African Bullfrog Mating On Water Surface In Central Kalahari, Botswana

bullfrog mating african african bullfrog animals central kalahari botswana south africa amphibian pair giant bullfrogs floating water pyxicephalidae portrait face eyes green background kalahari nature pyxicephalus adspersus carnivore africa environment habitat aggressive behavior male female bullfrogs wild planet outdoor national geographic life big frog wildlife nat geo giant animal wet skin closeup natural pond ecology view