Blue-tailed Emerald vs Carrizal Seedeater

Chlorostilbon mellisugus compared with Amaurospiza carrizalensis

Key Differences

• Blue-tailed Emerald is Least Concern while Carrizal Seedeater is Critically Endangered.

Taxonomic Classification

Rank	Blue-tailed Emerald	Carrizal Seedeater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Passeriformes (Songbirds)
Family	Trochilidae	Cardinalidae
Genus	Chlorostilbon	Amaurospiza
Species	Chlorostilbon mellisugus	Amaurospiza carrizalensis

Evolutionary Relationship

Blue-tailed Emerald and Carrizal Seedeater share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Blue-tailed Emerald

LC — Least Concern

Carrizal Seedeater

CR — Critically Endangered

Physical Characteristics

Attribute	Blue-tailed Emerald	Carrizal Seedeater
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.

Carrizal Seedeater

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Norway and Venezuela. Currently classified as Critically Endangered 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.

Carrizal Seedeater

The Carrizal Seedeater (Amaurospiza carrizalensis) is a species in the genus Amaurospiza. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Ne

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇻🇪 Venezuela