| the establishment of an urban bird population. | 1. despite the accelerating global spread of urbanized habitats and its associated implications for wildlife and humans, surprisingly little is known about the biology of urban ecosystems. 2. using data from a 60-year study period, this paper provides a detailed description of how the northern goshawk accipiter gentilis l.--generally considered a shy forest species--colonized the city of hamburg, germany. six non-mutually exclusive hypotheses are investigated regarding the environmental factors ... | 2008 | 18627420 |
| congenital neuropathy and dilution of feather melanin in nestlings of urban-breeding northern goshawks (accipiter gentilis). | a pair of northern goshawks (accipiter gentilis) breeding in a public park in the city center of hamburg, germany, raised 12 healthy and five aberrant offspring between 1996 and 2000. aberrant nestlings (three males and two females) had pale silver-blue plumage and displayed severe locomotor disorders. histopathologically, the defects were characterized by adendritic feather melanocytes and mild degeneration of the cerebellar white matter. epidemiologic results were suggestive of a hereditary au ... | 2004 | 15193082 |