South American Swallowtail vs Teucer Giant Owl

Side-by-side species comparison

Attribute South American Swallowtail Teucer Giant Owl
Scientific Name Heraclides thoas Caligo teucer
Order Lepidoptera Lepidoptera
Family Papilionidae Nymphalidae
Size 100-130 mm wingspan 140-180 mm wingspan
Habitat Orchards Forests
Diet Nectar Feeders Fruit Feeders
Regions Brazil, Argentina, Central America, southern United States Brazil, Peru, Colombia, Ecuador, French Guiana
Conservation Least Concern Least Concern

South American Swallowtail

A large swallowtail butterfly with black wings bearing bright yellow band patterns and prominent tail extensions. It is a strong, rapid flier.

💡

Did You Know?

When threatened, its caterpillar extends a bright orange forked organ called an osmeterium that releases a foul smell.

Teucer Giant Owl

One of the largest owl butterflies with a prominent blue-purple sheen on the upper wings. Its underside displays a large, highly detailed false eye pattern.

💡

Did You Know?

Adults emerge at twilight to avoid visually hunting birds, using the dim light to navigate safely between feeding sites.