All birding data is from checklists in the dfobirders eBird account beginning in 1979.
458 species (4,365,785 individuals) recorded on DFO field trips
Participants since mid-2014 (website registration)
2025
160
|
2024
587
|
2023
571
|
2022
570
|
2021
362
|
2020
171
|
2019
473
|
2018
466
|
2017
365
|
2016
305
|
2015
346
|
2014
163
|
Rarest Species Reported
These species have been recorded on only one trip.
Sedge Wren
|
Lucifer Hummingbird
|
Bendire's Thrasher
|
Common Black Hawk
|
Eastern Wood-Pewee
|
Least Bittern
|
Varied Bunting
|
Laughing Gull
|
Five-striped Sparrow
|
Common Gallinule
|
Buff-breasted Flycatcher
|
Berylline Hummingbird
|
Hermit Warbler
|
Cape May Warbler
|
Fork-tailed Flycatcher
|
Canada Warbler
|
Crested Caracara
|
Eurasian Wigeon
|
White Ibis
|
Gilded Flicker
|
Green Kingfisher
|
Blue-headed Vireo
|
White-winged Crossbill
|
Hudsonian Godwit
|
Violet-crowned Hummingbird
|
Chukar
|
Tropical Kingbird
|
Slaty-backed Gull
|
Black-billed Cuckoo
|
Kentucky Warbler
|
Brown Pelican
|
Blue-winged Warbler
|
Cassia Crossbill
|
Gunnison Sage-Grouse
| | |