Smooth hound vs Spotted Sandpiper

Triakis maculata compared with Actitis macularius

Key Differences

• Smooth hound is Critically Endangered while Spotted Sandpiper is Least Concern.

Taxonomic Classification

Rank	Smooth hound	Spotted Sandpiper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Charadriiformes (Charadriiformes)
Family	Triakidae	Scolopacidae
Genus	Triakis	Actitis
Species	Triakis maculata	Actitis macularius

Evolutionary Relationship

Smooth hound and Spotted Sandpiper share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Smooth hound

CR — Critically Endangered

Spotted Sandpiper

LC — Least Concern

Physical Characteristics

Attribute	Smooth hound	Spotted Sandpiper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Spotted Sandpiper

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Spotted Sandpiper

Spotted Sandpiper (Actitis macularius) 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.