Chalarm hang-daab vs Buff-breasted Sandpiper

Alopias pelagicus compared with Calidris subruficollis

Key Differences

• Chalarm hang-daab is Endangered while Buff-breasted Sandpiper is Near Threatened.

Taxonomic Classification

Rank	Chalarm hang-daab	Buff-breasted Sandpiper
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Aves (นก)
Order	Lamniformes (อันดับปลาฉลามขาว)	Charadriiformes (Charadriiformes)
Family	Alopiidae	Scolopacidae
Genus	Alopias	Calidris
Species	Alopias pelagicus	Calidris subruficollis

Evolutionary Relationship

Chalarm hang-daab and Buff-breasted Sandpiper share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Chalarm hang-daab

EN — Endangered

Buff-breasted Sandpiper

NT — Near Threatened

Physical Characteristics

Attribute	Chalarm hang-daab	Buff-breasted Sandpiper
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.

Buff-breasted Sandpiper

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, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Buff-breasted Sandpiper

Buff-breasted Sandpiper (Calidris subruficollis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇹🇼 Taiwan