Water snake at McPherson pond
Toad explosion, McPherson Pond
Mating cricket frogs, Stillwater, OK
Common frog spawn in County Cork, Ireland
Moth, Stillwater, OK
Territorial response of a male great tit to a speaker broadcasting an intruder song
Calling male Hyla chrysoscelis
Deer skeleton, McPherson Pond
Leptodactylus pentadactylus, the smokey jungle frog
Heavy bullfrog, McPherson Pond
Metamorphosis
Cantarrana (singing frog) swamp, La Selva, Costa Rica
A blue tit nest, from studies of bird cognition and breeding in County Cork, Ireland
Studying cognition in wild songbirds in the famous Wytham Woods
Killarney National Park, field site for songbird cognition studies
Bullfrog in Missouri
Grasshopper collection site in Germany
Protecting birdfeeders from squirrels for cognitive testing in the wild.
Cruziohyla calcarifer at La Selva, Costa Rica
Female Dendropsophus ebraccatus in Costa Rica
Red eyed treefrogs, Agallychnis callidryas, in Costa Rica
An amazing glass frog in Costa Rica
Mating pair of Hypsiboas rufitelus at La Selva, Costa Rica
Moon over McPherson
