Buff-breasted Sandpiper vs Cinnamon antechinus

Calidris subruficollis compared with Antechinus leo

Key Differences

• Buff-breasted Sandpiper is Near Threatened while Cinnamon antechinus is Least Concern.

Taxonomic Classification

Rank	Buff-breasted Sandpiper	Cinnamon antechinus
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Dasyuromorphia (Dasyuromorphia)
Family	Scolopacidae	Dasyuridae
Genus	Calidris	Antechinus
Species	Calidris subruficollis	Antechinus leo

Evolutionary Relationship

Buff-breasted Sandpiper and Cinnamon antechinus share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-breasted Sandpiper

NT — Near Threatened

Cinnamon antechinus

LC — Least Concern

Physical Characteristics

Attribute	Buff-breasted Sandpiper	Cinnamon antechinus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Cinnamon antechinus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Cinnamon antechinus

The cinnamon antechinus (Antechinus leo) is a small marsupial in the family Dasyuridae, endemic to northeastern Queensland, Australia, particularly the Cape York Peninsula. It inhabits tropical and subtropical rainforest and forest margins at low elevations, sheltering in tree hollows, dense vine tangles, and fallen logs. Like all antechinuses, it is a specialist insectivore, consuming beetles, cockroaches, moths, and other invertebrates, and occasionally small lizards. The cinnamon antechinus is named for its rich cinnamon-brown dorsal fur. A remarkable feature shared by all antechinus species is semelparous reproduction: males undergo a catastrophic physiological decline and die shortly after a brief, intense mating season in winter, leaving only the pregnant females to carry the population into the next generation. This extreme reproductive strategy results in completely male-free populations for most of the year. The species is classified as Least Concern by the IUCN, with populations within Cape York's relatively intact tropical forest. However, like all antechinuses, it faces threats from feral predators (cats and foxes), habitat degradation, and altered fire regimes. Climate change poses a long-term risk by shrinking the cool, moist forest habitats this species depends on. Genetic studies of Australian antechinuses have revealed considerable cryptic diversity.