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