Atlantic Gray Seal vs Nile Crocodile

Halichoerus grypus compared with Crocodylus niloticus

Key Differences

• Atlantic Gray Seal is Vulnerable while Nile Crocodile is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Nile Crocodile
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Pinnipedia (Seals & Sea Lions)	Crocodylia (Crocodilians)
Family	Phocidae (True Seals)	Crocodylidae (Crocodiles)
Genus	Halichoerus	Crocodylus (True Crocodiles)
Species	Halichoerus grypus	Crocodylus niloticus

Evolutionary Relationship

Atlantic Gray Seal and Nile Crocodile share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Nile Crocodile

LC — Least Concern

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Atlantic Gray Seal	Nile Crocodile
Diet	—	Carnivore
Average Lifespan	—	70 years
Average Length	—	5.0 m
Average Weight	—	750.0 kg

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Nile Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Egypt, Kenya, Madagascar, South Africa, and Tanzania.

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Nile Crocodile

The Nile crocodile is one of the largest reptiles in the world and is found throughout sub-Saharan Africa.