Blue-tailed Emerald vs Caspian Shrew

Chlorostilbon mellisugus compared with Crocidura caspica

Key Differences

• Blue-tailed Emerald is Least Concern while Caspian Shrew is Data Deficient.

Taxonomic Classification

Rank	Blue-tailed Emerald	Caspian Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Soricomorpha (Soricomorpha)
Family	Trochilidae	Soricidae
Genus	Chlorostilbon	Crocidura
Species	Chlorostilbon mellisugus	Crocidura caspica

Evolutionary Relationship

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

Conservation Status

Blue-tailed Emerald

LC — Least Concern

Caspian Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Blue-tailed Emerald	Caspian Shrew
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.

Caspian Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Caspian Shrew

The Caspian Shrew (Crocidura caspica) is a species in the genus Crocidura. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.