Alain Dragesco-Joffe / Sahara sand viper (Cerastes vipera) burying itself. Sahara Desert. Sequence 3 of 3

Alain Dragesco-Joffe / Sahara sand viper (Cerastes vipera) burying itself. Sahara Desert. Sequence 2 of 3

Alain Dragesco-Joffe / Sahara sand viper (Cerastes vipera) burying itself. Sahara Desert. Sequence 1 of 3

Claudio Contreras / Biologist burying Olive Ridley Turtle (Lepidochelys olivacea) eggs seized from poachers by the authorities, Arribada (mass nesting event), Playa Morro Ayuta, Oaxaca state, southern Mexico. Vulnerable...

David Kjaer / Sand wasp (Ammophila sabulosa) at burrow entrance, Arne, Dorset, UK, July.

David Kjaer / Sand wasp (Ammophila sabulosa) at burrow entrance, Arne, Dorset, UK, July.

David Kjaer / Sand wasp (Ammophila sabulosa) at burrow entrance, Arne, Dorset, UK, July.

Christophe Courteau / Sand hopper buries in sand {Talitrus saltator} Brittany France

Mark Moffett / Native South African Fynbos, ant buries seeds of plant so they can reproduce

Michael & Patricia Fogden / Namib Sanddiver (Aporosaura anchietae) buries itself in sand to escape heat and predators, Namib Desert, Namibia

Norbert Wu / Peacock Sole (Pardachirus pavoninus) buries itself in sand during the day and releases a milky toxin that stuns predators, Sulawesi, Indonesia

Constantinos Petrinos / Veined / Marginated octopus {Octopus marginatus} folds crisp bag in half and buries itself in seabed behind crisp bag for protection. Lembeh, Sulawesi, Indonesia