Peruvian Yellow-tailed Woolly Monkey vs Royal Tern

Lagothrix flavicauda compared with Thalasseus maximus

Key Differences

• Peruvian Yellow-tailed Woolly Monkey is Critically Endangered while Royal Tern is Least Concern.

Taxonomic Classification

Rank	Peruvian Yellow-tailed Woolly Monkey	Royal Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Atelidae	Laridae
Genus	Lagothrix	Thalasseus
Species	Lagothrix flavicauda	Thalasseus maximus

Evolutionary Relationship

Peruvian Yellow-tailed Woolly Monkey and Royal Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Peruvian Yellow-tailed Woolly Monkey

CR — Critically Endangered

Royal Tern

LC — Least Concern

Physical Characteristics

Attribute	Peruvian Yellow-tailed Woolly Monkey	Royal Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Peruvian Yellow-tailed Woolly Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

Royal Tern

Royal Tern (Thalasseus maximus) 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.