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