WhenToBird

Birding spot · Allegheny County, Pennsylvania

Birding at Ninemile Run: What You'll See Each Week

In November, the birds most often reported at Ninemile Run are Mallard (96%), American Robin (71%), and Carolina Wren (50%). It is busiest in spring, when 56 species turn up on at least 1 in 20 checklists, and species counts peak in early May (63 species). 166 species have been reported here across 3,315 complete checklists from 524 birders.

Species by week

020406080Jan 1-7: 35 species on 5%+ of 115 checklistsJan 8-14: 36 species on 5%+ of 115 checklistsJan 15-21: 43 species on 5%+ of 100 checklistsJan 22-31: 35 species on 5%+ of 127 checklistsFeb 1-7: 41 species on 5%+ of 114 checklistsFeb 8-14: 42 species on 5%+ of 90 checklistsFeb 15-21: 43 species on 5%+ of 105 checklistsFeb 22-28: 46 species on 5%+ of 97 checklistsMar 1-7: 43 species on 5%+ of 94 checklistsMar 8-14: 45 species on 5%+ of 118 checklistsMar 15-21: 48 species on 5%+ of 109 checklistsMar 22-31: 55 species on 5%+ of 197 checklistsApr 1-7: 54 species on 5%+ of 98 checklistsApr 8-14: 47 species on 5%+ of 123 checklistsApr 15-21: 48 species on 5%+ of 168 checklistsApr 22-30: 55 species on 5%+ of 210 checklistsMay 1-7: 63 species on 5%+ of 84 checklistsMay 8-14: 48 species on 5%+ of 65 checklistsMay 15-21: 50 species on 5%+ of 41 checklistsMay 22-31: 51 species on 5%+ of 44 checklistsJun 1-7: 57 species on 5%+ of 17 checklistsJun 8-14: 50 species on 5%+ of 18 checklistsJun 15-21: 51 species on 5%+ of 22 checklistsJun 22-30: 47 species on 5%+ of 23 checklistsJul 1-7: 45 species on 5%+ of 25 checklistsJul 8-14: 55 species on 5%+ of 16 checklistsJul 15-21: 49 species on 5%+ of 20 checklistsJul 22-31: 48 species on 5%+ of 30 checklistsAug 1-7: 40 species on 5%+ of 27 checklistsAug 8-14: 45 species on 5%+ of 15 checklistsAug 15-21: 50 species on 5%+ of 17 checklistsAug 22-31: 41 species on 5%+ of 35 checklistsSep 1-7: 37 species on 5%+ of 28 checklistsSep 8-14: 49 species on 5%+ of 16 checklistsSep 15-21: 42 species on 5%+ of 13 checklistsSep 22-30: 46 species on 5%+ of 17 checklistsOct 1-7: 37 species on 5%+ of 48 checklistsOct 8-14: 37 species on 5%+ of 27 checklistsOct 15-21: 41 species on 5%+ of 27 checklistsOct 22-31: 40 species on 5%+ of 73 checklistsNov 1-7: 38 species on 5%+ of 61 checklistsNov 8-14: 46 species on 5%+ of 52 checklistsNov 15-21: 41 species on 5%+ of 46 checklistsNov 22-30: 45 species on 5%+ of 111 checklistsDec 1-7: 43 species on 5%+ of 53 checklistsDec 8-14: 35 species on 5%+ of 65 checklistsDec 15-21: 39 species on 5%+ of 62 checklistsDec 22-31: 41 species on 5%+ of 137 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. 1Mallard96%
  2. 2American Robin71%
  3. 3Carolina Wren50%
  4. 4Blue Jay49%
  5. 5Belted Kingfisher49%
  6. 6Northern Cardinal49%
  7. 7Song Sparrow47%
  8. 8White-throated Sparrow44%
  9. 9Downy Woodpecker40%
  10. 10Common Merganser34%
  11. 11Great Blue Heron29%
  12. 12Carolina Chickadee26%
  13. 13House Finch26%
  14. 14Pied-billed Grebe26%
  15. 15Ring-billed Gull25%

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 45 species

  1. Mallard97%
  2. Ring-billed Gull83%
  3. Common Merganser70%
  4. Northern Cardinal47%
  5. Belted Kingfisher45%

Spring 56 species

  1. Mallard95%
  2. Canada Goose88%
  3. Northern Cardinal80%
  4. American Robin78%
  5. Song Sparrow66%

Summer 47 species

  1. Mallard91%
  2. Northern Cardinal86%
  3. American Robin66%
  4. Carolina Wren66%
  5. Canada Goose64%

Fall 41 species

  1. Mallard92%
  2. American Robin58%
  3. Northern Cardinal57%
  4. Blue Jay56%
  5. Carolina Wren55%

Specialties

Birds reported far more often here than across Pennsylvania.

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.