Spur-winged Plover in Serengeti natural spring water

The spur-winged lapwing or spur-winged plover is a lapwing species, one of a group of largish waders in the family Charadriidae. It is one of several species of wader supposed to be the "trochilus" bird said by Herodotus to have been involved in an unattested cleaning symbiosis with the Nile crocodile.