Photos

 

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