A Nile crocodile (Crocodylus niloticus) resting with open mouth at the water's edge, Kwai river, Moremi Wildlife reserve, Okavango Delta, Botswana, Africa

color image photography outdoors no people nobody day animal wild wild animal looking nile selective focus dangerous horizontal one animal animal themes wildlife mouth open teeth animal head nature side view nile crocodile crocodile species crocodylus niloticus moremi wildlife reserve okavango delta botswana africa kwai river selective focus