Amazon River Dolphin vs Black-necked Stilt

Inia geoffrensis compared with Himantopus mexicanus

Key Differences

• Amazon River Dolphin is Data Deficient while Black-necked Stilt is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Black-necked Stilt
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Iniidae	Recurvirostridae
Genus	Inia	Himantopus
Species	Inia geoffrensis	Himantopus mexicanus

Evolutionary Relationship

Amazon River Dolphin and Black-necked Stilt share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Black-necked Stilt

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Black-necked Stilt
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Black-necked Stilt

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

Black-necked Stilt

Black-necked Stilt (Himantopus mexicanus) 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela