By Hugh Chittenden – Welcome to the world of weird things, trichoptiles, the strange hair-like protrusions on newly hatched coucal chicks. I’ve been trying to get my head around the function of coucal trichoptiles. Being almost ground level breeders, two of the main predators of coucal chicks would be mongoose and snakes.  But those spiky white wire-like protrusions may...