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| Hypsiboas boans | 
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| Ventral view of Hypsiboas boans | 
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| Heels of Hypsiboas boans | 
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| Ventral surface of the hand (left) and foot (right) of Hypsiboas boans. | 
| Video | 
| Vocalizing male of Hypsiboas boans. Video recorded by W. E. Magnusson in the municipality of Manaus, Amazonas, Brazil. | 
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| Sonogram of Hypsiboas boans. | 
| To download a recording sample, click here | 
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 Related Articles: HOOGMOED, M. S. 1990. Resurrection of Hyla wavrini Parker (Amphibia: Anura: Hylidae), a gladiator frog from northern South America. Zoologische Mededelingen, 6: 71 - 93. | 
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