Buff-collared Nightjar vs Elm Leech

Antrostomus ridgwayi compared with Hypsizygus ulmarius

Key Differences

• Buff-collared Nightjar is Least Concern while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Buff-collared Nightjar	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Caprimulgiformes (Caprimulgiformes)	Agaricales (Gilled Mushrooms)
Family	Caprimulgidae	Lyophyllaceae
Genus	Antrostomus	Hypsizygus
Species	Antrostomus ridgwayi	Hypsizygus ulmarius

Conservation Status

Buff-collared Nightjar

LC — Least Concern

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Buff-collared Nightjar	Elm Leech
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-collared Nightjar

Habitat

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

Range

Found in Norway.

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Buff-collared Nightjar

The Buff-Collared Nightjar (Antrostomus ridgwayi) is a species in the genus Antrostomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway