Chestnut Sac-winged Bat vs Chinese Crested Tern

Cormura brevirostris compared with Thalasseus bernsteini

Key Differences

• Chestnut Sac-winged Bat is Least Concern while Chinese Crested Tern is Critically Endangered.

Taxonomic Classification

Rank	Chestnut Sac-winged Bat	Chinese Crested Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Emballonuridae	Laridae
Genus	Cormura	Thalasseus
Species	Cormura brevirostris	Thalasseus bernsteini

Evolutionary Relationship

Chestnut Sac-winged Bat and Chinese Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut Sac-winged Bat

LC — Least Concern

Chinese Crested Tern

CR — Critically Endangered

Physical Characteristics

Attribute	Chestnut Sac-winged Bat	Chinese Crested Tern
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.

Chinese Crested Tern

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Norway and Taiwan. 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.

Chinese Crested Tern

The Chinese Crested Tern (Thalasseus bernsteini) is a species in the genus Thalasseus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.