Large Group Of African Bullfrogs Breeding On Shallow Lake In Central Kalahari Game Reserve, Botswana

group african bullfrog breeding habitat shallow lake pond central kalahari game reserve central kalahari botswana bullfrog water frog wetland swamp rainy army creature animal river marsh environment ecology park mating giant nature adspersus large africa toad skin natural wildlife background grassy behaviour exotic fauna outdoor hunt pyxicephalus aquatic anuran southafrica amphibian behavior anura green