厚嘴棉凫 vs koala

Nettapus auritus compared with Phascolarctos cinereus

Key Differences

• 厚嘴棉凫 is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	厚嘴棉凫	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	Anseriformes (雁形目)	Diprotodontia (雙門齒目)
Family	Anatidae	Phascolarctidae (Koalas)
Genus	Nettapus	Phascolarctos (Koalas)
Species	Nettapus auritus	Phascolarctos cinereus

Evolutionary Relationship

厚嘴棉凫 and koala share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

厚嘴棉凫

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	厚嘴棉凫	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

厚嘴棉凫

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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.

厚嘴棉凫

非洲侏雁（Nettapus auritus）在IUCN红色名录中被评估为无危（LC），是非洲最小的雁鸭类之一，广泛分布于撒哈拉以南非洲的热带淡水湿地。该物种色彩艳丽，以水生植物的种子和叶片为食，常栖息于睡莲等浮叶植物茂盛的湖泊和沼泽中。其种群数量依赖湿地生态系统的健康状况。

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。