Grive de Bicknell vs Grive à dos olive

Catharus bicknelli compared with Catharus ustulatus

Key Differences

• Grive de Bicknell is Vulnerable while Grive à dos olive is Least Concern.

Taxonomic Classification

Rank	Grive de Bicknell	Grive à dos olive
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (oiseau)	Aves (oiseau)
Order same	Passeriformes (passereaux)	Passeriformes (passereaux)
Family same	Turdidae	Turdidae
Genus same	Catharus	Catharus
Species	Catharus bicknelli	Catharus ustulatus

Evolutionary Relationship

Grive de Bicknell and Grive à dos olive share a common ancestor at the Genus level: Catharus.

Conservation Status

Grive de Bicknell

VU — Vulnerable

Grive à dos olive

LC — Least Concern

Physical Characteristics

Attribute	Grive de Bicknell	Grive à dos olive
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grive de Bicknell

Habitat

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

Range

Distributed across Norway and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Grive à dos olive

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Grive de Bicknell

The Bicknell's Thrush (Catharus bicknelli) is a species in the genus Catharus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Grive à dos olive

Olive-Backed Thrush (Catharus ustulatus) 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 2 countries:

🇳🇴 Norway 🇺🇸 United States