Buff-necked Ibis vs gray wolf

Theristicus caudatus compared with Canis lupus

Key Differences

• Buff-necked Ibis is Least Concern while gray wolf is Critically Endangered.

Taxonomic Classification

Rank	Buff-necked Ibis	gray wolf
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Aves (chim)	Mammalia (lớp Thú)
Order	Pelecaniformes (bộ Bồ nông)	Carnivora (bộ Ăn thịt)
Family	Threskiornithidae	Canidae (Dogs & Wolves)
Genus	Theristicus	Canis (Dogs & Wolves)
Species	Theristicus caudatus	Canis lupus

Evolutionary Relationship

Buff-necked Ibis and gray wolf share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Buff-necked Ibis

LC — Least Concern

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Buff-necked Ibis	gray wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

Buff-necked Ibis

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Venezuela).

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.

Buff-necked Ibis

Buff-necked Ibis (Theristicus caudatus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 3 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇳🇴 Norway