Mangrove golden whistlerThe mangrove golden whistler or black-tailed whistler, is a species of bird in the family Pachycephalidae. It is found in mangrove forests and adjacent wet forests of Papua New Guinea and Australia.SubspeciesFive subspecies are recognized:Pachycephala melanura dahli - Reichenow, 1897: Found in the Bismarck Archipelago and south-eastern New GuineaRobust whistler - Mathews, 1912: Originally described as a separate species in the genus Pteruthius. Found in southern New Guinea and islands in the Torres StraitP. m. violetae - : Found in northern AustraliaP. m. melanura - Gould, 1843: Found in north-western AustraliaP. m. robusta - Masters, 1876: This subspecies is also called "robust whistler". Found in northern Australia