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