黑腰梅花雀 vs Polar bear

Estrilda troglodytes compared with Ursus maritimus

Key Differences

• 黑腰梅花雀 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	黑腰梅花雀	Polar bear
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	Passeriformes (雀形目)	Carnivora (食肉目)
Family	Estrildidae	Ursidae (Bears)
Genus	Estrilda	Ursus (Bears)
Species	Estrilda troglodytes	Ursus maritimus

Evolutionary Relationship

黑腰梅花雀 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

黑腰梅花雀

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	黑腰梅花雀	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

黑腰梅花雀

Habitat

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

Range

Found across Asia (Japan) and Europe (8 countries).

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

黑腰梅花雀

黑腰文鸟（Estrilda troglodytes）是撒哈拉以南非洲和萨赫勒地区半干旱及干旱灌丛的小型梅花雀，具有与灰褐色体羽形成鲜明对比的朱红色喙和腰部。栖息于干燥草地、稀树草原边缘及耕作地，以小型草籽为食。外形精致，性情活泼且具有群居性，是欧洲和亚洲颇受欢迎的笼养观赏鸟。

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway