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