Birds
Over 30 bird species from more than 20 families — feathers, skulls, and complete skeletons.
Shoreline Birds
Pseudocrypturus cercanaxius
A long-legged, long-beaked wading bird from the shoreline of Fossil Lake.
Land Fowl
Gallinuloides wyomingensis
The oldest known galliform — and the first bird species discovered in the FBM.
Early Rollers
Primobucco mcgrewi
A stem roller — one of the most common bird species found from Fossil Lake.
Parrots
Cyrilavis colburnorum
An early parrot from Fossil Lake — among the earliest well-preserved fossil parrots in the world.
Parrots
Tynskya eocaena
An early parrot-relative from the Messelasturidae family at Fossil Lake.
Frogmouths, Swifts, and Oilbirds
Fluvioviridavis platyrhamphus
The earliest known frogmouth — found only in nearshore quarries so far.
Frogmouths, Swifts, and Oilbirds
Prefica nivea
An extinct oilbird — the only extinct member of a family that today includes just one living species.
Undescribed
Undescribed species
A new undescribed bird specimen from Fossil Butte (catalog FOBU20845b).