gray wolf vs Scaly-sided Merganser

Canis lupus compared with Mergus squamatus

Key Differences

• gray wolf is Critically Endangered while Scaly-sided Merganser is Endangered.

Taxonomic Classification

Rank	gray wolf	Scaly-sided Merganser
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Mammalia (स्तनधारी)	Aves (पक्षी)
Order	Carnivora (मांसाहारी गण)	Anseriformes (ऐन्सरीफोर्मीस)
Family	Canidae (Dogs & Wolves)	Anatidae
Genus	Canis (Dogs & Wolves)	Mergus
Species	Canis lupus	Mergus squamatus

Evolutionary Relationship

gray wolf and Scaly-sided Merganser share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Scaly-sided Merganser

EN — Endangered

Physical Characteristics

Attribute	gray wolf	Scaly-sided Merganser
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.

Scaly-sided Merganser

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

gray wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway