Alexander's Swift vs Common Seal

Apus alexandri compared with Phoca vitulina

Key Differences

  • Alexander's Swift is Least Concern while Common Seal is Near Threatened.

Taxonomic Classification

Rank Alexander's Swift Common Seal
Kingdom same Animalia (Animals) Animalia (Animals)
Phylum same Chordata (Chordates) Chordata (Chordates)
Class Aves (Birds) Mammalia (Mammals)
Order Apodiformes (Apodiformes) Pinnipedia (Seals & Sea Lions)
Family Apodidae Phocidae (True Seals)
Genus Apus Phoca (Harbor Seals)
Species Apus alexandri Phoca vitulina

Evolutionary Relationship

Alexander's Swift and Common Seal share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alexander's Swift

LC — Least Concern

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute Alexander's Swift Common Seal
Diet Carnivore
Average Lifespan 30 years
Average Length 1.7 m
Average Weight 80.0 kg

Habitat & Geographic Range

Alexander's Swift

Habitat

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

Range

Found in Norway.

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.

Alexander's Swift

The Alexander's Swift (Apus alexandri) is a species in the genus Apus. It is currently classified as Least Concern 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 1 countries:

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia