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impact injuries and probability of survival in a large semiurban endemic pigeon in new zealand, hemiphaga novaeseelandiae.the new zealand pigeon or kereru (hemiphaga novaeseelandiae) frequently collides with windows and vehicles. in this study of 146 kereru collected from 1996 to 2009, we used 118 radiographs and 91 necropsies to determine skeletal and soft tissue injuries. vehicle collisions resulted in more damage to the extremities (wing and femur), whereas collisions with windows resulted in trauma to the head, fractures/dislocations of the coracoids and clavicles, and ruptured internal organs. soft tissue inju ...201222740522
four cases of fatal toxoplasmosis in three species of endemic new zealand birds.four cases of fatal toxoplasmosis in three endemic new zealand avian species are reported. between 2009 and 2012, two kereru (hemiphaga novaeseelandiae), one north island brown kiwi (apteryx mantelli), and one north island kaka (nestor meridionalis) were submitted for necropsy examination. on gross postmortem, the kiwi had marked hepatosplenomegaly while the kaka and two kereru had swollen, slightly firm, deep-red lungs. histologically there was extensive hepatocellular necrosis in the liver of ...201424758132
visceral lesions caused by yersinia pseudotuberculosis, serotype ii, in different species of bird.the size and distribution of histological lesions was studied in 14 cases of avian pseudotuberculosis using a combination of serotype-specific immunohistochemistry and image analysis. the material was derived from recent and archival cases in six canaries (serinus canaria), two zebra finches (poephila guttata), three psittaciformes (a kaka, nestor meriondalis, one rainbow lorikeet, trichoglossus mollucanus, and one budgerigar, melopsittacus undulatus), and three new zealand wood pigeons (hemipha ...199926905497
responses of new zealand forest birds to management of introduced mammals.over the past 1000 years new zealand has lost 40-50% of its bird species, and over half of these extinctions are attributable to predation by introduced mammals. populations of many extant forest bird species continue to be depredated by mammals, especially rats, possums, and mustelids. the management history of new zealand's forests over the past 50 years presents a unique opportunity because a varied program of mammalian predator control has created a replicated management experiment. we condu ...202031893568
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