WhenToBird

Birding spot · New London County, Connecticut

Birding at Griswold Cove: What You'll See Each Week

In November, the birds most often reported at Griswold Cove are American Herring Gull (84%), Song Sparrow (78%), and American Crow (74%). It is busiest in fall, when 68 species turn up on at least 1 in 20 checklists, and species counts peak in mid October (83 species). 158 species have been reported here across 896 complete checklists from 207 birders.

Species by week

020406080100Jan 1-7: 41 species on 5%+ of 55 checklistsJan 8-14: 36 species on 5%+ of 36 checklistsJan 15-21: 36 species on 5%+ of 33 checklistsJan 22-31: 34 species on 5%+ of 31 checklistsFeb 1-7: 32 species on 5%+ of 29 checklistsFeb 8-14: 43 species on 5%+ of 28 checklistsFeb 15-21: 37 species on 5%+ of 30 checklistsFeb 22-28: 30 species on 5%+ of 25 checklistsMar 1-7: 41 species on 5%+ of 17 checklistsMar 8-14: low data (9 checklists)Mar 15-21: 42 species on 5%+ of 30 checklistsMar 22-31: 33 species on 5%+ of 32 checklistsApr 1-7: 45 species on 5%+ of 11 checklistsApr 8-14: low data (7 checklists)Apr 15-21: low data (8 checklists)Apr 22-30: 46 species on 5%+ of 15 checklistsMay 1-7: low data (7 checklists)May 8-14: 45 species on 5%+ of 12 checklistsMay 15-21: 63 species on 5%+ of 15 checklistsMay 22-31: 58 species on 5%+ of 25 checklistsJun 1-7: 45 species on 5%+ of 12 checklistsJun 8-14: 68 species on 5%+ of 20 checklistsJun 15-21: low data (6 checklists)Jun 22-30: 54 species on 5%+ of 13 checklistsJul 1-7: low data (6 checklists)Jul 8-14: low data (9 checklists)Jul 15-21: 62 species on 5%+ of 15 checklistsJul 22-31: 59 species on 5%+ of 12 checklistsAug 1-7: 56 species on 5%+ of 14 checklistsAug 8-14: low data (9 checklists)Aug 15-21: 59 species on 5%+ of 17 checklistsAug 22-31: 55 species on 5%+ of 17 checklistsSep 1-7: low data (6 checklists)Sep 8-14: 54 species on 5%+ of 11 checklistsSep 15-21: 65 species on 5%+ of 12 checklistsSep 22-30: 41 species on 5%+ of 16 checklistsOct 1-7: low data (7 checklists)Oct 8-14: 68 species on 5%+ of 31 checklistsOct 15-21: 83 species on 5%+ of 14 checklistsOct 22-31: 80 species on 5%+ of 18 checklistsNov 1-7: 71 species on 5%+ of 31 checklistsNov 8-14: 76 species on 5%+ of 34 checklistsNov 15-21: 73 species on 5%+ of 19 checklistsNov 22-30: 32 species on 5%+ of 21 checklistsDec 1-7: 41 species on 5%+ of 18 checklistsDec 8-14: 26 species on 5%+ of 23 checklistsDec 15-21: 47 species on 5%+ of 11 checklistsDec 22-31: 56 species on 5%+ of 19 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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. 1American Herring Gull84%
  2. 2Song Sparrow78%
  3. 3American Crow74%
  4. 4Great Blue Heron59%
  5. 5European Starling57%
  6. 6Double-crested Cormorant53%
  7. 7House Finch50%
  8. 8American Black Duck47%
  9. 9Northern Harrier47%
  10. 10Blue Jay45%
  11. 11Northern Mockingbird42%
  12. 12American Goldfinch41%
  13. 13White-throated Sparrow40%
  14. 14Ring-billed Gull38%
  15. 15Carolina Wren34%

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

Winter 37 species

  1. Song Sparrow58%
  2. American Herring Gull57%
  3. Common Loon47%
  4. Northern Harrier45%
  5. Red-breasted Merganser45%

Spring 50 species

  1. Osprey72%
  2. Red-winged Blackbird69%
  3. American Herring Gull61%
  4. Song Sparrow50%
  5. American Robin46%

Summer 62 species

  1. Osprey99%
  2. Great Egret84%
  3. Double-crested Cormorant78%
  4. American Herring Gull77%
  5. Willet70%

Fall 68 species

  1. American Herring Gull86%
  2. American Crow70%
  3. Double-crested Cormorant69%
  4. Song Sparrow61%
  5. Great Blue Heron59%

Specialties

Birds reported far more often here than across Connecticut.

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.