Collared Antshrike vs Long-tailed Sylph

Thamnophilus bernardi compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Collared Antshrike	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Apodiformes (Apodiformes)
Family	Thamnophilidae	Trochilidae
Genus	Thamnophilus	Aglaiocercus
Species	Thamnophilus bernardi	Aglaiocercus kingii

Evolutionary Relationship

Collared Antshrike and Long-tailed Sylph share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Collared Antshrike

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Collared Antshrike	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Collared Antshrike

Habitat

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

Range

Distributed across Ecuador and Norway.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Collared Antshrike

<em>Thamnophilus bernardi</em>, the Collared Antshrike, is a passerine bird in the family Thamnophilidae, a group of antbirds found in the Neotropics. This species is assessed as Least Concern on the IUCN Red List. It is documented in Ecuador, where it inhabits scrub, thickets, and dry woodlands in the western lowlands and foothills. Members of the genus <em>Thamnophilus</em> are typically sexually dimorphic, with males often displaying strongly patterned plumage and females more cryptically colored. Antbirds in this family are known to glean insects and other arthropods from vegetation. The Collared Antshrike occupies aerial, terrestrial, and associated environmental zones within its range. Diet information, population estimates, and biological measurements such as average length, weight, and lifespan are not specified in available records. Biological traits of this species remain poorly documented in the scientific literature. Its Least Concern status indicates that populations are currently stable, though continued pressure on dry forest habitats in western Ecuador may warrant monitoring.

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.

Shared Countries

Both species can be found in 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway