Waterholes, such as this one in Tarangire National Park, often provide critical habitat for frog tadpoles. Elephants moving in and out of the pools keep researchers on their toes during collection trips to these liquid nurseries. Joined in the mid-1990s by the Wildlife Conservation Society, the University of Dar es Salaam and Tanzanian National Parks, AMNH scientists Linda Ford and Michael Klemens gather frog data to better understand unusual species like the spine-covered reed frog. This information will also aid conservation management throughout the country.