What humble little resident of the Karoo sounds like a frog, flies like a bird, and loves a game of hide and seek? Senior Samara ranger Jan Dunn had played an audio clip for me of a Karoo korhaan calling, and I was keen to see one, so, having driven out from Plains Camp towards the foot of Eselskop where a flock had last been seen, we left the vehicle and tramped into the veld.