Emperor Penguin vs White-bellied Woodstar

Aptenodytes forsteri compared with Chaetocercus mulsant

Key Differences

• Emperor Penguin is Near Threatened while White-bellied Woodstar is Least Concern.

Taxonomic Classification

Rank	Emperor Penguin	White-bellied Woodstar
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Aves (chim)	Aves (chim)
Order	Sphenisciformes (Penguins)	Apodiformes (Bộ Yến)
Family	Spheniscidae (Penguins)	Trochilidae
Genus	Aptenodytes (Great Penguins)	Chaetocercus
Species	Aptenodytes forsteri	Chaetocercus mulsant

Evolutionary Relationship

Emperor Penguin and White-bellied Woodstar share a common ancestor at the Class level: Aves. (chim)

Conservation Status

Emperor Penguin

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

White-bellied Woodstar

LC — Least Concern

Physical Characteristics

Attribute	Emperor Penguin	White-bellied Woodstar
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.

White-bellied Woodstar

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

White-bellied Woodstar

A tiny woodstar hummingbird inhabiting the Andes and inter-Andean valleys from Colombia to Bolivia, white-bellied woodstars are among the smallest hummingbirds with males weighing just 2.5 g. Males display a vivid amethyst-purple gorget and white belly with green flanks. Found at forest edges and gardens from 1,500–3,500 meters elevation. Despite their diminutive size, they are aggressive and highly maneuverable, entering torpor at night to conserve energy in cold Andean conditions.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway