Phil Savoie / Yellow legged mining bee (Andrena flavipes) female at nest burrow, River Monnow, Monmouthshire, Wales, UK, April.

Phil Savoie / Grey patched mining bee (Andrena nitida),male feeding rambling rose flower (Rosa sp) Monmouthshire, Wales, UK. April

Phil Savoie / Grey-patched Mining Bee (Andrena nitida) feeding on Dandelion (Taraxacum offinicale) Monmouthshire, Wales, UK. April

Alex Mustard / Southern stingray (Dasyatis americana) two swimming over sand bar, under stormy sky. Grand Cayman, Cayman Islands. British West Indies.

Alex Mustard / Green turtle (Chelonia mydas) feeding on Seagrass (Halophila stipulacea), blowing sand out of nostrils, on sea floor. Marsa El Shouna, Marsa Alam, Egypt.

Fabio Pupin / Peringuey's desert adder, (Bitis peringueyi), sidewinding on dune, Namib desert, Namibia, February . Non-ex.

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus), Solitary Islands Marine Park, New South Wales, Australia

Theo Bosboom / Sand patterns at sunrise, Praia da Adraga, Sintra, Portugal. December 2016

Theo Bosboom / Blue hour before sunrise over the dunes of Seilebost beach, Isle of Harris, Hebrides, Scotland. February 2018.

Theo Bosboom / Patterns on Carrickfinn beach with sand and water mixed with tannin dyed water from peat stream. Donegal, Republic of Ireland, November.

Theo Bosboom / Patterns of algae on a limestone rock with sand, White sands beach, Causeway coast, Northern Ireland. April 2016.

Theo Bosboom / Star shaped sand pattern as photographed at low tide at Luskentyre beach, Lewis and Harris, Scotland, UK, October.