Alder Spittlebug vs Atlantic Gray Seal

Aphrophora alni compared with Halichoerus grypus

Key Differences

• Alder Spittlebug is Least Concern while Atlantic Gray Seal is Vulnerable.

Taxonomic Classification

Rank	Alder Spittlebug	Atlantic Gray Seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Pinnipedia (Seals & Sea Lions)
Family	Aphrophoridae	Phocidae (True Seals)
Genus	Aphrophora	Halichoerus
Species	Aphrophora alni	Halichoerus grypus

Evolutionary Relationship

Alder Spittlebug and Atlantic Gray Seal share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder Spittlebug

LC — Least Concern

Atlantic Gray Seal

VU — Vulnerable

Physical Characteristics

Attribute	Alder Spittlebug	Atlantic Gray Seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

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.

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden