Greater Crested Tern vs Hector’s Beaked Whale

Thalasseus bergii compared with Mesoplodon hectori

Key Differences

• Greater Crested Tern is Least Concern while Hector’s Beaked Whale is Data Deficient.

Taxonomic Classification

Rank	Greater Crested Tern	Hector’s Beaked Whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Cetacea (Whales & Dolphins)
Family	Laridae	Hyperoodontidae
Genus	Thalasseus	Mesoplodon
Species	Thalasseus bergii	Mesoplodon hectori

Evolutionary Relationship

Greater Crested Tern and Hector’s Beaked Whale share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Greater Crested Tern

LC — Least Concern

Hector’s Beaked Whale

DD — Data Deficient

Physical Characteristics

Attribute	Greater Crested Tern	Hector’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Greater Crested Tern

Habitat

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

Range

Found in Norway.

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.