gray wolf vs Northern California Black Walnut

Canis lupus compared with Juglans californica

Key Differences

• gray wolf is Critically Endangered while Northern California Black Walnut is Near Threatened.

Taxonomic Classification

Rank	gray wolf	Northern California Black Walnut
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Magnoliopsida (木兰纲)
Order	Carnivora (食肉目)	Fagales (壳斗目)
Family	Canidae (Dogs & Wolves)	Juglandaceae
Genus	Canis (Dogs & Wolves)	Juglans
Species	Canis lupus	Juglans californica

Conservation Status

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Northern California Black Walnut

NT — Near Threatened

Physical Characteristics

Attribute	gray wolf	Northern California Black Walnut
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.

Northern California Black Walnut

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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。