Grasshopper collection site in Germany
Cantarrana (singing frog) swamp, La Selva, Costa Rica
Bullfrog in Missouri
Female Dendropsophus ebraccatus in Costa Rica
Common frog spawn in County Cork, Ireland
An amazing glass frog in Costa Rica
Killarney National Park, field site for songbird cognition studies
Protecting birdfeeders from squirrels for cognitive testing in the wild.
Cruziohyla calcarifer at La Selva, Costa Rica
A blue tit nest, from studies of bird cognition and breeding in County Cork, Ireland
Red eyed treefrogs, Agallychnis callidryas, in Costa Rica
Leptodactylus pentadactylus, the smokey jungle frog
Territorial response of a male great tit to a speaker broadcasting an intruder song
Mating pair of Hypsiboas rufitelus at La Selva, Costa Rica
Studying cognition in wild songbirds in the famous Wytham Woods
