Haviside s Dolphin vs Plain-crowned Spinetail

Cephalorhynchus heavisidii compared with Synallaxis gujanensis

Key Differences

• Haviside s Dolphin is Near Threatened while Plain-crowned Spinetail is Least Concern.

Taxonomic Classification

Rank	Haviside s Dolphin	Plain-crowned 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 gujanensis

Evolutionary Relationship

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

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Plain-crowned Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Haviside s Dolphin	Plain-crowned Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Plain-crowned Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.