The bluethroat is a small passerine with moderate asynchronous hatching, typical of many passerine birds. |
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Here we report an 8-year study of this system in a tropical passerine bird, the dusky antbird. |
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In many passerine species, including bluethroats, male removal results in an overall reduction in food supply. |
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The sitellas are a family of small passerine birds found only in Australasia. |
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The Northern Beardless Tyrannulet, Camptostoma imberbe, is a small passerine bird in the tyrant flycatcher family. |
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This species is a common passerine long-distance migrant of average size, used previously as a basis for model predictions. |
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The visual system of most bird species, including all passerine birds tested to date, is sensitive to UV wavelengths. |
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The pied flycatcher is a small, migratory, passerine bird that is sexually dimorphic in color during the breeding season. |
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Extrapair paternity is widespread within passerine birds and is indicative of sexual selection. |
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House sparrows are approximately 30-g passerine birds that are gregarious during and outside the breeding season. |
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As is typical of passerine birds, nearly all mortality was the result of predation, and starvation was rare. |
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The magpie is monogamous, territorial, sedentary, and relatively long-lived for passerine birds, with a well-described biology. |
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The barn swallow is an approximately 20-g passerine, migratory bird that feeds on flying insects captured on the wing. |
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We compared chromatic contrast of each pair of spider and flower to detection thresholds computed in the visual systems of both Hymenopteran prey and passerine bird predator. |
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The richest passerine families were cuckoo-shrikes and starlings. |
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Papers had recently been published on corals and blackcaps, a small passerine species. |
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The barn swallow is a semicolonial, aerially insectivorous passerine. |
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The pied flycatcher is a small Palearctic migrant passerine bird. |
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The pied flycatcher is a small, migratory, singlebrooded passerine bird. |
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The diversity of speckling is most pronounced in passerine birds. |
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These animals include rodents, passerine birds and arthropods. |
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Begging by nestling passerine birds has become a model for studies in animal communication, particularly those examining the honest signaling of need. |
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Consequently, passerine taxonomists have been left with a rather sparse body of morphological information upon which to base a classification. |
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These include several passerine songbirds typical of shrub and forest habitats, such as thrushes, flycatchers, and warblers. |
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The number, shape, and attachments of the intrinsic muscles are likely to remain important in passerine classification. |
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Regarding including passerine he was not in favour because little is known of the status of these species. |
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The Technical Committee felt that it is still premature to include large number of passerine species for several reasons. |
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October to November is one of the peak migrating periods for owls, raptors and passerine birds. |
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A passerine monitoring station should be located in representative habitat for a given region, or in a habitat of concern. |
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We trust that this guide will be read by all banders and trainers involved in passerine banding. |
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Several passerine species are negatively affected by forest loss at both scales. |
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The barn swallow is a approximately 18-g, migratory, semicolonial passerine that breeds commonly throughout most parts of the Palearctic and Nearctic temperate regions. |
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In the mid-20th century, taxonomists began reexamining the generally accepted family groupings of passerine birds that had been in place since the 19th century. |
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Agonistic behaviour of Palaearctic passerine migrants at a stopover site suggests interference competition. |
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The waxwings are a group of passerine birds characterised by soft, silky plumage and unique red tips to some of the wing feathers. |
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The evolutionary history of the passerine families and the relationships among them remained rather mysterious until the late 20th century. |
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This arrangement enables the passerine birds to perch upon vertical surfaces, such as trees and cliffs. |
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The foot of a passerine has three toes directed forward and one toe directed backward, called anisodactyl arrangement. |
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This is especially useful for passerine birds that develop nocturnal lifestyles. |
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The leg arrangement of passerine birds contains a special adaptation for perching. |
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Its reproductive success is not in question, since the average number of fledglings is high compared with that of other passerine species that are not suffering drops in population. |
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Since 1966, an estimated 64 per cent of the global population has been lost, making it one of the fastest declining passerine species in North America. |
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However, the ongoing study in Djoudj NP, Senegal suggests that Baillon's Crakes might be less specialised than the passerine species and more flexible with regard to vegetation structure and changes in water level. |
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The White-throated Sparrow is a socially monogamous migratory passerine that breeds throughout the boreal forests of North America. |
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Also Mr Herby Kalchreuter and Mr Guy-Noël Olivier pointed out their concerns to include passerine species, which might weaken the Agreement as a whole. |
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If one of our passerine friends hops too close to the French windows, Max goes ballistic. |
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Identifying predators and fates of grassland passerine nests using miniature video cameras. |
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Most passerine bird species are influenced more by forest structure and composition at the stand scale than by forest clearing at the landscape scale. |
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Viremia does not develop in most passerine birds, which are not able to pass the virus to ticks. |
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Since the late 19th century, when the many advances in taxonomic thought of the previous century began to crystallize and bear fruit, three main passerine sequences have dominated the world bird lists. |
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Some indication of the sensitivity of such systems is provided by an analysis of the survival rates of the Sedge Warbler Acrocephalus schoenobaenus, a wetland passerine, breeding in Britain and wintering in West Africa. |
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A similar strategy is adopted by the greater noctule bat, which preys on nocturnal passerine migrants. |
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Presence and seasonal prevalence of Plasmodium spp in a rare endemic New Zealand passerine. |
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A group of small, often colourful passerine birds restricted to the New World. |
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In the long term, regrowth of abandoned pasture and creation of dense plant cover promise to attract many species of passerine birds. All this has been achieved without penalizing or interrupting farm operations. |
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Motacillidae is a family of small passerine birds with medium to long tails. |
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A passerine is any bird of the order Passeriformes, which includes more than half of all bird species. |
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Shrikes are passerine birds known for their habit of catching other birds and small animals and impaling the uneaten portions of their bodies on thorns. |
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Renfrew and others reported that raccoons and opossums, known grassland passerine predators, were most active along wooded edges of pastures in Wisconsin. |
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External vasectomy in passerine birds and internal vasectomy in nonpasserine birds can be done by following the surgical procedures described above. |
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Plagiorhynchus cylindaraceus normally utilizes passerine birds as definitive hosts, particularly American robins and starlings and the terrestrial isopod as intermediate host. |
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Unlike the alphaviruses that produce arthritis, human cases occur in an epizootic from an enzootic cycle involving passerine birds and ornithophilic mosquitoes. |
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