ボウシマルハシミツドリ vs チャックウィルヨタカ

Conirostrum albifrons compared with Antrostomus carolinensis

Taxonomic Classification

Rank	ボウシマルハシミツドリ	チャックウィルヨタカ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order	Passeriformes (スズメ目)	Caprimulgiformes (ヨタカ目)
Family	Thraupidae	Caprimulgidae
Genus	Conirostrum	Antrostomus
Species	Conirostrum albifrons	Antrostomus carolinensis

Evolutionary Relationship

ボウシマルハシミツドリ and チャックウィルヨタカ share a common ancestor at the Class level: Aves. (鳥類)

Conservation Status

ボウシマルハシミツドリ

LC — Least Concern

チャックウィルヨタカ

LC — Least Concern

Physical Characteristics

Attribute	ボウシマルハシミツドリ	チャックウィルヨタカ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ボウシマルハシミツドリ

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

チャックウィルヨタカ

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela.

ボウシマルハシミツドリ

ズグロコーンビル（Conirostrum albifrons）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

チャックウィルヨタカ

The Chuck-will's-widow (Antrostomus carolinensis) is the largest nightjar in North America, named for its distinctive far-carrying call — a resonant four-syllable whistle repeated persistently on warm nights. It breeds across the southeastern United States, from the Atlantic coastal plain through the Gulf states and up the Mississippi Valley to southern Indiana and Kansas. The species migrates southward in autumn to winter quarters in the Caribbean, Central America, and northern South America. Like all nightjars, it is a crepuscular and nocturnal insectivore, capturing large moths, beetles, and other flying insects in flight using its enormous, bristle-fringed gape. By day, the Chuck-will's-widow roosts on the ground or along horizontal branches, relying on cryptic mottled plumage for concealment. It nests directly on the leaf litter of open woodland and scrub, typically in pine-oak forests, dry forests, and woodland edges. The IUCN classifies this species as Least Concern, though Breeding Bird Survey data suggest moderate long-term population declines linked to forest fragmentation and light pollution that disrupts insect prey availability. Conservation of large-scale woodland tracts in the southeastern United States benefits this species and its associated nightjar community.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇳🇴 Norway 🇻🇪 Venezuela