WhenToBird

Birding spot · Tompkins County, New York

Birding at Renwick Brook: What You'll See Each Week

In November, the birds most often reported at Renwick Brook are Mallard (79%), Ring-billed Gull (75%), and American Herring Gull (65%). It is busiest in spring, when 55 species turn up on at least 1 in 20 checklists, and species counts peak in early May (64 species). 113 species have been reported here across 1,386 complete checklists from 349 birders.

Species by week

020406080Jan 1-7: 33 species on 5%+ of 94 checklistsJan 8-14: 34 species on 5%+ of 94 checklistsJan 15-21: 36 species on 5%+ of 104 checklistsJan 22-31: 38 species on 5%+ of 120 checklistsFeb 1-7: 33 species on 5%+ of 63 checklistsFeb 8-14: 39 species on 5%+ of 77 checklistsFeb 15-21: 35 species on 5%+ of 48 checklistsFeb 22-28: 40 species on 5%+ of 57 checklistsMar 1-7: 39 species on 5%+ of 44 checklistsMar 8-14: 46 species on 5%+ of 38 checklistsMar 15-21: 47 species on 5%+ of 19 checklistsMar 22-31: 49 species on 5%+ of 56 checklistsApr 1-7: 42 species on 5%+ of 32 checklistsApr 8-14: 53 species on 5%+ of 32 checklistsApr 15-21: 52 species on 5%+ of 36 checklistsApr 22-30: 47 species on 5%+ of 26 checklistsMay 1-7: 64 species on 5%+ of 20 checklistsMay 8-14: 55 species on 5%+ of 20 checklistsMay 15-21: low data (2 checklists)May 22-31: low data (6 checklists)Jun 1-7: low data (4 checklists)Jun 8-14: low data (1 checklists)Jun 15-21: low data (2 checklists)Jun 22-30: low data (3 checklists)Jul 1-7: low data (4 checklists)Jul 8-14: low data (0 checklists)Jul 15-21: low data (1 checklists)Jul 22-31: low data (2 checklists)Aug 1-7: low data (1 checklists)Aug 8-14: low data (4 checklists)Aug 15-21: low data (1 checklists)Aug 22-31: low data (5 checklists)Sep 1-7: low data (2 checklists)Sep 8-14: low data (0 checklists)Sep 15-21: low data (2 checklists)Sep 22-30: low data (3 checklists)Oct 1-7: low data (5 checklists)Oct 8-14: low data (9 checklists)Oct 15-21: 34 species on 5%+ of 14 checklistsOct 22-31: 40 species on 5%+ of 26 checklistsNov 1-7: 38 species on 5%+ of 27 checklistsNov 8-14: 37 species on 5%+ of 37 checklistsNov 15-21: 46 species on 5%+ of 18 checklistsNov 22-30: 34 species on 5%+ of 33 checklistsDec 1-7: 29 species on 5%+ of 58 checklistsDec 8-14: 31 species on 5%+ of 45 checklistsDec 15-21: 39 species on 5%+ of 38 checklistsDec 22-31: 33 species on 5%+ of 53 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. 1Mallard79%
  2. 2Ring-billed Gull75%
  3. 3American Herring Gull65%
  4. 4Double-crested Cormorant62%
  5. 5Great Black-backed Gull60%
  6. 6Common Merganser47%
  7. 7Canada Goose44%
  8. 8Common Loon42%
  9. 9Black Scoter32%
  10. 10Bufflehead26%
  11. 11American Coot23%
  12. 12Blue Jay23%
  13. 13Hooded Merganser22%
  14. 14American Crow20%
  15. 15Lesser Scaup16%

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. Mallard83%
  2. Common Merganser71%
  3. American Herring Gull71%
  4. Canada Goose70%
  5. Great Black-backed Gull67%

Spring 55 species

  1. Common Merganser81%
  2. Ring-billed Gull65%
  3. American Herring Gull62%
  4. Bufflehead59%
  5. Mallard57%

Summer 0 species

    Fall 39 species

    1. Mallard82%
    2. Ring-billed Gull77%
    3. Double-crested Cormorant73%
    4. American Herring Gull69%
    5. Great Black-backed Gull59%

    Specialties

    Birds reported far more often here than across New York.

    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.