Birding spot · King County, Washington
Birding at Hiram M. Chittenden Locks: What You'll See Each Week In November, the birds most often reported at Hiram M. Chittenden Locks are American Crow (91%), Double-crested Cormorant (90%), and Canada Goose (82%). It is busiest in spring, when 44 species turn up on at least 1 in 20 checklists, and species counts peak in mid December (59 species). 116 species have been reported here across 1,319 complete checklists from 677 birders.
Species by week 0 20 40 60 Jan 1-7: 47 species on 5%+ of 30 checklists Jan 8-14: 47 species on 5%+ of 25 checklists Jan 15-21: 48 species on 5%+ of 26 checklists Jan 22-31: 49 species on 5%+ of 33 checklists Feb 1-7: 44 species on 5%+ of 15 checklists Feb 8-14: 37 species on 5%+ of 25 checklists Feb 15-21: 39 species on 5%+ of 37 checklists Feb 22-28: 46 species on 5%+ of 27 checklists Mar 1-7: 55 species on 5%+ of 40 checklists Mar 8-14: 38 species on 5%+ of 28 checklists Mar 15-21: 38 species on 5%+ of 23 checklists Mar 22-31: 44 species on 5%+ of 35 checklists Apr 1-7: 38 species on 5%+ of 30 checklists Apr 8-14: 48 species on 5%+ of 17 checklists Apr 15-21: 44 species on 5%+ of 20 checklists Apr 22-30: 42 species on 5%+ of 29 checklists May 1-7: 34 species on 5%+ of 23 checklists May 8-14: 35 species on 5%+ of 27 checklists May 15-21: 44 species on 5%+ of 15 checklists May 22-31: 42 species on 5%+ of 27 checklists Jun 1-7: 29 species on 5%+ of 24 checklists Jun 8-14: 30 species on 5%+ of 13 checklists Jun 15-21: 37 species on 5%+ of 16 checklists Jun 22-30: 35 species on 5%+ of 30 checklists Jul 1-7: 41 species on 5%+ of 13 checklists Jul 8-14: 30 species on 5%+ of 21 checklists Jul 15-21: 25 species on 5%+ of 25 checklists Jul 22-31: 37 species on 5%+ of 37 checklists Aug 1-7: 39 species on 5%+ of 20 checklists Aug 8-14: 29 species on 5%+ of 26 checklists Aug 15-21: 30 species on 5%+ of 31 checklists Aug 22-31: 34 species on 5%+ of 38 checklists Sep 1-7: 25 species on 5%+ of 26 checklists Sep 8-14: 26 species on 5%+ of 28 checklists Sep 15-21: 27 species on 5%+ of 22 checklists Sep 22-30: 35 species on 5%+ of 29 checklists Oct 1-7: 35 species on 5%+ of 33 checklists Oct 8-14: 33 species on 5%+ of 27 checklists Oct 15-21: 35 species on 5%+ of 35 checklists Oct 22-31: 35 species on 5%+ of 44 checklists Nov 1-7: 44 species on 5%+ of 28 checklists Nov 8-14: 40 species on 5%+ of 27 checklists Nov 15-21: 36 species on 5%+ of 42 checklists Nov 22-30: 46 species on 5%+ of 53 checklists Dec 1-7: 52 species on 5%+ of 16 checklists Dec 8-14: 49 species on 5%+ of 16 checklists Dec 15-21: 59 species on 5%+ of 20 checklists Dec 22-31: 37 species on 5%+ of 47 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 Crow 91% 2 Double-crested Cormorant 90% 3 Canada Goose 82% 4 Glaucous-winged Gull 67% 5 Short-billed Gull 61% 6 Belted Kingfisher 56% 7 Great Blue Heron 53% 8 Heermann's Gull 49% 9 American Robin 47% 10 Rock Pigeon 44% 11 Anna's Hummingbird 39% 12 Yellow-rumped Warbler 38% 13 Song Sparrow 37% 14 Black-capped Chickadee 36% 15 Dark-eyed Junco 35% 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 Washington.
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 Crow91%
Double-crested Cormorant90%
Canada Goose82%
Glaucous-winged Gull67%
Short-billed Gull61%
Belted Kingfisher56%
Great Blue Heron53%
Heermann's Gull49%
American Robin47%
Rock Pigeon44%
Anna's Hummingbird39%
Yellow-rumped Warbler38%
Song Sparrow37%
Black-capped Chickadee36%
Dark-eyed Junco35%