• Monday, January 18: Franklin Park Zoo and Stone Zoo REGISTRATION IS FULL for Martin Luther King Jr. Day. Due to capacity limits, we cannot accommodate guests who did not pre-register in advance. 

• ZooLights at Stone Zoo is SOLD OUT for the season. 


Know Before You Go: To ensure the safety of staff and guests, we've made modifications to the Zoo experience in accordance with public guidance and health recommendations. Please review our updated FAQs (FPZ and SZ) before your visit. Members:​ Online reservations are required for your visit.

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Tonkin Bug-eyed Frog

Theloderma corticale

Tonkinblueeyedfrog Gallery

About the Tonkin Bug-eyed Frog

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Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Theloderma
Species: corticale

These frogs are found in flooded caves in northern Vietnam. They're semi-aquatic, spending most of their time in and around bodies of water. Their mossy-looking skin provides them with excellent camouflage in their habitat. These frogs will often attach themselves to rock crevices, appearing to be moss. If threatened, they'll curl up into a ball in an attempt to further blend into their environment.