nile monitor, varanus niloticus, detail head portrait of reptile, nature habitat, chobe national park, botswana, africa

africa african animal big black botswana brown chobe close closeup danger detail ground habitat head kenya large leguaan lizard lying monitor national nature nile niloticus outdoors park photography portrait predator rear reptile reptilia reptilian reserve river safari scaly secretive skin south southern tanzania tongue varanidae varanus view water white wild wildlife yellow