黑腰滨鹬 vs 半蹼滨鹬

Calidris bairdii compared with Calidris pusilla

Key Differences

• 黑腰滨鹬 is Least Concern while 半蹼滨鹬 is Near Threatened.

Taxonomic Classification

Rank	黑腰滨鹬	半蹼滨鹬
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 same	Aves (鳥綱)	Aves (鳥綱)
Order same	Charadriiformes (鸻形目)	Charadriiformes (鸻形目)
Family same	Scolopacidae	Scolopacidae
Genus same	Calidris	Calidris
Species	Calidris bairdii	Calidris pusilla

Evolutionary Relationship

黑腰滨鹬 and 半蹼滨鹬 share a common ancestor at the Genus level: Calidris.

Conservation Status

黑腰滨鹬

LC — Least Concern

半蹼滨鹬

NT — Near Threatened

Physical Characteristics

Attribute	黑腰滨鹬	半蹼滨鹬
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

黑腰滨鹬

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

半蹼滨鹬

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

黑腰滨鹬

贝氏滨鹬（Calidris bairdii）是一种迁徙性涉禽，繁殖于北极冻原，越冬于南美洲。该物种保护状态为无危（LC），每年进行的长距离迁徙跨越美洲大陆，行程可达数万公里。

半蹼滨鹬

半蹼滨鹬(Calidris pusilla)在IUCN红色名录中被列为近危(NT)。接近受威胁标准，若无保育行动，种群可能趋于易危。

Shared Countries

Both species can be found in 7 countries:

🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States 🇻🇪 Venezuela