蓝顶鹦哥 vs koala

Amazona aestiva compared with Phascolarctos cinereus

Key Differences

• 蓝顶鹦哥 is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	蓝顶鹦哥	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	Psittaciformes (鹦形目)	Diprotodontia (雙門齒目)
Family	Psittacidae (True Parrots)	Phascolarctidae (Koalas)
Genus	Amazona	Phascolarctos (Koalas)
Species	Amazona aestiva	Phascolarctos cinereus

Evolutionary Relationship

蓝顶鹦哥 and koala share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

蓝顶鹦哥

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	蓝顶鹦哥	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

蓝顶鹦哥

Habitat

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

Range

Widely distributed across Europe (9 countries), North America (United States), and South America (Brazil). 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.

蓝顶鹦哥

蓝额鹦哥是继虎皮鹦鹉和非洲灰鹦鹉之后全球最受欢迎的宠物鹦鹉之一，以其鲜黄色面部、蓝色前额及橙红色肩斑为特征。原产于巴西、玻利维亚、巴拉圭和阿根廷的南美洲中部地区，栖息于森林、林地和棕榈丛中。它们智力超群，善于模仿人语，自18世纪起便被人类作为宠物饲养。野生种群面临捕捉压力。

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。