コーチャアリモズ vs ハイイロアリモズ

Thamnophilus praecox compared with Thamnophilus punctatus

Key Differences

• コーチャアリモズ is Near Threatened while ハイイロアリモズ is Least Concern.

Taxonomic Classification

Rank	コーチャアリモズ	ハイイロアリモズ
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 same	Passeriformes (スズメ目)	Passeriformes (スズメ目)
Family same	Thamnophilidae	Thamnophilidae
Genus same	Thamnophilus	Thamnophilus
Species	Thamnophilus praecox	Thamnophilus punctatus

Evolutionary Relationship

コーチャアリモズ and ハイイロアリモズ share a common ancestor at the Genus level: Thamnophilus.

Conservation Status

コーチャアリモズ

NT — Near Threatened

ハイイロアリモズ

LC — Least Concern

Physical Characteristics

Attribute	コーチャアリモズ	ハイイロアリモズ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

コーチャアリモズ

Habitat

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

Range

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

ハイイロアリモズ

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

コーチャアリモズ

The cocha antshrike (Thamnophilus praecox) is a poorly known, range-restricted bird in the family Thamnophilidae—the antbirds—endemic to a narrow strip of floodplain forest along the lower Napo River drainage in northeastern Ecuador and immediately adjacent northern Peru. The species is strongly associated with dense, shrubby vegetation in seasonally or permanently flooded várzea and igapó forests, particularly thickets of Gynerium sugarcane and other tall grasses and shrubs at the forest-water interface in oxbow lakes and riverine backwaters—habitats reflected in its name, 'cocha' being a Quechua word for lagoon or lake. Males display the typical antshrike pattern of bold black and white barring on the wings and mantle, with a black crown and white underparts; females are rufous-brown above with streaked underparts, providing camouflage in dense vegetation. The cocha antshrike feeds by gleaning insects and other arthropods from low vegetation within its flooded forest thickets, foraging in pairs or small groups year-round within apparently stable territories. Its highly specialized and fragmented habitat makes the species particularly vulnerable to deforestation, petroleum extraction activities, and hydrological alteration of Amazonian floodplain systems. Classified as Near Threatened by the IUCN, the cocha antshrike faces ongoing threats from habitat loss within its extremely restricted range, and comprehensive population surveys remain a research priority.

ハイイロアリモズ

Northern Slaty Antshrike(Thamnophilus punctatus、ノーザンスレーティアントシュライク)は、IUCNレッドリストで軽度懸念(LC)に分類されている。生息域全体に広く分布し個体数が豊富で、個体群は安定しており、直ちに保全上の懸念はない。

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway