Merlin (bird) Merlin (bird) The merlin ("Falco columbarius") is a small species of falcon from the Northern Hemisphere, with numerous subspecies throughout North America and Eurasia. A bird of prey once known colloquially as a pigeon hawk in North America, the merlin breeds in the northern Holarctic; some migrate to subtropical and northern tropical regions in winter. Males typically have wingspans of , with females being slightly larger. They are swift fliers and skilled hunters who specialize in preying on small birds in the size range of sparrows to quail. The merlin has for centuries been well regarded as a falconry bird.
Norfolk pigeon Norfolk pigeon The Norfolk pigeon or Norfolk Island pigeon ("Hemiphaga novaeseelandiae spadicea"), sometimes called a wood quest, was a subspecies of the New Zealand pigeon that inhabited Norfolk Island. It became extinct around the turn of the 20th century. The abundance of the Norfolk pigeon at the time of the island's settlement is unknown. Early records indicate the presence of the bird, but do not contain any information on its numbers. Based on the behaviour of the other subspecies, it is likely that the bird relied upon fruiting plants for food. The extinction of the Norfolk pigeon was caused by