A white-winged black tern at Ashley Estuary, Canterbury, New Zealand. I was unable to work out if this was a bird transitioning into its breeding plumage, or out of it. A very uncommon visitor noted in the midst of a flock of black-fronted tern
Flying south along coastline
sighted in carpark
The suborder Lari is the part of the order Charadriiformes which includes the gulls, terns, skuas and skimmers, with the waders and snipes making up the rest of the order. Following recent research, the auks are now placed into the Lari too; the family Glareolidae (pratincoles and coursers) might constitute a distinct suborder. Sometimes, the buttonquails are also placed here, but the molecular data and fossil record rather suggests them be a quite basal offshoot along...