Buff-necked Ibis vs Indian Ocean humpback dolphin

Theristicus caudatus compared with Sousa plumbea

Key Differences

• Buff-necked Ibis is Least Concern while Indian Ocean humpback dolphin is Endangered.

Taxonomic Classification

Rank	Buff-necked Ibis	Indian Ocean humpback dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Cetacea (Whales & Dolphins)
Family	Threskiornithidae	Delphinidae (Oceanic Dolphins)
Genus	Theristicus	Sousa
Species	Theristicus caudatus	Sousa plumbea

Evolutionary Relationship

Buff-necked Ibis and Indian Ocean humpback dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-necked Ibis

LC — Least Concern

Indian Ocean humpback dolphin

EN — Endangered

Physical Characteristics

Attribute	Buff-necked Ibis	Indian Ocean humpback dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-necked Ibis

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Venezuela).

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Buff-necked Ibis

Buff-necked Ibis (Theristicus caudatus) 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.