Common Silver Hairgrass vs gray wolf

Aira caryophyllea compared with Canis lupus

Key Differences

Common Silver Hairgrass is Endangered while gray wolf is Critically Endangered.

Taxonomic Classification

Rank	Common Silver Hairgrass	gray wolf
Kingdom	Plantae (식물)	Animalia (동물)
Phylum	Magnoliophyta (피자식물문)	Chordata (척삭동물)
Class	Liliopsida (백합강)	Mammalia (포유류)
Order	Poales (벼목)	Carnivora (식육목)
Family	Poaceae (Grass Family)	Canidae (Dogs & Wolves)
Genus	Aira	Canis (Dogs & Wolves)
Species	Aira caryophyllea	Canis lupus

Conservation Status

Common Silver Hairgrass

EN — Endangered

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Common Silver Hairgrass	gray wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

Common Silver Hairgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Cameroon), Asia (Japan, South Korea), Europe (6 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (4 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Silver Hairgrass

<em>Aira caryophyllea</em>, commonly known as Common Silver Hairgrass, is a slender annual grass belonging to the family Poaceae within the order Poales. This delicate grass is currently classified as Endangered on the IUCN Red List, reflecting significant conservation concern despite its historically broad distribution. It is typically found across a remarkable diversity of biome types, including tropical and subtropical moist broadleaf forests, grasslands, savannas, and flooded habitats, demonstrating notable ecological versatility. Its geographic range spans multiple continents, with documented populations in Africa (Cameroon), Asia (Japan, South Korea), Europe, North America, Australia, and South America. As an annual grass, it completes its life cycle within a single growing season, reproducing via wind-dispersed seeds. The inflorescence typically bears silvery, shimmering spikelets that give the species its common name. Biological traits such as average lifespan, body dimensions, and dietary specifics follow typical patterns for annual grasses — drawing nutrients from soil through root absorption rather than consuming other organisms. The endangered status suggests populations may be declining due to habitat loss, land-use change, or invasive species pressure across parts of its range.

gray wolf

가장 넓은 분포 범위를 가진 야생 갯과 동물인 회색늑대는 북아메리카에서 유라시아에 걸쳐 툰드라, 숲, 초원 등 다양한 서식지에 분포합니다. 우세한 번식 쌍이 이끄는 가족 단위 무리를 이루어 생활하는 고도로 사회적인 동물입니다. 최상위 포식자로서 먹이 개체군을 조절하고 생태계 구조를 근본적으로 형성하는데, 옐로스톤에서의 재도입 사례가 이를 잘 보여줍니다. 한때 심각하게 박해받았으나 많은 지역에서 개체군이 회복 중입니다.