Chalarm hang-daab vs Saunders's Tern

Alopias pelagicus compared with Sternula saundersi

Key Differences

• Chalarm hang-daab is Endangered while Saunders's Tern is Least Concern.

Taxonomic Classification

Rank	Chalarm hang-daab	Saunders's Tern
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Aves (นก)
Order	Lamniformes (อันดับปลาฉลามขาว)	Charadriiformes (Charadriiformes)
Family	Alopiidae	Laridae
Genus	Alopias	Sternula
Species	Alopias pelagicus	Sternula saundersi

Evolutionary Relationship

Chalarm hang-daab and Saunders's Tern share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Chalarm hang-daab

EN — Endangered

Saunders's Tern

LC — Least Concern

Physical Characteristics

Attribute	Chalarm hang-daab	Saunders's Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalarm hang-daab

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

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

Saunders's Tern

Habitat

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

Range

Found in Norway.

Chalarm hang-daab

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.