File:Caligo sp.jpg - Wikimedia Commons

An updated list of butterflies (Lepidoptera, Papilionoidea) of two Guatemalan seasonally dry forests

Owl butterfly caligo costa rica hi-res stock photography and images - Alamy

File:Caligo memnon 002.JPG - Wikipedia

File:Caligo 2.jpg - Wikimedia Commons

File:Je garde un oeil sur vous^ - I just keep an eye on you^ Caligo sp, Papillon-chouette - panoramio.jpg - Wikimedia Commons

Pharmaceutics, Free Full-Text

1,400+ Caligo Sp Stock Photos, Pictures & Royalty-Free Images - iStock

Owl Butterfly (Caligo memnon) chrysalis, Greenhouse of the botanical garden of Nancy, Lorraine, France Stock Photo - Alamy

How to build a butterfly! – Ray Cannon's nature notes

Predicting master transcription factors from pan-cancer expression data

Owl Butterfly (Caligo sp) caterpillar, Belizon, French Guiana Stock Photo - Alamy

File:Caligo brasiliensis 02.jpg - Wikimedia Commons

File:2013-04-30 14-40-42-tete-caligo-12f.jpg - Wikimedia Commons

File:Morpho (Portland Zoo).jpg - Wikipedia

Owl butterfly . Costa Rica Stock Photo - Alamy