DFO Field Trips Summary

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

407 species (3,777,760 individuals) recorded on DFO field trips

Participants since mid-2014 (website registration)

2023  489 2022  572 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
White-winged Crossbill
Anna's Hummingbird
Mexican Whip-poor-will
Purple Finch
Common Gallinule
Lucy's Warbler
Black-billed Cuckoo
Hermit Warbler
Lesser Nighthawk
Blue-winged Warbler
Buff-breasted Sandpiper
Eastern Wood-Pewee
Least Bittern
Pomarine Jaeger
Laughing Gull
Fork-tailed Flycatcher
Canada Warbler
Cape May Warbler
Eurasian Wigeon
White Ibis
Harris's Hawk
Hudsonian Godwit
Blue-headed Vireo
Kentucky Warbler
Slaty-backed Gull
Mexican Duck
Cassia Crossbill
Brown Pelican