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

Andy Rouse / Bengal Tiger (Panthera tigris) family drinking from pool, Ranthambhore, India

Bernard Castelein / Sunrise reflected in water with ripples, Klein Schietveld, Brasschaat, Belgium

Jack Dykinga / Stevens Arch reflected in the amid sand bar ripples Escalante Canyon, Canyon National Recreation Area, Utah, USA

Steve Downer / Black arion slug (Arion ater) moving, viewed from beneath showing ripples or pedal waves used for locomotion.

Pal Hermansen / Fulmar (Fulmarus glacialis) flying with reflection on sea, Iceland, July.

Pal Hermansen / Brunnich's guillemot (Uria lomvia) taking off from water, Alkefjellet. Svalbard, Norway, July.

Juan Carlos Munoz / Namib sand snake (Psammophis namibensis) in sand dunes, Swakopmund, Erongo Region, Namibia.

George Sanker / Moose (Alces alces) bull swimming in water, Baxter State Park, Maine, USA.

Yva Momatiuk & John Eastcott / Ripples on white gypsum sand dunes, White Sands National Park, New Mexico

David Tipling / 2020VISION / Alder flies (Sialis lutaria) hatching on River Wensum, Norfolk, England, UK, June

Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) running in puddle, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.