Teucer Giant Owl vs Four-barred Swordtail

Side-by-side species comparison

Attribute Teucer Giant Owl Four-barred Swordtail
Scientific Name Caligo teucer Protographium leosthenes
Order Lepidoptera Lepidoptera
Family Nymphalidae Papilionidae
Size 140-180 mm wingspan 6-7 cm wingspan
Habitat Forests Forests
Diet Fruit Feeders Nectar Feeders
Regions Brazil, Peru, Colombia, Ecuador, French Guiana Australia, Papua New Guinea
Conservation Least Concern Least Concern

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.

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Did You Know?

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

Four-barred Swordtail

A distinctive swallowtail with translucent wings crossed by four dark bars and a long sword-like tail. It has a rapid, darting flight pattern.

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Did You Know?

Its nearly transparent wings make it extremely difficult to spot in dappled rainforest light.