closeup on a jackson's or three-horned chameleon, trioceros jacksonii sitting in the vegetation

chordata chamaeleo jacksoni species chamaeleonidae chameleon lacertilia nature reptilia squamata threehorned trioceros jacksonii animal biology closeup herpetology kameleon lizard macro one outdoors reptile sauria single vertebrate wild wildlife zoology colorful sitting vegetation horned dragon eye scale green africa close up colourful diurnal arboreal fauna reptilian yellow