Buff-breasted Sandpiper vs koala

Calidris subruficollis compared with Phascolarctos cinereus

Key Differences

• Buff-breasted Sandpiper is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Buff-breasted Sandpiper	koala
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Charadriiformes (鸻形目)	Diprotodontia (雙門齒目)
Family	Scolopacidae	Phascolarctidae (Koalas)
Genus	Calidris	Phascolarctos (Koalas)
Species	Calidris subruficollis	Phascolarctos cinereus

Evolutionary Relationship

Buff-breasted Sandpiper and koala share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Buff-breasted Sandpiper

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Buff-breasted Sandpiper	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

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.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

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

Buff-breasted Sandpiper

浅胸鹬（Calidris subruficollis）在IUCN红色名录中被列为近危（NT）。接近受威胁标准，若无保护措施，种群可能变得易危。

koala

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。