Ecuadorian Sac-winged Bat vs Gadwall

Balantiopteryx infusca compared with Mareca strepera

Key Differences

• Ecuadorian Sac-winged Bat is Endangered while Gadwall is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Sac-winged Bat	Gadwall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Emballonuridae	Anatidae
Genus	Balantiopteryx	Mareca
Species	Balantiopteryx infusca	Mareca strepera

Evolutionary Relationship

Ecuadorian Sac-winged Bat and Gadwall share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ecuadorian Sac-winged Bat

EN — Endangered

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Sac-winged Bat	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Sac-winged Bat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

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

Gadwall

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).

Gadwall

Gadwall (Mareca strepera) 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 1 countries:

🇨🇴 Colombia