Buff-necked Ibis vs Neotropical otter

Theristicus caudatus compared with Lontra longicaudis

Key Differences

• Buff-necked Ibis is Least Concern while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Buff-necked Ibis	Neotropical otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Carnivora (Carnivorans)
Family	Threskiornithidae	Mustelidae (Weasels & Otters)
Genus	Theristicus	Lontra
Species	Theristicus caudatus	Lontra longicaudis

Evolutionary Relationship

Buff-necked Ibis and Neotropical otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-necked Ibis

LC — Least Concern

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Buff-necked Ibis	Neotropical otter
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).

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela