gray wolf vs St Helena Filmy Fern

Canis lupus compared with Hymenophyllum capillaceum

Key Differences

• gray wolf is Critically Endangered while St Helena Filmy Fern is Endangered.

Taxonomic Classification

Rank	gray wolf	St Helena Filmy Fern
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Tracheophyta
Class	Mammalia (哺乳動物)	Polypodiopsida (水龍骨綱)
Order	Carnivora (食肉目)	Hymenophyllales (膜蕨目)
Family	Canidae (Dogs & Wolves)	Hymenophyllaceae
Genus	Canis (Dogs & Wolves)	Hymenophyllum
Species	Canis lupus	Hymenophyllum capillaceum

Conservation Status

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

St Helena Filmy Fern

EN — Endangered

Physical Characteristics

Attribute	gray wolf	St Helena Filmy Fern
Diet	Carnivore	—
Average Lifespan	13 years	—
Average Length	1.6 m	—
Average Weight	45.0 kg	—

Habitat & Geographic 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.

St Helena Filmy Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

gray wolf

灰狼是分布最广的野生犬科动物，分布范围从北美横跨欧亚大陆，栖息于冻原、森林和草原等多种生境。高度社会化的动物，以由占优势的繁殖对领导的家族群体生活。作为关键捕食者，狼调节猎物种群并深刻影响生态系统结构，黄石公园的重引入项目对此有充分证明。曾遭到严重迫害，但目前许多地区的种群正在恢复。