DFO Field Trips Summary

All birding data is from checklists in the dfobirders eBird account beginning in 1979.

457 species (4,125,048 individuals) recorded on DFO field trips

Participants since mid-2014 (website registration)

2024  464 2023  571 2022  571
2021  363 2020  171 2019  473
2018  466 2017  365 2016  305
2015  346 2014  163

Top 10 Species Reported


Rarest Species Reported

These species have been recorded on only one trip.

Sedge Wren
Gunnison Sage-Grouse
Blue-winged Warbler
Common Black Hawk
Lucifer Hummingbird
Bendire's Thrasher
Varied Bunting
Eastern Wood-Pewee
Least Bittern
Common Gallinule
Laughing Gull
Five-striped Sparrow
Hermit Warbler
Buff-breasted Flycatcher
Berylline Hummingbird
Buff-breasted Sandpiper
Cape May Warbler
Fork-tailed Flycatcher
Canada Warbler
Crested Caracara
Eurasian Wigeon
White Ibis
Black-tailed Gnatcatcher
Green Kingfisher
Blue-headed Vireo
Gilded Flicker
Hudsonian Godwit
Violet-crowned Hummingbird
White-winged Crossbill
Tropical Kingbird
Slaty-backed Gull
Kentucky Warbler
Brown Pelican
Black-billed Cuckoo
Cassia Crossbill