Alder Flycatcher vs Pallas's squirrel, Red-bellied tree squirrel

Empidonax alnorum compared with Callosciurus erythraeus

Key Differences

• Alder Flycatcher is Least Concern while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Alder Flycatcher	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Tyrannidae	Sciuridae (Squirrels)
Genus	Empidonax	Callosciurus
Species	Empidonax alnorum	Callosciurus erythraeus

Evolutionary Relationship

Alder Flycatcher and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alder Flycatcher

LC — Least Concern

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Alder Flycatcher	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Flycatcher

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

Alder Flycatcher

Alder Flycatcher (Empidonax alnorum) 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 1 countries:

🇳🇴 Norway