褐紫耳蜂鳥 vs koala

Colibri delphinae compared with Phascolarctos cinereus

Key Differences

• 褐紫耳蜂鳥 is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	褐紫耳蜂鳥	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	Apodiformes (雨燕目)	Diprotodontia (雙門齒目)
Family	Trochilidae	Phascolarctidae (Koalas)
Genus	Colibri	Phascolarctos (Koalas)
Species	Colibri delphinae	Phascolarctos cinereus

Evolutionary Relationship

褐紫耳蜂鳥 and koala share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

褐紫耳蜂鳥

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	褐紫耳蜂鳥	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

褐紫耳蜂鳥

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and 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.

褐紫耳蜂鳥

棕紫耳蜂鸟是紫耳蜂鸟属中唯一以棕色为主的物种，上体呈褐铜色，具有诊断性的蓝紫色耳斑。分布于危地马拉至委内瑞拉、哥伦比亚和巴西，南至玻利维亚的湿润森林及林缘。栖息于低地至海拔2000米的森林内部、林缘及花园。尽管羽色对蜂鸟而言相对朴素，但紫色耳斑在直射阳光下会熠熠闪光。

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。