ハシグロハエトリ vs Ruff

Aphanotriccus audax compared with Calidris pugnax

Key Differences

• ハシグロハエトリ is Near Threatened while Ruff is Least Concern.

Taxonomic Classification

Rank	ハシグロハエトリ	Ruff
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)	Charadriiformes (チドリ目)
Family	Tyrannidae	Scolopacidae
Genus	Aphanotriccus	Calidris
Species	Aphanotriccus audax	Calidris pugnax

Evolutionary Relationship

ハシグロハエトリ and Ruff share a common ancestor at the Class level: Aves. (鳥類)

Conservation Status

ハシグロハエトリ

NT — Near Threatened

Ruff

LC — Least Concern

Physical Characteristics

Attribute	ハシグロハエトリ	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ハシグロハエトリ

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Norway, and Panama. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

ハシグロハエトリ

The Black-billed Flycatcher (Aphanotriccus audax) is a species in the genus Aphanotriccus. It is currently classified as Near Threatened on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Ruff

Ruff（Calidris pugnax）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇳🇴 Norway