Step-by-step to success: Multi-stage learning driven robust audiovisual fusion network for fine-grained bird species classification
December 2025
Bird monitoring and protection are essential for maintaining biodiversity, and fine-grained bird classification has become a key focus in this field. Audio-visual modalities provide critical cues for...
Duets encode morphological information from both partners in Rufous Horneros
December 2025
Acoustic signals in birds are often influenced by body and beak size (the morphological constraint hypothesis) and may also reflect the sender's condition (the condition dependence hypothesis). However,...
Quantifying avian wing shapes: Evaluating indices, their relationships, and ecological correlates
December 2025
Avian wings are central to their remarkable flight ability and diverse life history strategies, including behaviors such as fighting and mating. These multifaceted functions are intricately tied to...
Density dependence and weather drive dabbling duck spatiotemporal distributions and intercontinental migration
December 2025
Understanding migratory waterfowl spatiotemporal distributions is important because, in addition to their economic and cultural value, wild waterfowl can be infectious reservoirs of highly pathogenic...
Multidimensional nestedness patterns and underlying processes of bird assemblages in the Zhoushan Archipelago, China
December 2025
Nestedness is one of the important patterns in island biogeography, community ecology and conservation biology. However, most previous nestedness studies focus on the taxonomic dimension while neglecting...
Dynamic evolution of olfactory receptor genes in the Turkey Vulture and Black Vulture
December 2025
Olfactory receptors (ORs), the largest vertebrate multigene family, exhibit wide copy number variation among taxa, ranging from ∼100 to 4000. The ecological importance of smell has been suggested to...
Effects of individual and group factors on the social relationships of Budgerigars
December 2025
Social animals often form dynamic relationships with group members, which have been associated with increased social learning, survival and reproductive success. Social relationships can be shaped by...
Avian phylogenetic and functional diversity and their influencing factors in urban parks of Nanjing, China
December 2025
The acceleration of global urbanization has caused habitat loss, fragmentation, and decrease of habitat quality, often leading to a decline in biodiversity. However, most previous urbanization studies...
Strengthening flyway conservation through NGOs' engagement: Case of Hanns Seidel foundation
December 2025
Rapid male plumage evolution drives sexual dichromatism in Ficedula flycatchers
December 2025
Sexual dichromatism represents a major form of phenotypic differentiation between the sexes in birds, and its evolution is likely shaped by the interplay between sexual and natural selection. The genus...
Visual cues modulate nest defense behavior in Japanese Tits: Insights from the appearance, posture and size of snake dummies
December 2025
Predator dummies are usually used to explore the impact of predator features on the anti-predator behavior of birds. Previous studies have shown that the morphology and behavior of aerial predators...
The product of head height and head width is a strong predictor of brain mass in birds
December 2025
Animal behavioral studies are often combined with research concerning cognitive abilities. Larger brains usually mean more complex neural networks and advanced cognitive functions. By measuring the...
A systematic review of avian response to urbanization in China: Research trends, current insights, and future directions
December 2025
Urbanization is one of the most extreme forms of land-use alteration that is advancing across the world with unprecedented speed. As the largest developing country, China has developed a unique path...
Species status and genetic isolation in the Subalpine Warbler complex: Insights from mitochondrial DNA analysis
December 2025
This study investigates the genetic differentiation and gene flow within the Subalpine Warbler (Curruca cantillans) complex using mitochondrial DNA (mtDNA) analysis. We focused on three primary populations...
Canalization of globins in the adaptive evolution of birds
December 2025
The globin superfamily, central to oxygen (O2) cascade dynamics, exemplifies how canalization—evolutionary stabilization of phenotypic traits—enables vertebrates to thrive in extreme environments. In...
Escape behaviors of the Eurasian Tree Sparrow (Passer montanus) across China: Northern populations are bolder than southern populations
December 2025
Urbanization has significantly altered the habitat structure and behavioral patterns of animals. In urban environments with frequent human disturbances, animals may undergo adaptive adjustments in their...
Importance of surrounding landscape features in explaining wintering waterbird diversity and community assembly in Jiangsu's inland lake wetlands
December 2025
As one of the important wintering areas along the East Asian–Australasian Flyway, wetlands in the Yangtze River floodplain face threats from land-use changes, yet its effects on wintering waterbirds...
Metagenomic insights into the geographic divergence and functional adaptation of gut microbiota in the endangered Scaly-sided Merganser (Mergus squamatus)
December 2025
Investigating geographical variation and functional adaptation of gut microbiomes in endangered species is an emerging field in conservation biology. Here, we investigated the endangered waterbird,...
Swan Project promotes citizen science initiative through a public bird migration tracking
December 2025
Phylogenetic relatedness overshadows acoustic similarity to regulate responses toward unfamiliar mobbing calls in Masked Laughingthrushes
December 2025
Recognition of heterospecific mobbing calls can occur through both innate and learned mechanisms, with the former often explained by two main hypotheses: the acoustic similarity hypothesis, which emphasizes...
Birds' co-occurrence is mediated by diet, habitat type, and anthropogenic disturbances in Ghana's Central Region
September 2025
Understanding the fundamental drivers of large-scale species co-occurrence is a critical issue in ecology and conservation research. Here, we assessed foraging guilds, habitat type and disturbances...
Migration patterns and spatial connectivity of Pallas's Gulls (Ichthyaetus ichthyaetus) from Alakol lake, Kazakhstan using ring recovery and tracking data
September 2025
Understanding migration patterns and spatial connectivity is crucial for conserving long-distance migratory birds. While satellite telemetry has advanced the study of large gulls, Pallas's Gull (Ichthyaetus...
The influence of the abundance and availability of alternative food on the foraging behavior of wintering Siberian Cranes (Leucogeranus leucogeranus)
September 2025
Food abundance and availability constitute fundamental determinants of foraging habitat quality for waterbirds, with high-quality foraging habitats playing a crucial role in supporting the survival...
Elevated extinction risk of low-elevation populations of two songbirds on the Taiwan island
September 2025
Prevailing concerns on mountainous biodiversity are concentrated on the impacts of climate change at higher elevations. However, the lower elevations are facing additional human disturbance and are...
Evaluation of the visual signal in playback by territorial responses of nuthatches
September 2025
A playback experiment is a well-established method for behavior research, especially in the study of the territorial responses of songbirds. Birds obtain information from multimodal signals, whereas...