Irrawaddy dolphin vs Rufous-tailed Hummingbird

Orcaella brevirostris compared with Amazilia tzacatl

Key Differences

• Irrawaddy dolphin is Endangered while Rufous-tailed Hummingbird is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Rufous-tailed Hummingbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Apodiformes (Apodiformes)
Family	Delphinidae (Oceanic Dolphins)	Trochilidae
Genus	Orcaella	Amazilia
Species	Orcaella brevirostris	Amazilia tzacatl

Evolutionary Relationship

Irrawaddy dolphin and Rufous-tailed Hummingbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Rufous-tailed Hummingbird

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Rufous-tailed Hummingbird
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rufous-tailed Hummingbird

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Rufous-tailed Hummingbird

One of the most common hummingbirds in Central America and northwestern South America, rufous-tailed hummingbirds are medium-sized with green upper parts and a diagnostic bright rufous-orange tail. Found from Mexico to Ecuador and Trinidad in a wide range of habitats including forest edges, gardens, plantations, and secondary growth from sea level to 2,100 meters. Aggressive territory defenders at feeders and flowering plants, they are frequently seen in gardens across their range. Listed as Least Concern.