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  • Article
  • Open Access
59 Citations
24,586 Views
22 Pages

Data Types and the Phylogeny of Neoaves

  • Edward L. Braun and
  • Rebecca T. Kimball

5 January 2021

The phylogeny of Neoaves, the largest clade of extant birds, has remained unclear despite intense study. The difficulty associated with resolving the early branches in Neoaves is likely driven by the rapid radiation of this group. However, conflicts...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Systematic Review
  • Open Access
44 Citations
18,842 Views
16 Pages

10 December 2021

Wind energy developments can be responsible for negative impacts on birds, including displacement. In this study we performed a systematic review of the literature available on bird displacement due to wind turbines, both onshore and offshore, to: (i...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
14 Citations
16,136 Views
19 Pages

Identifying and Counting Avian Blood Cells in Whole Slide Images via Deep Learning

  • Markus Vogelbacher,
  • Finja Strehmann,
  • Hicham Bellafkir,
  • Markus Mühling and ,
  • Nikolaus Korfhage,
  • Daniel Schneider,
  • Sascha Rösner,
  • Dana G. Schabo,
  • Nina Farwig and
  • Bernd Freisleben
  • + 5 authors+ 0 author

19 January 2024

Avian blood analysis is a fundamental method for investigating a wide range of topics concerning individual birds and populations of birds. Determining precise blood cell counts helps researchers gain insights into the health condition of birds. For...

  • Review
  • Open Access
12 Citations
14,222 Views
28 Pages

23 December 2021

Opioid drugs are used to manage moderate to severe pain in mammals and avian species. In dosing opioids for a particular species, it is optimal to use dosing regimens based on pharmacokinetics or pharmacodynamics studies conducted in the same species...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Review
  • Open Access
29 Citations
13,797 Views
19 Pages

5 February 2021

Birds are the most speciose of all taxonomic groups currently housed in zoos, but this species diversity is not always matched by their inclusion in research output in the peer-reviewed literature. This large and diverse captive population is an exce...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
30 Citations
13,647 Views
18 Pages

Illegal Wildlife Trade in Traditional Markets, on Instagram and Facebook: Raptors as a Case Study

  • Vincent Nijman,
  • Ahmad Ardiansyah,
  • Abdullah Langgeng,
  • Rifqi Hendrik and ,
  • Katherine Hedger,
  • Grace Foreman,
  • Thais Q. Morcatty,
  • Penthai Siriwat,
  • S. (Bas) van Balen and
  • K. A. I. Nekaris
  • + 9 authors+ 4 authors

7 February 2022

Monitoring illegal wildlife trade and how the modus operandi of traders changes over time is of vital importance to mitigate the negative effects this trade can have on wild populations. We focused on the trade of birds of prey in Indonesia (2016&nda...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Feature Paper
  • Review
  • Open Access
35 Citations
13,065 Views
25 Pages

Birds as Bioindicators: Revealing the Widespread Impact of Microplastics

  • Lara Carrasco,
  • Eva Jiménez-Mora,
  • Maria J. Utrilla,
  • Inés Téllez Pizarro and ,
  • Marina M. Reglero,
  • Laura Rico-San Román and
  • Barbara Martin-Maldonado
  • + 2 authors+ 0 author

11 February 2025

The global crisis of plastic pollution, particularly involving microplastics (MPs) and nanoplastics (NPs), has profound ecological implications. Birds, serving as bioindicators, are especially susceptible to these pollutants. This systematic review s...

  • Review
  • Open Access
36 Citations
12,261 Views
17 Pages

The Ecology of the Zebra Finch Makes It a Great Laboratory Model but an Outlier amongst Passerine Birds

  • Simon C. Griffith,
  • Riccardo Ton,
  • Laura L. Hurley,
  • Callum S. McDiarmid and
  • Hector Pacheco-Fuentes

1 February 2021

Zebra Finches have become the most widely researched bird species outside of those used in agricultural production. Their adoption as the avian model of choice is largely down to a number of characteristics that make them easy to obtain and use in ca...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Communication
  • Open Access
14 Citations
12,097 Views
9 Pages

21 September 2021

In recent decades, there has been a decline of the House Sparrow (Passer domesticus), mainly in European cities, and several hypotheses have been proposed that attempt to determine the causes of this rapid decline. Previous studies indicated that hou...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Review
  • Open Access
6 Citations
11,051 Views
13 Pages

21 January 2022

In recent times, there has been an unprecedented increase in usage of electrical lightning. This has led to increase in artificial light at night (ALAN), and it has been suggested as a source of environmental pollution. ALAN exposure has been reporte...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Review
  • Open Access
15 Citations
10,210 Views
37 Pages

Executive Functions in Birds

  • Katarzyna Bobrowicz and
  • Samuel Greiff

1 April 2022

Executive functions comprise of top-down cognitive processes that exert control over information processing, from acquiring information to issuing a behavioral response. These cognitive processes of inhibition, working memory, and cognitive flexibili...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Communication
  • Open Access
9 Citations
9,983 Views
9 Pages

20 November 2021

The California Spotted Owl is an imperiled species that selects mature conifer forests for nesting and roosting while actively foraging in the “snag forest habitat” created when fire or drought kills most of the trees in patches. Federal agencies bel...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
12 Citations
9,777 Views
12 Pages

Long-Term Population Trends of House Sparrow and Eurasian Tree Sparrow in Spain

  • Elena Ramos-Elvira,
  • Eva Banda,
  • Juan Arizaga,
  • David Martín and
  • José I. Aguirre

25 March 2023

Urban areas are constantly increasing, which can cause an effect in bird populations since human activities lead to nature alterations. Populations of House Sparrow (Passer domesticus) and Eurasian Tree Sparrow (Passer montanus) have been decreasing...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
14 Citations
9,655 Views
18 Pages

4 December 2021

When different introduced species across trophic levels (parasite, predator) invade island systems, they may pose significant threats to nesting birds. In this study, we measure nesting height and infer causes of offspring mortality in the critically...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
11 Citations
9,517 Views
18 Pages

9 October 2022

Monk Parakeets are considered one of the most invasive bird species given its unique capacity among psittacines to build their own communal nests. Originally introduced as pets in houses from where they escaped or were released, they are currently co...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Review
  • Open Access
14 Citations
9,399 Views
22 Pages

5 June 2021

The Millennium Ecosystem Assessment proposed four categories of ecosystem services as regulating, provisioning, supporting and cultural. Of these, cultural services have been the most difficult to quantify despite playing a key role in developing soc...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Feature Paper
  • Article
  • Open Access
26 Citations
9,346 Views
20 Pages

24 July 2021

Urban planning and management need long-term population level studies for evaluating how urbanization influences biodiversity. Firstly, we reviewed the current population trends of the House Sparrow (Passer domesticus) and the Eurasian Tree Sparrow (...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Commentary
  • Open Access
14 Citations
8,909 Views
18 Pages

Considering What Animals “Need to Do” in Enclosure Design: Questions on Bird Flight and Aviaries

  • Paul Rose,
  • Marianne Freeman,
  • Ian Hickey,
  • Robert Kelly and
  • Phillip Greenwell

12 September 2024

Zoo enclosure design, and housing and husbandry protocols, will always be a compromise between what a species has evolved to do and what is possible to offer in a human-created environment. For some species, behaviours that are commonly performed in...

  • Article
  • Open Access
6 Citations
8,868 Views
15 Pages

Human Perception of Birds in Two Brazilian Cities

  • Gabriela Rosa Graviola,
  • Milton Cezar Ribeiro and
  • João Carlos Pena

19 April 2024

Understanding how humans perceive animals is important for biodiversity conservation, however, only a few studies about this issue have been carried out in South America. We selected two Brazilian cities to assess people’s perceptions of birds:...

(This article belongs to the Special Issue Birds and People)
  • Article
  • Open Access
3 Citations
8,814 Views
14 Pages

17 February 2023

Mangrove ecosystems are excellent habitats for migrating and resident birds. The proposed Sarasalai mangrove reserve is located in one of the richest waterbird zones in Sri Lanka. This site has never been properly studied as a single site for its avi...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
6 Citations
8,749 Views
9 Pages

17 March 2021

The family Ciconiidae comprises 19 extant species which are highly social when nesting and foraging. All species share similar morphotypes, with long necks, a bill, and legs, and are mostly coloured in the achromatic spectrum (white, black, black, an...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Communication
  • Open Access
9 Citations
8,708 Views
21 Pages

Free Flight Training as a Tool for Psittacine Reintroductions

  • Donald J. Brightsmith,
  • Chris Biro,
  • Humberto F. Mendes and
  • Constance Woodman

21 August 2024

As habitat loss and other threats accelerate, ecological restoration and reintroduction science are becoming progressively more important. The psittacines are among the most endangered bird groups and are prime candidates for restoration through rein...

  • Article
  • Open Access
13 Citations
8,599 Views
18 Pages

Composition and Potential Function of Fecal Bacterial Microbiota from Six Bird Species

  • Jose F. Garcia-Mazcorro,
  • Cecilia Alanis-Lopez,
  • Alicia G. Marroquin-Cardona and
  • Jorge R. Kawas

13 January 2021

Gut microbial communities play a fundamental role in health and disease, but little is known about the gut microbiota of pet bird species. This is important to better understand the impact of microbes on birds’ health but may also be relevant i...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Feature Paper
  • Article
  • Open Access
4 Citations
8,515 Views
15 Pages

Aerodynamics of Flight Formations in Birds: A Quest for Energy Efficiency

  • Fabien Beaumont,
  • Sébastien Murer,
  • Fabien Bogard and
  • Guillaume Polidori

24 March 2025

While the formation flight of birds offers numerous benefits, such as reduced predation risk, improved orientation, and enhanced communication, the aerodynamic interactions between birds are not fully understood due to their inherent complexity. This...

  • Feature Paper
  • Article
  • Open Access
13 Citations
8,395 Views
10 Pages

Flight Initiation Distance in an Urban Bird: Influence of the Number of People, Gaze Orientation, and Bird Behavior

  • Natália Cardoso de Resende,
  • Camila Palhares Teixeira and
  • Cristiano Schetini de Azevedo

5 June 2024

The flight initiation distance (FID) measures the distance a bird flees from an approaching predator. Factors such as the frequency of predator approaches, the direction of predator gaze, variations in predator presence across different areas, and th...

  • Article
  • Open Access
13 Citations
8,368 Views
18 Pages

Parrot Trade and the Potential Risk of Psittacosis as a Zoonotic Disease in Indonesian Bird Markets

  • Abdullah Abdullah,
  • Ahmad Ardiansyah,
  • Michela Balestri,
  • Marco Campera and ,
  • Jessica Chavez,
  • Tungga Dewi,
  • Anna Fourage,
  • Emma L. Hankinson,
  • Katherine Hedger and
  • Meng Xie
  • + 13 authors+ 8 authors

7 March 2024

Wildlife trade, both legal and illegal, is increasingly recognized as a key factor in the rise of emerging viral infectious diseases, and this is especially apparent in Asia, where large numbers of wildlife are openly offered for sale in bird markets...

  • Communication
  • Open Access
5 Citations
8,192 Views
13 Pages

19 October 2021

The diets of raptors are some of the best studied and well-known of all bird groups. Raptors are typically carnivores, hunting and feeding on vertebrates and, for some species, invertebrates. Here, we described instances of the Black Kite (Milvus mig...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Perspective
  • Open Access
11 Citations
8,058 Views
17 Pages

16 June 2023

Bird–forestry relationships have been the subject of research and conservation initiatives for decades, but there are few reviews of resulting recommendations for use by forest managers. We define “bird-friendly forestry” as forest...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
36 Citations
8,039 Views
11 Pages

Will Brazilian City Dwellers Actively Engage in Urban Conservation? A Case Study with the Charismatic Neotropical Blue-and-Yellow Macaw (Ara ararauna)

  • Fabio Angeoletto,
  • Piotr Tryjanowski,
  • Jeater Santos,
  • Beatriz Martinez-Miranzo and ,
  • Deleon Leandro,
  • João Bohrer,
  • Juciane Maria Johann and
  • Mark D. E. Fellowes
  • + 3 authors+ 0 author

1 June 2022

The Blue-and-yellow macaw (Ara ararauna) is a charismatic and easily recognized species. While they are classified as being of “least concern” in the International Union for Conservation of Nature (IUCN) Red List, their populations are de...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
20 Citations
8,030 Views
21 Pages

10 February 2022

Visitors can influence the behaviour of zoo animals through their auditory and visual presence, with mixed findings of negative, neutral, and positive effects on welfare. This study opportunistically utilised the UK-wide COVID-19 period of zoo closur...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
7 Citations
7,969 Views
14 Pages

2 August 2021

Passive acoustic recorders have been used successfully as automated survey tools to detect terrestrial wildlife. However, few studies have monitored Neotropical migratory bird use of riparian forest habitat using this technology. Within dryland ecosy...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Article
  • Open Access
23 Citations
7,925 Views
10 Pages

1 March 2023

Bird sound classification plays an important role in large-scale temporal and spatial environmental monitoring. In this paper, we investigate both transfer learning and training from scratch for bird sound classification, where pre-trained models are...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
11 Citations
7,923 Views
12 Pages

Fruit Color Preference of Frugivorous Birds in an Agroecosystem in Southcentral Mindanao, Philippines

  • Navel Kyla B. Balasa,
  • Jirriza O. Roquero,
  • Asraf K. Lidasan,
  • Lothy F. Casim and ,
  • Angelo Rellama Agduma and
  • Krizler Cejuela Tanalgo
  • + 1 author+ 0 author

24 April 2023

The removal of fruit is a consequence of plant–animal interactions, and is a vital step in the natural regeneration cycle of plant populations. This research aimed to determine the effect of fruit color and local landscape on plant–bird i...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
18 Citations
7,735 Views
18 Pages

22 January 2023

About four million photographic records of Brazilian birds are deposited in the WikiAves database. The objective of this study was to examine the spatiotemporal distribution of photographic records available in this database. Searches were performed...

(This article belongs to the Special Issue Birds and People)
  • Communication
  • Open Access
5 Citations
7,493 Views
13 Pages

Home Ranges and Migration Routes of Four Threatened Raptors in Central Asia: Preliminary Results

  • Mohan Ram,
  • Aradhana Sahu,
  • Shyamal Tikadar,
  • Devesh Gadhavi and ,
  • Tahir Ali Rather,
  • Lahar Jhala and
  • Yashpal Zala
  • + 2 authors+ 0 author

14 September 2022

Understanding the migratory route of raptors in their breeding and wintering grounds is crucial for ensuring their effective conservation. This study presents the preliminary findings through satellite telemetry to describe the summer and winter home...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
16 Citations
7,428 Views
19 Pages

31 October 2021

The spatial variation in the strength of climate change may lead to different impacts on migratory birds using different breeding areas across a region. We used a long-term data series of White Stork ring recoveries to study the temporal and spatial...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Feature Paper
  • Article
  • Open Access
5 Citations
7,397 Views
11 Pages

21 October 2021

The point-count method is one of the most popular techniques for surveying birds. However, the accuracy and precision of this method may vary across various environments and geographical regions. We conducted sound-recorder-based point-counts to exam...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Communication
  • Open Access
4 Citations
7,299 Views
9 Pages

Why Do Birds False Alarm Flight?

  • Meredith Root-Bernstein

29 December 2021

False alarm flighting in avian flocks is common, and has been explained as a maladaptive information cascade. If false alarm flighting is maladaptive per se, then its frequency can only be explained by it being net adaptive in relation to some other...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Review
  • Open Access
11 Citations
7,217 Views
23 Pages

25 December 2023

Nestboxes are commonly used to increase the number and quality of nest sites available to birds that usually use tree cavities and are considered an important conservation intervention. Although usually safer than natural cavities, birds nesting in s...

  • Article
  • Open Access
8 Citations
7,037 Views
16 Pages

9 February 2023

Wind farms are an alternative energy source mitigating environmental pollution. However, they can have adverse effects, causing an increase in mortality for wildlife through collision with wind turbines. The aim of this study was to investigate the r...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Feature Paper
  • Article
  • Open Access
10 Citations
6,967 Views
18 Pages

10 August 2024

Despite high-quality insect food being often restricted in cities, insects are important for the development of birds. Nonetheless, plenty of insects are smashed on cars, and they are available for those species that are able to use them. We used bot...

  • Article
  • Open Access
4 Citations
6,964 Views
11 Pages

26 April 2023

Migratory routes, important stopover sites and wintering grounds for the Turtle Dove, a declining trans-Saharan migratory bird, are known mainly for populations in western and central Europe, but very little is known about birds using the eastern mig...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
17 Citations
6,950 Views
12 Pages

5 February 2023

Predation is a major source of mortality for many avian species. Species that face more predators, and those with less effective anti-predator responses, are presumably more likely to die from predation over time. Predation rate, as a measure of susc...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
13 Citations
6,923 Views
14 Pages

Effects of Night Illumination on Behavior, Body Mass and Learning in Male Zebra Finches

  • Abhilash Prabhat,
  • Mayank Kumar,
  • Ashwani Kumar,
  • Vinod Kumar and
  • Sanjay K. Bhardwaj

12 November 2021

An increase in artificial night lighting has blurred the boundaries of day and night and transformed the natural day-night environment with alteration in the temporal niche of the animals. Male zebra finches were exposed to a dim light at night (dLAN...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Feature Paper
  • Review
  • Open Access
16 Citations
6,920 Views
30 Pages

12 June 2024

More than 40 hypotheses predict associations between features of nest architecture and at least one measure of reproductive success. However, quantitative studies of reproductive consequences of nest characteristics remain scarce. In addition, most s...

  • Article
  • Open Access
10 Citations
6,800 Views
19 Pages

Bird Assemblages in a Peri-Urban Landscape in Eastern India

  • Ratnesh Karjee,
  • Himanshu Shekhar Palei,
  • Abhijit Konwar,
  • Anshuman Gogoi and
  • Rabindra Kumar Mishra

18 November 2022

Urbanization plays an important role in biodiversity loss across the globe due to natural habitat loss in the form of landscape conversion and habitat fragmentation on which species depend. To study the bird diversity in the peri-urban landscape, we...

(This article belongs to the Special Issue Feature Papers of Birds 2022–2023)
  • Article
  • Open Access
13 Citations
6,723 Views
13 Pages

11 June 2021

Urban green spaces (UGS), such as parks and wooded streets, are open areas with vegetation that provide sustainability to urban areas. However, their role in conserving bird diversity in neotropical cities has scarcely been analyzed. The aim of this...

(This article belongs to the Special Issue Feature Papers of Birds 2021)
  • Review
  • Open Access
4 Citations
6,713 Views
11 Pages

A Worldwide Review of Snowy Owl Feeding Ecology: The Importance of Lemmings and Voles in a Changing Climate

  • Denver W. Holt,
  • Matthew D. Larson,
  • Mathew T. Seidensticker and
  • Stephen P. Hiro

8 July 2024

We compared Snowy Owl feeding ecology from 15 breeding season studies throughout Nearctic and Palearctic circumpolar regions. We used raw data and information theory to assess the owls’ feeding niche. Combined studies yielded 59,923 prey items,...

  • Review
  • Open Access
8 Citations
6,588 Views
13 Pages

9 December 2022

The design of bird diverters should be based upon the perception of birds, not the perception of humans, but until now it is human vision that has guided diverter design. Aspects of bird vision pertinent to diverter design are reviewed. These are app...

(This article belongs to the Special Issue Bird Mortality Caused by Power Lines)
  • Essay
  • Open Access
2 Citations
6,372 Views
14 Pages

17 October 2024

In Poland, it is highly probable that in past centuries, Common Cranes (Grus grus) were widespread all over the country. In the 19th century, a particularly dramatic decline in this population took place when Common Cranes abandoned many regions. At...

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