Roman Willi / Tracking shot of Allen's coral snake (Micrurus alleni) slithering across forest floor, Osa Peninsula, Costa Rica, January.
01728803
John Cancalosi / Gravid Northern copperhead (Agkistrodon contortrix) females lying next to each other, as the smaller snake rubs head on larger snake's neck as it slithers forward, Maryland, USA.
01727028
John Cancalosi / Timber rattlesnakes (Crotalus horridus) basking, USA.
01727033
John Cancalosi / Gravid Timber rattlesnake (Crotalus horridus) slithering over gravid Northern copperhead snake (Agkistrodon contortrix mokasen) basking to bring their young to term, Maryland, USA.
01727032
John Cancalosi / Gravid Timber rattlesnake (Crotalus horridus) slithering over gravid Northern copperhead snake (Agkistrodon contortrix mokasen) basking to bring their young to term, Maryland, USA.
01727031
John Cancalosi / Gravid Northern copperhead (Agkistrodon contortrix mokasen) female basking as another female slithers over her, Maryland, USA.
01726912
Tim Laman / Mangrove snake (Boiga dendrophila) slithering up riverbank in forest, Utik River, Sungai Utik Customary Forest, Kapuas Ulu, Kalimantan, Borneo, Indonesia.
01724889
Jacob Guy / Nudibranch (Glossodoris cincta) moving along seabed as Emperor shrimp (Periclimenes imperator) picks debris off sand whilst riding on it, Indonesia, Pacific Ocean.
01724888
Jacob Guy / Nudibranch (Glossodoris cincta) moving along seabed as Emperor shrimp (Periclimenes imperator) picks debris off sand whilst riding on it, Indonesia, Pacific Ocean.
01724887
Jacob Guy / Nudibranch (Glossodoris cincta) slithering along seabed as Emperor shrimp (Periclimenes imperator) walks over its back, Indonesia, Pacific Ocean.
01719605
Tom Vierus / Pacific tree boa / Fiji boa / Bibron's bevel-nosed boa (Candoia bibroni) moving behind a branch. This species is endemic to Melanesia and Polynesia. Viti Levu, Fiji. Captive.
01717044
David Fleetham / Pacific grinning tun (Malea pomum) moving across rocks on reef at night, Indonesia, Pacific Ocean.
