Jen Guyton / Cat-eyed snake (Leptodeira septentrionalis) from La Selva Biological Station, Costa Rica. Controlled conditions.

Jen Guyton / Cat-eyed snake (Leptodeira septentrionalis) on branch with the eggs of a Parachuting red-eyed tree frog (Agalychnis saltator). La Selva Biological Station, Costa Rica,

Jen Guyton / Cat-eyed snake (Leptodeira septentrionalis) from La Selva Biological Station, Costa Rica. Photographed in a studio.

Nick Hawkins / Cat-eyed snake (Leptodeira septentrionalis) predating Olive snouted treefrog (Scinax elaechroa) in Tortuguero National Park, Costa Rica. November 2013.

Alex Hyde / Northern Cat-eyed snake (Leptodeira septentrionalis) note the mites clustered on its head. Osa Peninsula, Costa Rica.

MYN / Gil Wizen / Northern cat-eyed snake (Leptodeira septentrionalis), Caves Branch, Cayo District, Belize, September. meetyourneighbours.net project

MYN / Seth Patterson / Northern cat-eyed snake (Leptodeira septentrionalis) Lower Rio Grande Valley, Texas, USA, July. meetyourneighbours.net project

MYN / Seth Patterson / Northern cat-eyed snake (Leptodeira septentrionalis) Lower Rio Grande Valley, Texas, USA, July. meetyourneighbours.net project

Bert Willaert / Eggs of Northern Cat-eyed Snake (Leptodeira septemtrionalis) amongst leaf litter. Ecuador, South America.

John Cancalosi / Northern Cat-eyed Snake (Leptodeira septentrionalis) swallowing frog eggs. Costa Rican tropical rainforest.

John Cancalosi / Northern Cat-eyed Snake (Leptodeira septentrionalis) swallowing frog eggs. Costa Rican tropical rainforest.

David Welling / Northern Cat-eyed Snake (Leptodeira septentrionalis) among Lantana (Lantana horrida) Rio Grande Valley, Texas, USA