| Meanwhile ornithologists and environmentalists are examining captive breeding. |
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| These paradigms will be of as much interest to philologists and ethnolinguists as they may be to ornithologists. |
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| According to many ornithologists it is the most widespread land bird on the planet, found on every continent except Antarctica. |
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| Its objectives are the advancement of ornithology and the promotion of the scientific study of birds among ornithologists in Europe. |
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| Likewise, ornithologists studying neotropical migrant populations historically have focused much of their attention in the temperate zones. |
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| The sanctuary currently hosts budding ornithologists from Denmark, Sweden, Holland, Germany, and Russia. |
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| Only after the ornithologists began banding birds on a large scale did their migration patterns begin to come into focus. |
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| Standing knee-high to a human and weighing about two pounds, kagus have long fascinated ornithologists. |
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| The accolades bestowed on Coues in that memorial reflect his stature as one of the greatest ornithologists of his time, and maybe of all time. |
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| Because of the broad range of his interests, John was always alert to the ways in which concepts and data from other fields might be useful to ornithologists and ethologists. |
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| The little seabird nests high in coastal forests, a fact that had eluded ornithologists until several years ago, when a bird with webbed feet flopped out of a felled tree. |
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| Detailed studies had been made by ornithologists on important keystone species like Great Pied Hornbill and Malabar Grey Hornbills in the Anamalais. |
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| As well as grouse watching, Dan and his colleagues also give informal tours around the reserve for young ornithologists keen to spot merlins, buzzards and ospreys. |
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| Although ornithologists have amassed vast recorded archives of glides, twitters, and warbles, little is known of the origin and function of avian musicianship. |
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| Big-city noise levels prompt birds to sing louder in order to be heard by other birds over the din, according to research by German ornithologists. |
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| With long hours at the museum and regular forays into the countryside, he eventually established a reputation as one of America's premier ornithologists. |
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| There is a sheep-like tendency among ornithologists to play follow-the-leader with regard to the terminology in this field, and I am as guilty as anyone. |
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| Early ornithologists were preoccupied with matters of species identification. |
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| Some ornithologists also feel it is appropriate to retain the great auk in the genus Alca, instead of Pinguinus. |
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| Before Audubon, ornithologists depicted birds flatly and schematically. |
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| The concept of a subspecies and the role of American ornithologists in pressing for use of trinomials are discussed. |
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| Some eminent ornithologists such as Pierce Brodkorb tried to keep the debate alive but the ICZN's solution has been satisfactory. |
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| Since describing the bird, Opisthocomos hoazin, in 1776, ornithologists have had problems pinpointing its closest kin, as the hoatzin looks and acts so unlike other birds. |
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| Most birdwatchers pursue this activity for recreational or social reasons, unlike ornithologists, who engage in the study of birds using formal scientific methods. |
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| Ornithologists say there's no good way to estimate the worldwide bird population. |
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| Ornithologists have recorded single feeding trips of 15,000 kilometers by nesting wandering albatrosses. |
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| Ornithologists will know that the strangely-named Indian Tree Pie takes its name from a colourful Indian member of the crow family. |
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| Ornithologists tell us that habitat loss is the chief reason for this decline. |
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| Ornithologists describe them as endemic, birds that have evolved into distinctive species because of the insularity of their habitats. |
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| Ornithologists on an expedition to the Calayan Island in the Babuyan Islands in the Philippines have discovered a rare near-flightless rail, related to New Zealand's weka. |
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| Ornithologists estimate that anywhere from 1 to 4 million birds visit the basin on their way to or from their summer breeding and nesting grounds. |
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| Ornithologists and naturalists, including the renowned nineteenth-century illustrator John Gould, originally classified male and female huias as two different species. |
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| Ornithologists hope the spoonbill and the Kentish plover, very rarely spotted in the UK, will also return. |
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| Ornithologists feel this winter's invasion may even eclipse the waxwing deluge of 2009 when hundreds gathered in Meriden. |
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| He demonstrated this in front of the British Ornithologists Union by inserting two shrike feathers into a cork which he then whirled around his head on a string. |
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| Ornithologists contribute to conservation biology by studying the ecology of birds in the wild and identifying the key threats and ways of enhancing the survival of species. |
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