Alex Mustard / 2020VISION / Silhouette of Common toad (Bufo bufo) swimming in River Orchy, Highlands, Scotland, UK, April

Stephen Dalton / Wallace's flying frog (Rhacophorus nigropalmatus) gliding from tree, controlled conditions, from Malaysia and Indonesia

Thomas Marent / Splendid Poison Dart Frog (Dendrobates sylvaticus) in rainforest, Timbiqui, Colombia

Thomas Marent / Golden Poison Dart Frog (Phyllobates terribilis) in rainforest, Timbiqui, Colombia

Thomas Marent / Buckley's Slender-legged Treefrog (Osteocephalus buckleyi), Putumayo, Colombia

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) being eaten by Fishing Spider (Pisauridae), Gorongosa National Park, Mozambique

Piotr Naskrecki / Red-eyed Tree Frog (Agalychnis callidryas), Belize

Chien Lee / Minden / Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4

Chien Lee / Rough Tree Frog (Theloderma horridum) camouflaged on bark, Kuching, Sarawak, Borneo, Malaysia

Chien Lee / Harlequin Poison Dart Frog (Dendrobates histrionicus), Utria National Park, Colombia

Chien Lee / Ecuador Poison Frog (Epipedobates bilinguis), El Coca, Ecuador

Chien Lee / Kobayashi's Horned Frog (Megophrys kobayashii), Kinabalu National Park, Sabah, Malaysia