Gray-crowned Flycatcher / Gray-crowned Flatbill vs Yellow-olive Flycatcher / Yellow-olive Flatbill

Tolmomyias poliocephalus compared with Tolmomyias sulphurescens

Taxonomic Classification

Rank	Gray-crowned Flycatcher / Gray-crowned Flatbill	Yellow-olive Flycatcher / Yellow-olive Flatbill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Passeriformes (Songbirds)	Passeriformes (Songbirds)
Family same	Tyrannidae	Tyrannidae
Genus same	Tolmomyias	Tolmomyias
Species	Tolmomyias poliocephalus	Tolmomyias sulphurescens

Evolutionary Relationship

Gray-crowned Flycatcher / Gray-crowned Flatbill and Yellow-olive Flycatcher / Yellow-olive Flatbill share a common ancestor at the Genus level: Tolmomyias.

Conservation Status

Gray-crowned Flycatcher / Gray-crowned Flatbill

LC — Least Concern

Yellow-olive Flycatcher / Yellow-olive Flatbill

LC — Least Concern

Physical Characteristics

Attribute	Gray-crowned Flycatcher / Gray-crowned Flatbill	Yellow-olive Flycatcher / Yellow-olive Flatbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-crowned Flycatcher / Gray-crowned Flatbill

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-olive Flycatcher / Yellow-olive Flatbill

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-olive Flycatcher / Yellow-olive Flatbill

Yellow-olive Flycatcher / Yellow-olive Flatbill (Tolmomyias sulphurescens) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇻🇪 Venezuela