4-Spotted Digger Wasp vs Common Seal

Crossocerus quadrimaculatus compared with Phoca vitulina

Key Differences

• 4-Spotted Digger Wasp is Least Concern while Common Seal is Near Threatened.

Taxonomic Classification

Rank	4-Spotted Digger Wasp	Common Seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hymenoptera (Ants, Bees & Wasps)	Pinnipedia (Seals & Sea Lions)
Family	Crabronidae	Phocidae (True Seals)
Genus	Crossocerus	Phoca (Harbor Seals)
Species	Crossocerus quadrimaculatus	Phoca vitulina

Evolutionary Relationship

4-Spotted Digger Wasp and Common Seal share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

4-Spotted Digger Wasp

LC — Least Concern

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	4-Spotted Digger Wasp	Common Seal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	1.7 m
Average Weight	—	80.0 kg

Habitat & Geographic Range

4-Spotted Digger Wasp

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

4-Spotted Digger Wasp

The 4-Spotted Digger Wasp (Crossocerus quadrimaculatus) is a species in the genus Crossocerus. It is currently classified as Least Concern on the IUCN Red List. It is found across Belgium, Denmark, Norway, and Sweden, inhabiting diverse terrestrial and freshwater habitats.

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 4 countries:

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