Chestnut Sac-winged Bat vs pato-de-laysan

Cormura brevirostris compared with Anas laysanensis

Key Differences

• Chestnut Sac-winged Bat is Least Concern while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Chestnut Sac-winged Bat	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Chiroptera (morcego)	Anseriformes (Anseriformes)
Family	Emballonuridae	Anatidae
Genus	Cormura	Anas
Species	Cormura brevirostris	Anas laysanensis

Evolutionary Relationship

Chestnut Sac-winged Bat and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Chestnut Sac-winged Bat

LC — Least Concern

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Chestnut Sac-winged Bat	pato-de-laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

pato-de-laysan

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Chestnut Sac-winged Bat

The Chestnut Sac-winged Bat (Cormura brevirostris) is a species in the genus Cormura. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.