Black-headed Ibis vs Common Seal

Threskiornis melanocephalus compared with Phoca vitulina

Taxonomic Classification

Rank	Black-headed Ibis	Common Seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Pinnipedia (Seals & Sea Lions)
Family	Threskiornithidae	Phocidae (True Seals)
Genus	Threskiornis	Phoca (Harbor Seals)
Species	Threskiornis melanocephalus	Phoca vitulina

Evolutionary Relationship

Black-headed Ibis and Common Seal share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-headed Ibis

NT — Near Threatened

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Black-headed Ibis	Common Seal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	1.7 m
Average Weight	—	80.0 kg

Habitat & Geographic Range

Black-headed Ibis

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Seal

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black-headed Ibis

The Black-headed Ibis (Threskiornis melanocephalus) is a species in the genus Threskiornis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Common Seal

The most widely distributed pinniped, harbor seals inhabit temperate and subarctic coastal waters of both the North Atlantic and North Pacific. Adults reach up to 130 kg and spend roughly equal time at sea hunting fish, squid, and crustaceans and hauling out on beaches or rocks to rest. Their large, expressive eyes are adapted for underwater vision in low light. Harbor seals are a critical food source for orcas, sharks, and polar bears.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway