Haviside s Dolphin vs Silver Gull

Cephalorhynchus heavisidii compared with Chroicocephalus novaehollandiae

Key Differences

• Haviside s Dolphin is Near Threatened while Silver Gull is Not Evaluated.

Taxonomic Classification

Rank	Haviside s Dolphin	Silver Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Cephalorhynchus	Chroicocephalus
Species	Cephalorhynchus heavisidii	Chroicocephalus novaehollandiae

Evolutionary Relationship

Haviside s Dolphin and Silver Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Silver Gull

NE — Not Evaluated

Physical Characteristics

Attribute	Haviside s Dolphin	Silver Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Silver Gull

Habitat

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

Range

Found in Norway.