Emperor Penguin vs Green-tailed Trainbearer

Aptenodytes forsteri compared with Lesbia nuna

Key Differences

• Emperor Penguin is Near Threatened while Green-tailed Trainbearer is Least Concern.

Taxonomic Classification

Rank	Emperor Penguin	Green-tailed Trainbearer
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class same	Aves (पक्षी)	Aves (पक्षी)
Order	Sphenisciformes (Penguins)	Apodiformes (Apodiformes)
Family	Spheniscidae (Penguins)	Trochilidae
Genus	Aptenodytes (Great Penguins)	Lesbia
Species	Aptenodytes forsteri	Lesbia nuna

Evolutionary Relationship

Emperor Penguin and Green-tailed Trainbearer share a common ancestor at the Class level: Aves. (पक्षी)

Conservation Status

Emperor Penguin

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

Green-tailed Trainbearer

LC — Least Concern

Physical Characteristics

Attribute	Emperor Penguin	Green-tailed Trainbearer
Diet	Carnivore	—
Average Lifespan	20 years	—
Average Length	1.1 m	—
Average Weight	40.0 kg	—

Habitat & Geographic Range

Emperor Penguin

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Green-tailed Trainbearer

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Emperor Penguin

The world's largest penguin, emperor penguins stand up to 1.2 meters and weigh 45 kg, inhabiting the Antarctic continent in some of the most extreme conditions on Earth. They breed in midwinter darkness at temperatures below -60°C, with males incubating single eggs on their feet under a brood pouch for 65 days while females are at sea. Their huddling behavior — cycling individuals through the warm center of thousands-strong groups — is a masterclass in cooperative survival.

Green-tailed Trainbearer

A medium-sized Andean hummingbird with a long, deeply forked green tail — the longest tail relative to body size among trainbearer hummingbirds — male green-tailed trainbearers inhabit open grassland, scrub, and Andean hedgerows from Ecuador to Bolivia at elevations of 2,000–4,000 meters. Males perform aerial display flights with the ornamental tail streaming behind. Found in semi-open Andean landscapes including gardens, agricultural areas, and páramo edges where they feed at diverse flowering plants.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway