Rolf Nussbaumer / Couch's Spadefoot (Scaphiopus couchii) adult at night calling with vocal sac inflated. Laredo, Webb County, South Texas, USA, April.
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Ingo Arndt / Reticulated Glass Frog (Hyalinobatrachium valerioi) male guarding egg clutch on leaf, Costa Rica. Finalist, Wildlife Photographer of the Year (WPOY) 2014 competition, Amphibians and Reptiles category.
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Ingo Arndt / Reticulated Glass Frog (Hyalinobatrachium valerioi) male guarding egg clutch on leaf, Costa Rica.
