WhenToBird

Birding spot · Huntingdon County, Pennsylvania

Birding at Lake Perez (Stone Valley): What You'll See Each Week

In November, the birds most often reported at Lake Perez (Stone Valley) are Bufflehead (68%), Pied-billed Grebe (61%), and American Crow (58%). It is busiest in spring, when 75 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (79 species). 164 species have been reported here across 1,320 complete checklists from 321 birders.

Species by week

020406080Jan 1-7: 33 species on 5%+ of 13 checklistsJan 8-14: low data (3 checklists)Jan 15-21: low data (5 checklists)Jan 22-31: low data (7 checklists)Feb 1-7: low data (8 checklists)Feb 8-14: low data (8 checklists)Feb 15-21: low data (9 checklists)Feb 22-28: 43 species on 5%+ of 34 checklistsMar 1-7: 44 species on 5%+ of 33 checklistsMar 8-14: 54 species on 5%+ of 52 checklistsMar 15-21: 49 species on 5%+ of 63 checklistsMar 22-31: 61 species on 5%+ of 134 checklistsApr 1-7: 64 species on 5%+ of 76 checklistsApr 8-14: 62 species on 5%+ of 77 checklistsApr 15-21: 76 species on 5%+ of 76 checklistsApr 22-30: 72 species on 5%+ of 85 checklistsMay 1-7: 74 species on 5%+ of 84 checklistsMay 8-14: 79 species on 5%+ of 28 checklistsMay 15-21: 73 species on 5%+ of 25 checklistsMay 22-31: 79 species on 5%+ of 20 checklistsJun 1-7: 55 species on 5%+ of 12 checklistsJun 8-14: 59 species on 5%+ of 15 checklistsJun 15-21: low data (8 checklists)Jun 22-30: 57 species on 5%+ of 12 checklistsJul 1-7: low data (6 checklists)Jul 8-14: low data (6 checklists)Jul 15-21: 43 species on 5%+ of 10 checklistsJul 22-31: 67 species on 5%+ of 15 checklistsAug 1-7: low data (6 checklists)Aug 8-14: 53 species on 5%+ of 12 checklistsAug 15-21: 49 species on 5%+ of 13 checklistsAug 22-31: 54 species on 5%+ of 15 checklistsSep 1-7: 64 species on 5%+ of 19 checklistsSep 8-14: 56 species on 5%+ of 17 checklistsSep 15-21: 67 species on 5%+ of 15 checklistsSep 22-30: 44 species on 5%+ of 22 checklistsOct 1-7: 44 species on 5%+ of 16 checklistsOct 8-14: low data (9 checklists)Oct 15-21: 54 species on 5%+ of 16 checklistsOct 22-31: 52 species on 5%+ of 55 checklistsNov 1-7: 45 species on 5%+ of 34 checklistsNov 8-14: 41 species on 5%+ of 32 checklistsNov 15-21: 38 species on 5%+ of 27 checklistsNov 22-30: 31 species on 5%+ of 24 checklistsDec 1-7: 35 species on 5%+ of 21 checklistsDec 8-14: 26 species on 5%+ of 21 checklistsDec 15-21: 38 species on 5%+ of 14 checklistsDec 22-31: low data (8 checklists)JanFebMarAprMayJunJulAugSepOctNovDec
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. 1Bufflehead68%
  2. 2Pied-billed Grebe61%
  3. 3American Crow58%
  4. 4Mallard48%
  5. 5Canada Goose46%
  6. 6Ring-necked Duck34%
  7. 7White-throated Sparrow29%
  8. 8Blue Jay28%
  9. 9Black-capped Chickadee26%
  10. 10Common Raven25%
  11. 11Song Sparrow25%
  12. 12White-breasted Nuthatch24%
  13. 13Dark-eyed Junco20%
  14. 14Pileated Woodpecker20%
  15. 15Hooded Merganser19%

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 40 species

  1. American Crow57%
  2. Canada Goose50%
  3. Mallard42%
  4. Dark-eyed Junco32%
  5. White-breasted Nuthatch31%

Spring 75 species

  1. Red-winged Blackbird63%
  2. American Robin59%
  3. Tree Swallow51%
  4. Mallard50%
  5. American Crow46%

Summer 55 species

  1. American Robin61%
  2. American Goldfinch58%
  3. Chipping Sparrow56%
  4. Red-eyed Vireo56%
  5. Cedar Waxwing55%

Fall 47 species

  1. American Crow59%
  2. Pied-billed Grebe53%
  3. Blue Jay45%
  4. Mallard40%
  5. Canada Goose38%

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.