黑腰滨鹬 vs koala

Calidris bairdii compared with Phascolarctos cinereus

Key Differences

• 黑腰滨鹬 is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	黑腰滨鹬	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 bairdii	Phascolarctos cinereus

Evolutionary Relationship

黑腰滨鹬 and koala share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

黑腰滨鹬

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	黑腰滨鹬	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

黑腰滨鹬

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).

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.

黑腰滨鹬

贝氏滨鹬（Calidris bairdii）是一种迁徙性涉禽，繁殖于北极冻原，越冬于南美洲。该物种保护状态为无危（LC），每年进行的长距离迁徙跨越美洲大陆，行程可达数万公里。

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。