淺灰食籽雀 vs Polar bear

Sporophila intermedia compared with Ursus maritimus

Key Differences

• 淺灰食籽雀 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	淺灰食籽雀	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	Thraupidae	Ursidae (Bears)
Genus	Sporophila	Ursus (Bears)
Species	Sporophila intermedia	Ursus maritimus

Evolutionary Relationship

淺灰食籽雀 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

淺灰食籽雀

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	淺灰食籽雀	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

淺灰食籽雀

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

淺灰食籽雀

灰色食籽鸟是一种具有锥形喙和灰褐色羽毛的小型、不显眼的食籽鸟，栖息于从哥伦比亚和委内瑞拉到特立尼达和圭亚那的南美洲北部开放草地、热带稀树草原和稻田。雄鸟呈中等灰色，翅膀较深；雌鸟呈棕色条纹。高度群居，在草籽上形成大型觅食群。与许多草地食籽鸟一样，灰色食籽鸟在生态上了解甚少，面临原生草地农业转化带来的持续压力。

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