Transparent frogs, tiny geckos and snail-sucking snakes

The beating heart of this see-through frog can be clearly seen.

Part of the amphibian family Centrolenidae, commonly known as “glass frogs”, this species was found on the Ecuadorian coast near Muisne.

(Image: Paul S Hamilton / RAEI)

This bright male O’Shaughnessy’s Dwarf Iguana, Enyalioides oshaughnessyi, was discovered in a cloud forest.

(Image: Paul S Hamilton / RAEI)

The tiny scaly-eyed gecko, Lepidoblepharis buschwaldii, is one of the smallest geckos known to exist.

(Image: Paul S Hamilton / RAEI)

Salamanders of the genus Bolitoglossa lack lungs.

Instead, they breathe entirely through their skin.

This one was encountered in western Ecuador.

(Image: Paul S Hamilton / RAEI)

This unidentified rain frog of the genus Pristimantis was found in Cerro Pata de Pájaro in western Ecuador.

(Image: Paul S Hamilton / RAEI)

Another unidentified rain frog of the genus Pristimantis.

This one is distinguished by a red streak through the iris.

(Image: Paul S Hamilton / RAEI)

A spectacular eyelash viper, Bothriechis schlegelli.

(Image: Paul S Hamilton / RAEI)

An unidentified snail-sucking snake of the genus Sibon.

A similar species was found nearly 1000 kilometres away in Panama.

(Image: Paul S Hamilton / RAEI)

This is a new stick insect, of the genus Xylospinodes.

It was one of at least four new species of such creatures discovered by the expedition.

(Image: Paul S Hamilton / RAEI)

Rain frogs, like these unidentified Pristimantis individuals, are dependent on moist habitats as they lay their eggs in trees.

As a result, climate change caused by human activity may interfere with these frogs’ ability to reproduce.

(Image: Paul S Hamilton / RAEI)