Long-tailed Sylph vs Pernambuco Dwarf Porcupine

Aglaiocercus kingii compared with Coendou speratus

Key Differences

• Long-tailed Sylph is Least Concern while Pernambuco Dwarf Porcupine is Endangered.

Taxonomic Classification

Rank	Long-tailed Sylph	Pernambuco Dwarf Porcupine
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Apodiformes (Apodiformes)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Trochilidae	Erethizontidae
Genus	Aglaiocercus	Coendou
Species	Aglaiocercus kingii	Coendou speratus

Evolutionary Relationship

Long-tailed Sylph and Pernambuco Dwarf Porcupine share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Long-tailed Sylph

LC — Least Concern

Pernambuco Dwarf Porcupine

EN — Endangered

Physical Characteristics

Attribute	Long-tailed Sylph	Pernambuco Dwarf Porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Pernambuco Dwarf Porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Long-tailed Sylph

One of the most strikingly ornamented hummingbirds, male long-tailed sylphs have iridescent green plumage and dramatically elongated, ribbon-like outer tail feathers reaching up to 22 cm — over three times the body length. Found in Andean cloud forests of Colombia and Venezuela, they inhabit humid montane forest between 1,400–2,800 meters elevation. Males perform elaborate display flights to attract females. Their extravagant tails are a classic example of sexual selection via female preference.