Tachira Antpitta vs Undulated Antpitta

Grallaria chthonia compared with Grallaria squamigera

Key Differences

• Tachira Antpitta is Critically Endangered while Undulated Antpitta is Least Concern.

Taxonomic Classification

Rank	Tachira Antpitta	Undulated Antpitta
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Passeriformes (นกเกาะคอน)	Passeriformes (นกเกาะคอน)
Family same	Grallariidae	Grallariidae
Genus same	Grallaria	Grallaria
Species	Grallaria chthonia	Grallaria squamigera

Evolutionary Relationship

Tachira Antpitta and Undulated Antpitta share a common ancestor at the Genus level: Grallaria.

Conservation Status

Tachira Antpitta

CR — Critically Endangered

Undulated Antpitta

LC — Least Concern

Physical Characteristics

Attribute	Tachira Antpitta	Undulated Antpitta
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Tachira Antpitta

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Norway and Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Undulated Antpitta

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Undulated Antpitta

Undulated Antpitta (Grallaria squamigera) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇻🇪 Venezuela