Blue-tailed Emerald vs Eurasian beaver

Chlorostilbon mellisugus compared with Castor fiber

Key Differences

• Blue-tailed Emerald is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Blue-tailed Emerald	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Rodentia (Rodents)
Family	Trochilidae	Castoridae (Beavers)
Genus	Chlorostilbon	Castor (Beavers)
Species	Chlorostilbon mellisugus	Castor fiber

Evolutionary Relationship

Blue-tailed Emerald and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue-tailed Emerald

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Blue-tailed Emerald	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-tailed Emerald

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, 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.

Blue-tailed Emerald

A small, jewel-like hummingbird named for the brilliant blue-green iridescence of the tail feathers, male blue-tailed emeralds display glittering green plumage throughout with a contrasting deep blue-green forked tail. Found in lowland tropical forest edges, savannas, and gardens from Venezuela and Colombia east to Trinidad and south to Bolivia and Brazil. They are common in disturbed and secondary habitats, making them relatively resilient to habitat modification compared to more specialized hummingbirds.

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