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ISSN: 2053-7166

The spatial distribution and breeding behavior of neighbors affect the reproductive success of tits

The spatial distribution and breeding behavior of neighboring birds (conspecific and heterospecific) may influence reproduction and the effects differ across species. In this study, we investigated...

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The past, present, and future of the Siberian Grouse (Falcipennis falcipennis) under glacial oscillations and global warming

Global climate change has a significant effect on species, as environment conditions change, causing many species' distributions to shift. During the last three million years, the earth has experienced...

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Using stable isotope to compare the habitat use and trophic level between the new and old breeding range of wild Crested Ibis in the early breeding season

The concept of foraging niche provides an insight into habitat use and dietary information of animals. Knowing intraspecific variation in foraging niche and trophic level is critical to the understanding...

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Habitat selection by nestbox-breeding birds and Roe Deer are incongruent within a heterogeneous woodland landscape

Conserving species relies upon acquiring an understanding of their use of habitat, yet our understanding of the use of habitat by co-existing species of different guilds at microgeographic scales remains...

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Detecting the non-breeding region and migration route of Whimbrels (Numenius phaeopus rogachevae) in the East Asian–Australasian Flyway

Determining the migration routes and connections of migratory birds at the population level helps clarify intraspecific differences in migration. Five subspecies have been recognized in the Whimbrel...

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Sexual dimorphism and sex-differential migration of Little Buntings (Emberiza pusilla) at an East Asian stopover site

Sex differences in morphology provide key information for understanding a species' morphological adaptations in relation to the evolution of sexual selection. In migratory birds, morphological traits...

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Abundance of White-fronted Parrots and diet of an urban parrot assemblage (Aves: Psittaciformes) in a green Neotropical city

Urban ecosystems are evolutionarily recent novel environments acting as biodiversity filters. Psittacidae birds are considered successful urban adapters mainly due to their generalist feeding and opportunistic...

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Multiple lines of evidence confirm that the critically endangered Blue-crowned Laughingthrush (Garrulax courtoisi) is an independent species

The taxonomy of the Blue-crowned Laughingthrush (Garrulax courtoisi) and its relationship with the Yellow-throated Laughingthrush (G. galbanus) and G. c. simaoensis, a range-restricted subspecies in...

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Habitat requirements of Boreal Owl (Aegolius funereus) and Pygmy Owl (Glaucidium passerinum) in rear edge montane populations on the Balkan Peninsula

Rear-edge populations of montane species are known to be vulnerable to environmental change, which could affect them by habitat reduction and isolation. Habitat requirements of two cold-adapted boreo-alpine...

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Using bioacoustic tools to clarify species delimitation within the Blakiston's Fish Owl (Bubo blakistoni) complex

Although Blakiston's Fish Owl (Bubo blakistoni) is widely treated as a single species, marked differences in the structure of pair duets between continental and insular populations have been documented....

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Phylogenetic definitions for 25 higher-level clade names of birds

Knowledge of the higher-level phylogenetic relationships of birds has grown substantially during the past two decades due to the application of genomic data. However, the nomenclature of higher-level...

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Ecological constraints on elevational gradients of bird species richness in Tajikistan

The avifauna in Tajikistan has been widely studied for the last century, but specific work on species richness pattern along elevation gradients in Tajikistan is rarely investigated. Here, we reported...

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Linking individual attributes and host specialization in brood parasitic cuckoos

Generalist avian brood parasites vary considerably in their degree of host specialization (e.g., number of hosts); some parasitize the nests of just a few host species, whereas others exploit more than...

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Light matters: Nest illumination alters egg rejection behavior in a cavity-nesting bird

Egg discrimination by cavity-nesting birds that build nests under dim light conditions was presumed to depend on nest luminance, although this hypothesis has rarely been tested. Tests of egg discrimination...

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The evolution of courtship displays in Galliformes

Species in Galliformes have elaborate ritual courtship displays, often including strutting, fluffing of tail or head feathers, and vocal sounds that serve as excellent examples of sexual selection....

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Antioxidant defense mechanisms and fatty acid catabolism in Red-billed Leiothrix (Leiothrix lutea) exposed to high temperatures

Extreme hot weather is occurring more frequently due to global warming, posing a significant threat to species survival. Birds in particular are more likely to overheat in hot weather because they have...

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Autumn migration routes of fledgling Chinese Egrets (Egretta eulophotes) in Northeast China and their implications for conservation

The Chinese Egret (Egretta eulophotes) is a globally threatened bird species living on the coast and islands of Liaoning, northeastern China, mainly in summer. To further protect the breeding population...

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Bird communities’ responses to human-modified landscapes in the southern Anhui Mountainous Area

Conversion of natural environments to human-modified landscapes is continuing at an unprecedented rate, exerting fundamental influences on global biodiversity. Understanding how wildlife communities...

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Plasma levels of luteinizing hormone and prolactin in relation to double brooding in Great Tit (Parus major)

The reproductive behaviors of birds are mainly controlled by the hypothalamus-pituitary-gonad axis. Many studies have shown that reproductive hormones are tightly linked to the breeding sub-stages....

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Breeding ecology of two sympatric laughingthrushes (Trochalopteron milnei and Garrulax berthemyi) in southwestern China

Here we documented up-to-date information on breeding ecology of Buffy Laughingthrush (Garrulax berthemyi), an endemic species of China, and a sympatric coordinal Red-tailed Laughingthrush (Trochalopteron...

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On the potential of documenting decadal-scale avifaunal change from before-and-after comparisons of museum and observational data across North America

Studies of biodiversity dynamics have been cast on either long (systematics) or short (ecology) time scales, leaving a gap in coverage for moderate time scales of decades to centuries. Large-scale biodiversity...

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Productivity constraints on Citron-crested Cockatoos in a rich community of large hole-nesting birds

Knowledge of breeding success and its limiting factors is crucial in assessing species’ conservation needs. As cavity-nesters, parrots are particularly influenced by the availability of suitable cavities...

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The development of the Rook's (Corvus frugilegus) colony in the face of shifting spring phenology

Many birds species breed in colonies. One of the species in the Corvidae family nesting in groups is the Rook (Corvus frugilegus). The construction of the nest is costly for birds and needs high energy...

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Landscape alteration affects the demography of an endangered avian predator by reducing the habitat quality

Habitat transformation is identified as major threat to biodiversity loss globally, affecting threatened raptors. Changes in land use can alter the abundance and distribution of birds of prey by affecting...

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Visual cognition of birds and its underlying neural mechanism: A review

Birds have acute vision and many remarkable visual cognition abilities, due to their unique living environment. The underlying neural mechanisms have also attracted interests of researchers in neuroscience....

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