close-up of a hippopotamus in calm river at sunset reflecting warm golden light

hippopotamus breathtaking reflections tranquility environment reflecting wilderness relaxation amphibious reflection submerged ecosystem beautiful landscape riverbank tranquil wildlife peaceful observer swimming portrait closeup surface aquatic habitat evening outdoor natural setting shadows shallow vibrant sunset golden nature serene animal africa mammal summer sunlit river light rests water reeds frame scene casts tones fauna calm warm eyes ears dusk