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Article
Murray Williams, Auteur ; Alan J. D. Tennyson, Auteur ; Dalice Sim, AuteurDans Wildfowl (65 2015)An ambiguous designation of the holotype of Chatham Island Merganser Mergus milleneri is corrected, and an overlooked discovery of,a bone of this merganser associated with a Polynesian midden dating from the early 16th Century is appraised.
Article
Murray Williams, AuteurDans Wildfowl (65 2015)Measurements of major bones from Chatham Island's extinct duck Anas chathamica (formerly placed in Pachyanas) were used to estimate the duck's likely mass and flight capability Mass estimates derived from published regression equations relating [...]
Article
Murray Williams ; Colin Roderick 1973International Zoo Yearbook, 13(1)
Article
Gemma M. Bowker-Wright, Auteur ; Ben D. Bell, Auteur ; Peter A. Ritchie, Auteur ; Murray Williams, AuteurDans Wildfowl (62 2012)We examined levels of mitochondria] DNA (mtDNA) and DNA microsatellite genetic variation in Brown Teal (Anas chlorotis), mainland New Zealand's rarest waterfowl. Samples were taken from the two remaining wild populations, a captive population, a[...]
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Murray Williams, Auteur ; Richard N. Holdaway, Auteur ; Karyne M. Rogers, AuteurDans Wildfowl (62 2012)The likely feeding environments of individuals from each of the three populations of New Zealand's extinct merganser Mergus australis were interpreted from stable isotope ratios of carbon (C-13/C-12) and nitrogen (N-15/N-14) in fossil bones and [...]
Article
Murray Williams, Auteur ; Alan J. D. Tennyson, Auteur ; Dalice Sim, AuteurDans Wildfowl (64 2014)Measurements of major bones from three island populations (New Zealand mainland, Auckland Islands, Chatham Island) of extinct mergansers presently known as Mergus australis indicate that birds from Chatham Island differed in size and proportion [...]
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Murray Williams, AuteurDans Wildfowl (62 2012)The last population of the merganser Mergus australis persisted at Auckland Islands in New Zealand's Subantarctic until its extermination by specimen collectors in 1902. It is now represented by four duckling specimens, 23 skins of immatures and[...]
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Graham R. Martin, Auteur ; Nigel Jarrett, Auteur ; Murray Williams, AuteurBlue Ducks Hymenolaimus malacorhynchos (Anatidae), an IUCN Red Listed Endangered species, reside in headwaters of New Zealand rivers and feed primarily on aquatic invertebrates. However, whether such food items are detected by tactile or visual [...]
