Irrawaddy dolphin vs Marbled Orbweaver

Orcaella brevirostris compared with Araneus marmoreus

Key Differences

• Irrawaddy dolphin is Endangered while Marbled Orbweaver is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Marbled Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Cetacea (Whales & Dolphins)	Araneae (Araneae)
Family	Delphinidae (Oceanic Dolphins)	Araneidae
Genus	Orcaella	Araneus
Species	Orcaella brevirostris	Araneus marmoreus

Evolutionary Relationship

Irrawaddy dolphin and Marbled Orbweaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Marbled Orbweaver

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Marbled Orbweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Marbled Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).