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  1. Kiwi (Apteryx spp.) are flightless ratites from New Zealand whose numbers and distributions have declined following human arrival. Some of the kiwi species are known to hybridise but the extent of hybridization i...

    Authors: Lara D. Shepherd, Alan J. D. Tennyson, Hugh A. Robertson, Rogan M. Colbourne and Kristina M. Ramstad
    Citation: Avian Research 2021 12:24
  2. Efficient and safe movement is fundamental for wild birds to thrive in their environments. For arboreal forest animals, especially birds, canopy cover has a large impact on birds’ daily movements and is a cruc...

    Authors: Jin Bai, Chelsea A. Weitekamp, Kelly Frye and Kathryn E. Sieving
    Citation: Avian Research 2021 12:23
  3. Flowerpiercers (Diglossa) are traditionally considered as “parasites” of the pollination processes, as they can access the nectar without entering in contact with the reproductive structures of the plants. Nevert...

    Authors: Jairo Andrés Cuta-Pineda, Luis Alejandro Arias-Sosa and Roxibell C. Pelayo
    Citation: Avian Research 2021 12:22
  4. The composition of intestinal microflora in animals is affected by cross-species transmission. In a nature reserve, the foraging sites of waterbirds are relatively fixed, but frequently close to residential ar...

    Authors: Wei Wang, Lizhi Zhou, Rong Fu, Lei Cheng, Shaofei Yan, Nazia Mahtab and Yunwei Song
    Citation: Avian Research 2021 12:20
  5. As an important player during food digestion, gut microbiota has attracted much attention in diet adaptation studies in birds. Microbiota extracted from feces has been widely used as a proxy for gut microbiota...

    Authors: Xian Hou, Shengkai Pan, Zhenzhen Lin, Jiliang Xu and Xiangjiang Zhan
    Citation: Avian Research 2021 12:19

    The Correction to this article has been published in Avian Research 2021 12:26

  6. Understanding how species diversify is a long-standing question in biology. The allopatric speciation model is a classic hypothesis to explain the speciation process. This model supposes that there is no gene ...

    Authors: Pengcheng Wang, Chiafen Yeh, Jiang Chang, Hongyan Yao, Yiqiang Fu, Chengte Yao, Xiao Wang, Shouhsien Li and Zhengwang Zhang
    Citation: Avian Research 2021 12:17
  7. Some studies have indicated that the Horned Larks (Eremophila alpestris) should be considered as a species complex. Recently it split into four species or clades and seven subclades based on genetic, morphologica...

    Authors: Jimmy Alexander Vargas-Puentes, Luis Alejandro Arias-Sosa and Carolina Ramos-Montaño
    Citation: Avian Research 2021 12:16
  8. In bird species where offspring growth and survival rely on parents’ food provisioning, parents can maximise their fitness by increasing the quantity and/or the quality of preys delivered to their offspring. M...

    Authors: Laure Cauchard, Elise Isabella Macqueen, Rhona Lilley, Pierre Bize and Blandine Doligez
    Citation: Avian Research 2021 12:15
  9. One of the most challenging tasks in wildlife conservation and management is clarifying which and how external and intrinsic factors influence wildlife demography and long-term viability. The wild population o...

    Authors: Yashuai Zhang, Fang Wang, Zhenxia Cui, Min Li, Xia Li, Xinping Ye and Xiaoping Yu
    Citation: Avian Research 2021 12:14
  10. Great diversity exists in the parenting pattern of altricial birds, which has long been considered as an adaptive response to specific environmental conditions but not to their life-history style.

    Authors: Liqing Fan, Lifang Gao, Zhenqin Zhu, Xiaodan Zhang, Wen Zhang, Haiyang Zhang, Jianchuan Li and Bo Du
    Citation: Avian Research 2021 12:11
  11. The Rufous-backed Bunting, Emberiza jankowskii, is an endangered species that is primarily distributed in Inner Mongolia, China. The main threats to the continued persistence of this species are habitat loss and ...

    Authors: Shi Li, Dan Li, Lishi Zhang, Weiping Shang, Bo Qin and Yunlei Jiang
    Citation: Avian Research 2021 12:7
  12. The Red-footed Falcon (Falco vespertinus) is a species of high international conservation interest. We analyzed its hunting behavior at the two largest colonies in Italy during the nestling period. Using accurate...

    Authors: Marco Gustin and Alessandro Ferrarini
    Citation: Avian Research 2021 12:6
  13. To understand the dietary composition of the highly aerial swift (Apodidae), ecologists conventionally depend on the morphological identification of prey items from food boluses or stomach contents, but these ...

    Authors: Chun Ting Chung, Hok Sze Wong, Man Long Kwok, Qi Meng and King Ming Chan
    Citation: Avian Research 2021 12:5
  14. There is increasing interest in evaluating home-range overlap (or, otherwise, segregation) between bird species, and between or within bird populations, to inform spatial planning. So far, studies of home-rang...

    Authors: Alessandro Ferrarini, Giuseppe Giglio, Stefania Caterina Pellegrino and Marco Gustin
    Citation: Avian Research 2021 12:4
  15. Land-use change is one of the main drivers of the global erosion of biodiversity. In that context, it is crucial to understand how landscape characteristics drive the presence of rare endangered species. Never...

    Authors: Bertille Mohring, François Brischoux and Frédéric Angelier
    Citation: Avian Research 2021 12:3
  16. Patterns of rarity can be explained by reproductive rates, levels of endemism, and habitat specificity, and knowledge on these parameters is important to understand the levels of vulnerability of each species ...

    Authors: Daniel F. Perrella, Paulo V. Q. Zima and Mercival R. Francisco
    Citation: Avian Research 2021 12:2
  17. The Bar-headed Goose (Anser indicus) breeds across the high plains and plateau of Central Asia and winters in the Qinghai-Tibet Plateau (QTP), the Yunnan-Guizhou Plateau and the Indian sub-continent. Of the two r...

    Authors: Junjian Zhang, Yanbo Xie, Laixing Li, Nyambayar Batbayar, Xueqin Deng, Iderbat Damba, Fanjuan Meng, Lei Cao and Anthony David Fox
    Citation: Avian Research 2020 11:49
  18. Reconciling agriculture and biodiversity conservation is a challenge given the growing demand for agricultural products. In recent decades, Argentina has witnessed agricultural expansion and intensification af...

    Authors: Andrea P. Goijman, Michael J. Conroy, Vanina D. Varni, Jeffrey J. Thompson and María Elena Zaccagnini
    Citation: Avian Research 2020 11:48
  19. In this study, we report an unusual homing behavior of the Sichuan Partridge (Arborophila rufipectus) at the Laojunshan National Nature Reserve, Sichuan Province, China. Hen Sichuan Partridges led the chicks back...

    Authors: Yiqiang Fu, Shufang Wang, Benping Chen, Simon Dowell and Zhengwang Zhang
    Citation: Avian Research 2020 11:47
  20. Flying birds, especially those that hover, need to meet high energetic demands. Birds that meet this demand through nectarivory face the added challenges of maintaining homeostasis in the face of spikes in blo...

    Authors: Alexander M. Myrka, Tooba Shah, Jason T. Weir and Kenneth C. Welch Jr.
    Citation: Avian Research 2020 11:44
  21. The Elegant Pitta (Pitta elegans) complex displays a remarkable diversity of morphological and bioacoustic traits across five taxa currently recognized as subspecies. They differ in plumage characteristics (such ...

    Authors: Arya Y. Yue, Elize Y. X. Ng, James A. Eaton and Frank E. Rheindt
    Citation: Avian Research 2020 11:42
  22. The allocation of resources between offspring size and number is a central question of life-history theory. Although several studies have tested the existence of this trade-off, few studies have investigated h...

    Authors: Zitan Song, Xin Lin, Pinjia Que, Naerhulan Halimubieke, Qin Huang, Zhengwang Zhang, Tamás Székely and Yang Liu
    Citation: Avian Research 2020 11:40
  23. In this paper, we present evidence that biologging is strongly correlated with eye irritation, with sometimes severely impairing effects. A migratory population of the Northern Bald Ibis (Geronticus eremita, NBI)...

    Authors: Johannes Fritz, Barbara Eberhard, Corinna Esterer, Bernhard Goenner, Daniela Trobe, Markus Unsoeld, Bernhard Voelkl, Helena Wehner and Alexandra Scope
    Citation: Avian Research 2020 11:38
  24. Extra-pair paternity (EPP) in birds provides benefits in terms of more offspring, and characteristics for maintenance of this behaviour have been the subject of investigation. Microorganisms are known to be tr...

    Authors: Anders Pape Møller, Jørgen Skavdal Søraker and Juan José Soler
    Citation: Avian Research 2020 11:37
  25. Small birds in temperate habitats must either migrate, or adjust aspects of their morphology, physiology and behavior to cope with seasonal change in temperature and photoperiod. It is, however, difficult to a...

    Authors: Lin Li, Jingru Ge, Sangyu Zheng, Lihong Hong, Xini Zhang, Ming Li and Jinsong Liu
    Citation: Avian Research 2020 11:35
  26. Among urban stimuli, anthropogenic noise has been identified to be one of the behavioral drivers of species that rely on acoustic signals for communication. Studies have shown both species-specific and assembl...

    Authors: Cecilia Odette Carral-Murrieta, Michelle García-Arroyo, Oscar H. Marín-Gómez, J. Roberto Sosa-López and Ian MacGregor-Fors
    Citation: Avian Research 2020 11:32
  27. Evaluating relationships between avian populations and their habitat is important for understanding the biology of these species and for management decisions that improve the effectiveness of restoration pract...

    Authors: Camilo Loaiza, Olga L. Montenegro, David King, Manuel Spínola, Lilibeth Arinda Palacio and Agustín Rudas
    Citation: Avian Research 2020 11:33
  28. Patterns of biological diversity and richness can vary along the elevational gradients among mountain systems making it difficult to conclude the general pattern. The drivers of such pattern are also poorly kn...

    Authors: Naresh Pandey, Laxman Khanal and Mukesh Kumar Chalise
    Citation: Avian Research 2020 11:31
  29. Our understanding of any impacts of swans on other waterbirds (including other swans), and potential effects on waterbird community structure, remain limited by a paucity of fundamental behavioural and ecologi...

    Authors: Kevin A. Wood, Phoebe Ham, Jake Scales, Eleanor Wyeth and Paul E. Rose
    Citation: Avian Research 2020 11:30
  30. The dynamics and structure of many bird communities are changing due to the global warming and changes in the land use and management. The Ebro Valley constitutes one of the chief wintering areas for several p...

    Authors: Juan Arizaga, Daniel Alonso, Ariñe Crespo, Xabier Esparza, Efrén Fernández, Iñigo López, David Martín and Antonio Vilches
    Citation: Avian Research 2020 11:29
  31. Research activities have often been thought to potentially influence avian nesting success by increasing nest predation rates. Although recent studies of species building open nests and cavity nests suggest th...

    Authors: Qian Hu, Ye Wen, Gaoyang Yu, Jiangnan Yin, Haohui Guan, Lei Lv, Pengcheng Wang, Jiliang Xu, Yong Wang, Zhengwang Zhang and Jianqiang Li
    Citation: Avian Research 2020 11:28
  32. We report for the first time the occurrence of heteroplasmy in Grey Partridge (Perdix perdix) revealed by means of two mitochondrial fragments. The possible serious biological and management implications of this ...

    Authors: Claudia Pizzirani, Paolo Viola, Federica Gabbianelli, Anna Fagotti, Francesca Simoncelli, Ines Di Rosa, Paolo Salvi, Andrea Amici and Livia Lucentini
    Citation: Avian Research 2020 11:27
  33. Although urbanization is threatening biodiversity worldwide, the increasing green urban spaces could harbor relatively high biodiversity. Therefore, how to maintain the biodiversity in urban ecosystem is cruci...

    Authors: Chenxia Liang, Jun Liu, Bin Pan, Na Wang, Jie Yang, Guisheng Yang and Gang Feng
    Citation: Avian Research 2020 11:26
  34. Unlike resident birds, migratory birds are generally believed to have evolved to enhance flight efficiency; however, direct evidence is still scarce due to the difficulty of measuring the flight speed and mech...

    Authors: Yang Wang, Yuan Yin, Zhipeng Ren, Chuan Jiang, Yanfeng Sun, Juyong Li, Ghulam Nabi, Yuefeng Wu and Dongming Li
    Citation: Avian Research 2020 11:25
  35. The Common Pochard (Aythya ferina) (hereafter Pochard), a widespread and common freshwater diving duck in the Palearctic, was reclassified in 2015 from Least Concern to Vulnerable IUCN status based on rapid decli...

    Authors: Alexander Mischenko, Anthony David Fox, Saulius Švažas, Olga Sukhanova, Alexandre Czajkowski, Sergey Kharitonov, Yuri Lokhman, Oleg Ostrovsky and Daiva Vaitkuvienė
    Citation: Avian Research 2020 11:23

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