13 Works

A framework for mapping the distribution of seabirds by integrating tracking, demography and phenology

Ana P. B. Carneiro, Elizabeth J. Pearmain, Steffen Oppel, Thomas A. Clay, Richard A. Phillips, Anne-Sophie Bonnet-Lebrun, Ross M. Wanless, Edward Abraham, Yvan Richard, Joel Rice, Jonathan Handley, Tammy E. Davies, Ben J. Dilley, Peter G. Ryan, Cleo Small, Javier Arata, John P. Y. Arnould, Elizabeth Bell, Leandro Bugoni, Letizia Campioni, Paulo Catry, Jaimie Cleeland, Lorna Deppe, Graeme Elliott, Amanda Freeman … & Maria P. Dias
1. The identification of geographic areas where the densities of animals are highest across their annual cycles is a crucial step in conservation planning. In marine environments, however, it can be particularly difficult to map the distribution of species, and the methods used are usually biased towards adults, neglecting the distribution of other life-history stages even though they can represent a substantial proportion of the total population. 2. Here we develop a methodological framework for...

Data from: Controlling trapping, overgrazing and invasive vegetation is key to saving Java's last population of the Black-winged Myna

Thomas M Squires, Nigel J Collar, Christian Devenish, Andrew Owen, Arif Pratiwi, Nurul L Winarni & Stuart J Marsden
The Black-winged Myna (Acridotheres melanopterus) is an Endangered passerine endemic to the islands of Java and Bali, Indonesia. Illegal trapping to supply the cage-bird trade has led to its near-total extinction, with the global population estimated to number fewer than 100 individuals. The only known population of Black-winged Mynas on Java occurs at Baluran National Park (BNP). These data were generated to meet the two primary aims of the linked paper: the first was to...

Bird community data from Wallacea biogeographic region collected 2018-2020

S.L. Mitchell, D.P. Edwards, R.W. Martin, A. Kastanya, A. Karja, P.G. Akbar, K. Jordan, T. Martin, J. Supriatna, N. Winarni, Z.G. Davies & M.J. Struebig
Bird community data from fixed point count stations generated by experienced ornithologists in Borneo and the Wallacean islands of Sulawesi (Buton), Seram, Buru, Talaud and Sangihe. Bird surveys were undertaken between 2016 and 2020, with work on any given island lasting ~3 months, except for Borneo where surveys were undertaken across 3 years (2014 – 2016). Surveys were repeated four times at each site on Sulawesi (Buton), Seram, Buru and once each on Talaud and...

Data for Land-sea linkages depend on macroalgal species, predator invasion history in a New Zealand archipelago

Stephanie Borrelle, Holly Jones & Lyndsay Rankin
Seabirds on islands create a circular seabird economy - whereby they feed in the ocean, transport marine-derived nutrients onshore to their breeding colonies, and then seabird-derived nutrients run off into the ocean, enriching nearshore ecosystems. Invasive predators reduce seabird colonies and nutrient subsidies; thus, predator eradication is critical for restoring seabird islands. Few studies have linked nearshore marine recovery to terrestrial ecosystem attributes and none have in temperate zones. Here, we tested the influence of...

Data from: Local-scale tree and shrub diversity improves pollination services to shea trees in tropical West African parklands

Aoife Delaney, Assita Dembele, Issa Nombre, Franck Gnane Lirasse, Elaine Marshall, Adama Nana, Juliet Vickery, Cath Tayleur & Jane Stout
Shea (Vitellaria paradoxa) trees bear fruit and seeds of considerable economic, nutritional and cultural value in the African Sudano-Sahelian zone. In much of West Africa, shea exists within an agroforestry system referred to as “Parkland”, where social changes, including migration, have resulted in expanding areas of crop cultivation, reductions in both the area of fallow land and the duration of fallow periods, and reduced diversity of habitats and woody species. Shea benefits strongly from pollination...

Data from: Characterising bird-keeping user-groups on Java reveals distinct behaviours, profiles and potential for change

Harry Marshall, Nigel Collar, Alexander Lees, Andrew Moss, Pramana Yuda & Stuart Marsden
1. Over 70 million cage-birds are kept across 12 million households on the island of Java, Indonesia, fuelling serious concerns for the health of regional wild bird populations. Understanding the behaviours, preferences and demographic profiles of bird-keepers will guide attempts to reduce demand for wild birds and hence the impact of trade on wild populations and their host ecosystems. 2. We profile three songbird-keeping user-groups based on interviews of nearly one thousand people across Java:...

Area of Habitat maps for the world's terrestrial birds and mammals

Maria Lumbierres, Prabhat Raj Dahal, Carmen D. Soria, Moreno Di Marco, Stuart H. M. Butchart, Paul F. Donald & Calro Rondinini
Area of Habitat (AOH) is 'the habitat available to a species, that is, habitat within its range'. It complements a geographic range map for a species by showing potential occupancy and reducing commission errors. AOH maps are produced by subtracting areas considered unsuitable for the species from their range map, using information on each species' associations with habitat and elevation. We present AOH maps for 5,481 terrestrial mammal and 10,651 terrestrial bird species (including 1,816...

Data from: Whole-chromosome hitchhiking driven by a male-killing endosymbiont

Simon Martin, Kumar Singh, Ian Gordon, Kennedy Omufwoko, Steve Collins, Ian Warren, Hannah Munby, Oskar Brattström, Walther Traut, Dino Martins, David Smith, Chris Jiggins, Chris Bass & Richard French-Constant
Neo-sex chromosomes are found in many taxa, but the forces driving their emergence and spread are poorly understood. The female-specific neo-W chromosome of the African monarch (or queen) butterfly Danaus chrysippus presents an intriguing case study because it is restricted to a single ‘contact zone’ population, involves a putative colour patterning supergene, and co-occurs with infection by the the male-killing endosymbiont Spiroplasma. We investigated the origin and evolution of this system using whole genome sequencing....

Data from: Survey completeness of a global citizen-science database of bird occurrence

Frank La Sorte & Marius Somveille
Measuring the completeness of survey inventories created by citizen-science initiatives can identify the strengths and shortfalls in our knowledge of where species occur geographically. Here, we use occurrence information from eBird to measure the survey completeness of the world’s birds in this database at three temporal resolutions and four spatial resolutions across the annual cycle during the period 2002 to 2018. Approximately 84% of the earth’s terrestrial surface contained bird occurrence information with the greatest...

Exploring intraspecific variation in migratory destinations to investigate the drivers of migration

Anne-Sophie Bonnet-Lebrun, Marius Somveille, Ana S.L. Rodrigues & Andrea Manica
Various benefits (e.g. tracking of resources and of climate niche) and costs (e.g. distance travelled) are hypothesized to drive seasonal animal migrations. Until now, these potential factors have been investigated together at the species level, but migratory movements are made at the individual level, leading to intraspecific variability. Here, we use ringing/recovery data from 1308 individuals belonging to thirteen North American bird species to analyse patterns in intraspecific variability of migratory destinations in order to...

Protected by dragons: density surface modeling confirms large population of the critically endangered Yellow-crested Cockatoo on Komodo island

Anna Reuleaux, Benny A. Siregar, Nigel J. Collar, Maria R. Panggur, Ani Mardiastuti, Martin J. Jones & Stuart J. Marsden
Intense trapping of the critically endangered Yellow-crested Cockatoo Cacatua sulphurea for the International pet trade has devastated its populations across Indonesia such that populations >100 individuals remain at only a handful of sites. We combined distance sampling with density surface modeling (DSM) to predict local densities and estimate total population size for one of these areas, Komodo Island, part of Komodo National Park (KNP) in Indonesia. We modeled local density based on topography (topographic wetness...

Data from: Impacts of habitat on butterfly dispersal in tropical forests, parks and grassland patches embedded in an urban landscape

Anuj Jain, Simon Kee Mun Chan, Petr Vlasanek & Edward Layman Webb
Dispersal distances of 17 species of butterflies in tropical Singapore were significantly greater in forest than in urban habitat. Butterflies in urban plots frequently moved within suitable habitat (park/grassland) patches but rarely crossed non-habitat patches suggesting potential isolation and a need for urban corridors.

Data from: Wintering bird communities are tracking climate change faster than breeding communities

Aleksi Lehikoinen, Åke Lindström, Andrea Santangeli, Päivi Sirkiä, Lluis Brotons, Vincent Devictor, Jaanus Elts, Ruud P. B. Fobben, Henning Heldbjerg, Sergi Herrando, Marc Herremans, Marie-Anne R. Hudson, Frederic Jiguet, Alison Johnston, Romain Lorrilliere, Emma-Liina Marjakangas, Nicole L. Michel, Charlotte M. Moshøj, Renno Nellis, Jean-Yves Paquet, Adam C. Smith, Tibor Szep & Chris Van Turnhout
1. Global climate change is driving species’ distributions towards the poles and mountain tops during both non-breeding and breeding seasons, leading to changes in the composition of natural communities. However, the degree of season differences in climate-driven community shifts has not been thoroughly investigated at large spatial scales. 2. We compared the rates of change in the community composition during both winter (non-breeding season) and summer (breeding) and their relation to temperature changes. 3. Based...

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Affiliations

  • BirdLife International
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  • Manchester Metropolitan University
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