Comparisons of thermogenic features in four coexisting songbirds: Is the northward colonized White-browed Laughingthrush different?
2023
Thermogenic features are often invoked to illustrate animal's colonization, distribution, and response to climate change. To understand why the White-browed Laughingthrush (Pterorhinus sannio) has expanded...
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Predicting the non-breeding distributions of the two Asian subspecies of Black-tailed Godwit using morphological information
2023
Until recently, Limosa limosa melanuroides was thought to be the only subspecies of Black-tailed Godwit in the East Asian–Australasian Flyway. For this reason, all previous occurrences and counts of...
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Structure and heterogeneity of habitat determine diet of predators despite prey abundance: Similar response in Long-eared, Short-eared Owls and Common Kestrels
2023
According to one of the theses of optimal foraging theory, main prey species abundance in the hunting area is the main factor determining the diet and habitat choices of birds of prey. However other...
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Feeding ecology of a highly aerial bird during its long breeding season
2023
Pallid Swifts (Apus pallidus), as other swifts, are birds extremely adapted to an aerial lifestyle, showing unique adaptations that allow them to fly almost continuously. The diet of these non-stopping...
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Differences in migration phenology of warblers at two stopover sites in eastern Russia suggest a longitudinal migration pattern
2023
Long-distance migratory birds often face major geographical barriers on their journey. While some species are able to cross them, others use longer routes to avoid such barriers. Little is known about...
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Intraguild niche partitioning in granivorous birds from the late past
2023
Niche partitioning is a widespread ecological strategy within trophic guilds, ensuring the coexistence of sympatric species by reducing interspecific competition. Stable isotope analysis of carbon and...
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Using non-destructive sampling to evaluate the population genomic status of captive Brown Eared Pheasants
2023
Evaluating the genetic status of threatened species is an essential task in conservation genetics. However, the genetic status of threatened species has been mostly evaluated through techniques that...
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A highly effective incubation strategy enhanced the urban bird hatch success
2023
Urbanization is currently considered one of the most rapid types of global environmental change. Urban habitats are biotically and abiotically different from their rural areas, i.e., the ambient temperature,...
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Avian malaria, haematocrit, and body condition in invasive wetland passerines settled in southwestern Spain
2023
Avian malaria and related haemosporidian parasites can negatively impact fitness in many songbirds. Research on the malaria infection and its physiological costs on their avian hosts is heavily skewed...
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A novel method to collect sperm from brood parasitic cuckoos: Urodeum stimulation (UroS) method
2023
Sperm competition has been studied in numerous species as a representative example of postcopulatory sexual selection, where sampling sperm from male is the most basic and important step. Sperm collection...
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A network meta-analysis on comparison of invasive and non-invasive sampling methods to characterize intestinal microbiota of birds
2023
Birds maintain complex and intimate associations with a diverse community of microbes in their intestine. Multiple invasive and non-invasive sampling methods are used to characterize these communities...
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Vocal repertoire of Azure-winged Magpies (Cyanopica cyanus): A context-associated communication system
2023
Signals within animals’ vocal communication are considered functional referential and context-specific. Even in the absence of the context, receivers are expected to acquire the information of calls...
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COVID-19 lockdown has indirect, non-equivalent effects on activity patterns of Reeves’s Pheasant (Syrmaticus reevesii) and sympatric species
2023
The outbreak of the COVID-19 pandemic has brought massive shifts in human activities through a global blockade, directly affecting wildlife survival. However, the indirect impacts of changes in human...
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Sex-specific selective effect of winter weather on morphological traits in a small passerine bird
2023
Harsh environmental conditions often impose strong selection on the phenotype of natural populations through impacts on their fitness. For overwintering birds, winter is an important period for survival...
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Systematics of the avian family Alaudidae using multilocus and genomic data
2023
The family Alaudidae, larks, comprises 93–100 species (depending on taxonomy) that are widely distributed across Africa and Eurasia, with single species extending their ranges to North and northernmost...
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Evolutionary relationships of mitogenomes in a recently radiated Old World avian family
2023
Environmentally heterogeneous mountains provide opportunities for rapid diversification and speciation. The family Prunellidae (accentors) is a group of birds comprising primarily mountain specialists...
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Variation in reproductive life-history traits of Chinese Bulbuls (Pycnonotus sinensis) along the urbanization gradient in Hangzhou, China
2023
Urbanization brings new selection pressures to wildlife living in cities, and changes in the life-history traits of urban species can reflect their responses to such pressures. To date, most of the...
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Global population estimate and conservation gap analysis for the Nordmann's Greenshank (Tringa guttifer)
2023
Nordmann's Greenshank (Tringa guttifer) is a globally endangered species that has received little research attention. It is threatened by rapid habitat loss, an incomplete network of protected sites,...
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Factors determining the occupancy of nest-boxes by Great Tits (Parus major) in eucalypt plantations
2023
Providing nest-boxes as surrogate tree cavities can be of great importance to increase the breeding populations of cavity-nesting birds in managed forests. However, the exact placement of nest-boxes...
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Negative effects of artificial nest boxes on birds: A review
2023
Artificial nest boxes are placed to attract birds to nest and breed in a specific location, and they are widely used in avian ecology research and in the attraction of insectivorous birds. There is...
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Non-breeding movements of the Black-tailed Gull (Larus crassirostris)
2023
With the continued development of tracking technology and increasing interest in animal movement, our understanding of migration behavior has become more comprehensive. However, there are still many...
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More than a simple egg: Underlying mechanisms of cold tolerance in avian embryos
2023
Avian embryos, which develop within eggs, exhibit remarkable tolerance to extremely low temperatures. Despite being a common trait among all birds, the mechanisms underlying this cold tolerance in avian...
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The effects of climate and land use change on the potential distribution and nesting habitat of the Lesser Adjutant in Nepal
2023
Climate change and land use change pose a threat to the world's biodiversity and have significant impacts on the geographic distribution and composition of many bird species, but little is known about...
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Effects of diet shift on the gut microbiota of the critically endangered Siberian Crane
2023
Wetlands worldwide have suffered from serious degradation and transformation, leading to waterbirds increasingly dependent on agricultural fields for feeding. Although gut microbiota is an essential...
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Bare-throated spurfowl (Pternistis spp.) males across Africa impress females with bright throat colours during courtship
2023
The role of bare body parts in sexual signalling in birds has received relatively little attention. I describe how the bare-throated spurfowl males saturate the colours of their throats to attract females....
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