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