WhenToBird

Birding spot · Cumberland County, Maine

Birding at Rachel Carson National Wildlife Refuge: What You'll See Each Week

In November, the birds most often reported at Rachel Carson National Wildlife Refuge are Snowy Egret (70%), Great Egret (69%), and Canada Goose (59%). It is busiest in spring, when 52 species turn up on at least 1 in 20 checklists, and species counts peak in mid July (65 species). 129 species have been reported here across 946 complete checklists from 248 birders.

Species by week

020406080Jan 1-7: low data (3 checklists)Jan 8-14: low data (1 checklists)Jan 15-21: low data (1 checklists)Jan 22-31: low data (1 checklists)Feb 1-7: low data (0 checklists)Feb 8-14: low data (3 checklists)Feb 15-21: low data (1 checklists)Feb 22-28: low data (2 checklists)Mar 1-7: low data (1 checklists)Mar 8-14: low data (3 checklists)Mar 15-21: low data (6 checklists)Mar 22-31: 34 species on 5%+ of 31 checklistsApr 1-7: 39 species on 5%+ of 38 checklistsApr 8-14: 40 species on 5%+ of 63 checklistsApr 15-21: 42 species on 5%+ of 70 checklistsApr 22-30: 51 species on 5%+ of 99 checklistsMay 1-7: 48 species on 5%+ of 92 checklistsMay 8-14: 44 species on 5%+ of 60 checklistsMay 15-21: 51 species on 5%+ of 40 checklistsMay 22-31: 49 species on 5%+ of 43 checklistsJun 1-7: 43 species on 5%+ of 26 checklistsJun 8-14: 62 species on 5%+ of 16 checklistsJun 15-21: 64 species on 5%+ of 18 checklistsJun 22-30: 53 species on 5%+ of 14 checklistsJul 1-7: 53 species on 5%+ of 12 checklistsJul 8-14: 39 species on 5%+ of 22 checklistsJul 15-21: 65 species on 5%+ of 20 checklistsJul 22-31: 46 species on 5%+ of 27 checklistsAug 1-7: 35 species on 5%+ of 23 checklistsAug 8-14: 35 species on 5%+ of 26 checklistsAug 15-21: 39 species on 5%+ of 29 checklistsAug 22-31: 36 species on 5%+ of 35 checklistsSep 1-7: 21 species on 5%+ of 21 checklistsSep 8-14: 31 species on 5%+ of 13 checklistsSep 15-21: 40 species on 5%+ of 11 checklistsSep 22-30: 26 species on 5%+ of 13 checklistsOct 1-7: low data (8 checklists)Oct 8-14: low data (8 checklists)Oct 15-21: low data (5 checklists)Oct 22-31: 28 species on 5%+ of 15 checklistsNov 1-7: low data (8 checklists)Nov 8-14: low data (3 checklists)Nov 15-21: low data (3 checklists)Nov 22-30: low data (3 checklists)Dec 1-7: low data (0 checklists)Dec 8-14: low data (3 checklists)Dec 15-21: low data (4 checklists)Dec 22-31: low data (2 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. 1Snowy Egret70%
  2. 2Great Egret69%
  3. 3Canada Goose59%
  4. 4American Crow57%
  5. 5Glossy Ibis53%
  6. 6Greater Yellowlegs48%
  7. 7Red-winged Blackbird43%
  8. 8Mallard40%
  9. 9Great Blue Heron33%
  10. 10Double-crested Cormorant33%
  11. 11American Black Duck31%
  12. 12Lesser Yellowlegs31%
  13. 13Barn Swallow30%
  14. 14American Herring Gull29%
  15. 15Tree Swallow28%

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 0 species

    Spring 52 species

    1. Canada Goose86%
    2. Snowy Egret73%
    3. Great Egret69%
    4. Glossy Ibis66%
    5. American Crow59%

    Summer 49 species

    1. Snowy Egret81%
    2. Great Egret76%
    3. Glossy Ibis52%
    4. American Crow51%
    5. Least Sandpiper49%

    Fall 29 species

    1. Great Egret64%
    2. Greater Yellowlegs59%
    3. American Crow52%
    4. Great Blue Heron46%
    5. Snowy Egret45%

    Specialties

    Birds reported far more often here than across Maine.

    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.