Haviside s Dolphin vs Slaty Spinetail

Cephalorhynchus heavisidii compared with Synallaxis brachyura

Key Differences

• Haviside s Dolphin is Near Threatened while Slaty Spinetail is Least Concern.

Taxonomic Classification

Rank	Haviside s Dolphin	Slaty Spinetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Furnariidae
Genus	Cephalorhynchus	Synallaxis
Species	Cephalorhynchus heavisidii	Synallaxis brachyura

Evolutionary Relationship

Haviside s Dolphin and Slaty Spinetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Slaty Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Haviside s Dolphin	Slaty Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Slaty Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Slaty Spinetail

Slaty Spinetail (Synallaxis brachyura) 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.