Fabio Pupin / White-lipped herald snake, (Crotaphopeltis hotamboeia), Ruaha NP, Tanzania, January . Non-ex.

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.

Tony Phelps / Juvenile Herald snake (Crotaphopeltis hotamboia) amongst Button daisies, Dehoop Nature Reserve, Western Cape, South Africa, August.

Tony Phelps / Juvenile Herald snake (Crotopheltis hotamboia) lying amongst Button daisies, DeHoop Nature Reserve, Western Cape, South Africa, August.

Nick Hawkins / Banded cat-eye snake (Leptodeira annulata) lowland rainforests,Southeastern Nicaragua. August.

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

Chris Mattison / Herald / Red-lipped snake (Crotaphopeltis hotamboeia) taken against white background, Pakhuis Pass, Clanwilliam, South Africa.

MYN / Andrew Snyder / Cat eyed snake (Leptodeira annulata) Kusad Mountain, Guyana. Meetyourneighbours.net project