Morley Read / Tropical flat snake (Siphlophis compressus) climbing on a flowering bromeliad (Aechmea) in the Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Alex Mustard / Coral (Lobophytum sp.) on a reef flat, with Hawksbill turtle (Eretmochelys imbricata) in background. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

John Chan / California brown pelicans (Pelecanus occidentalis californicus) roosting on a mudflat, with a flock of Elegant terns (Thalasseus elegans) nearby, Southern California, USA May/2019

John Shaw / Brown bear (Ursus arctos) searching for clams on tidal mudflat with waterbirds. Lake Clark National Park, Alaska. August.

Daniel Heuclin / Vicuna (Vicugna vicugna), five running across salt flat with mountain in background. Salar de Ascotan, Chile. September 2018.

Piotr Naskrecki / Flat Rock Scorpion (Hadogenes granulatus) and hand, Gorongosa National Park, Mozambique

Piotr Naskrecki / Banded Tree Snake (Tripanurgos compressus), Costa Rica

David Fleetham / Philippine reef scene with butterflyfish. Balicasag Island is a flat island four kilometers southwest of Duljo Point off what is known as Pangalo Reef in the Philippines. (Four photographs were digita...

Phil Savoie / Pink lady mayfly (Epeorus albertae) close up of eye of male, Madison River, Montana, USA, August.

Vincent Grafhorst / Salt flat, Lake Asale, Danakil Depression, Ethiopia

Vincent Grafhorst / Dromedary (Camelus dromedarius) caravan transporting salt across salt flat, Lake Asale, Danakil Depression, Ethiopia

Paul Bertner / Flat Bug (Aradidae) trapped in water droplet, Mananara Nord National Park, Madagascar