Alder Flycatcher vs Eurasian beaver

Empidonax alnorum compared with Castor fiber

Key Differences

• Alder Flycatcher is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Alder Flycatcher	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Tyrannidae	Castoridae (Beavers)
Genus	Empidonax	Castor (Beavers)
Species	Empidonax alnorum	Castor fiber

Evolutionary Relationship

Alder Flycatcher and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alder Flycatcher

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Alder Flycatcher	Eurasian beaver
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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway