Allen s Swamp Monkey vs Sandwich Tern

Allenopithecus nigroviridis compared with Thalasseus sandvicensis

Taxonomic Classification

Rank	Allen s Swamp Monkey	Sandwich Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Cercopithecidae (Old World Monkeys)	Laridae
Genus	Allenopithecus	Thalasseus
Species	Allenopithecus nigroviridis	Thalasseus sandvicensis

Evolutionary Relationship

Allen s Swamp Monkey and Sandwich Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Allen s Swamp Monkey

LC — Least Concern

Sandwich Tern

LC — Least Concern

Physical Characteristics

Attribute	Allen s Swamp Monkey	Sandwich Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen s Swamp Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sandwich Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

Allen s Swamp Monkey

The Allen s Swamp Monkey (Allenopithecus nigroviridis) is a species in the genus Allenopithecus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Sandwich Tern

Sandwich Tern (Thalasseus sandvicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.