5%+ of 32 checklists May 1-7: 74 species on 5%+ of 23 checklists May 8-14: 81 species on 5%+ of 28 checklists May 15-21: 72 species on 5%+ of 28 checklists May 22-31: 74 species on 5%+ of 30 checklists Jun 1-7: 67 species on 5%+ of 25 checklists Jun 8-14: 73 species on 5%+ of 58 checklists Jun 15-21: 58 species on 5%+ of 26 checklists Jun 22-30: 61 species on 5%+ of 22 checklists Jul 1-7: 72 species on 5%+ of 25 checklists Jul 8-14: 83 species on 5%+ of 18 checklists Jul 15-21: 82 species on 5%+ of 38 checklists Jul 22-31: 77 species on 5%+ of 45 checklists Aug 1-7: 78 species on 5%+ of 29 checklists Aug 8-14: 78 species on 5%+ of 34 checklists Aug 15-21: 75 species on 5%+ of 24 checklists Aug 22-31: 76 species on 5%+ of 45 checklists Sep 1-7: 76 species on 5%+ of 28 checklists Sep 8-14: 74 species on 5%+ of 24 checklists Sep 15-21: 72 species on 5%+ of 26 checklists Sep 22-30: 72 species on 5%+ of 26 checklists Oct 1-7: 87 species on 5%+ of 15 checklists Oct 8-14: 73 species on 5%+ of 24 checklists Oct 15-21: 90 species on 5%+ of 34 checklists Oct 22-31: 84 species on 5%+ of 43 checklists Nov 1-7: 102 species on 5%+ of 18 checklists Nov 8-14: 101 species on 5%+ of 35 checklists Nov 15-21: 81 species on 5%+ of 23 checklists Nov 22-30: 95 species on 5%+ of 33 checklists Dec 1-7: 101 species on 5%+ of 34 checklists Dec 8-14: 100 species on 5%+ of 30 checklists Dec 15-21: 123 species on 5%+ of 20 checklists Dec 22-31: 94 species on 5%+ of 41 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 Great Egret 91% 2 Black Phoebe 88% 3 Song Sparrow 85% 4 Marsh Wren 82% 5 Northern Harrier 79% 6 Ruby-crowned Kinglet 79% 7 Common Raven 73% 8 Yellow-rumped Warbler 72% 9 White-crowned Sparrow 69% 10 Black-capped Chickadee 68% 11 Cackling Goose 68% 12 American Robin 66% 13 Greater Yellowlegs 64% 14 House Finch 63% 15 Turkey Vulture 63% 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 .
Great Egret91%
Black Phoebe88%
Song Sparrow85%
Marsh Wren82%
Ruby-crowned Kinglet79%
Common Raven73%
Yellow-rumped Warbler72%
White-crowned Sparrow69%
Black-capped Chickadee68%
Cackling Goose68%
American Robin66%
Greater Yellowlegs64%
House Finch63%
Turkey Vulture63%