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The Gibson Plumage Index (GPI), sometimes known as the Gibson Code, is a system for describing the plumage of great albatrosses. It is named after, and...

Wales Albatross Study Group. With others in the group he devised the Gibson Plumage Index, which is named after him, as an aid to categorising and identifying...

board used as an input and controllable by the user at runtime. Gibson Plumage Index, an albatross identification system Global Address Space Programming...

world. One product of the research was the Gibson Plumage Index, developed to categorise the variation in plumage colouring and, with the measurements, indicating...

natural selection is replaced by breeding, in this case for colourful plumage, and thus, decoupled from selective pressures, stereotyped song syntax...

albatrosses, sooty albatrosses, Atlantic petrels, great-winged petrels, soft-plumaged petrels, broad-billed prions, grey petrels, great shearwaters, sooty shearwaters...

many as seven bands (though sometimes have four like adults). Full adult plumage is obtained via molt after about a year as well as adult bare part characteristics...

whipbird (western mallee subspecies), Psophodes nigrogularis oberon Soft-plumaged petrel, Pterodroma mollis Kermadec petrel (western subspecies), Pterodroma...

Pierre Vieillot (1748–1831), French ornithologist who studied changes in plumage, and studied live birds Nicholas Aylward Vigors (1785–1840), Irish zoologist...

animals from hunting during the mating season led to the formation of the Plumage League (later the Royal Society for the Protection of Birds) in 1889. The...

kittiwake skins and feathers in fur clothing. Originally known as "the Plumage League", the group gained popularity and eventually amalgamated with the...

the elegant movement of the birds, and the beauty and softness of their plumage. He called my attention to their show of pleasure or sense of danger, their...

males of F. hypoleuca exist and are thought to have evolved the brown plumage to prevent hybridization, though there is also evidence indicating that...

increasing size. This increases their ability to conserve heat. Layers of fat, plumage, and fur also act as insulators to help retain warmth and are common in...