Journal of Animal Ecology

Cover image for Vol. 83 Issue 6

Early View (Online Version of Record published before inclusion in an issue)

Edited By: Ken Wilson, Tim Coulson, Jean-Michel Gaillard and Ben Sheldon

Impact Factor: 4.726

ISI Journal Citation Reports © Ranking: 2013: 1/152 (Zoology); 21/140 (Ecology)

Online ISSN: 1365-2656

Associated Title(s): Functional Ecology, Journal of Applied Ecology, Journal of Ecology, Methods in Ecology and Evolution

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  1. Standard Papers

    1. Phylogenetic diversity and co-evolutionary signals among trophic levels change across a habitat edge

      Guadalupe Peralta, Carol M. Frost, Raphael K. Didham, Arvind Varsani and Jason M. Tylianakis

      Article first published online: 24 OCT 2014 | DOI: 10.1111/1365-2656.12296

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      This study provides the first empirical evidence that phylogenetic diversity responds differently across a habitat edge gradient depending on the trophic level considered, and that the signal of coevolution between higher trophic levels (measured as phylogenetic congruence among interacting species) can also be affected by a change in land use.

    2. Density-dependent habitat selection of spawning Chinook salmon: broad-scale evidence and implications

      Matthew R. Falcy

      Article first published online: 24 OCT 2014 | DOI: 10.1111/1365-2656.12297

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      Taking 26 years of data the author of this study uses novel applications of modelling techniques to assess mechanisms of habitat selection by spawning Chinook salmon. These techniques have important uses in the emerging field of eco-evolutionary dynamics.

    3. Latitudinal and photic effects on diel foraging and predation risk in freshwater pelagic ecosystems

      Adam G. Hansen and David A. Beauchamp

      Article first published online: 24 OCT 2014 | DOI: 10.1111/1365-2656.12295

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      This study asks: how does natural variation in photic conditions shape the foraging-risk environment for visually feeding planktivores and piscivores in freshwater pelagic ecosystems? Authors show that diel-seasonal foraging and predation risk in these ecosystems changes considerably with latitude, turbidity and cloud cover. These changes alter the structure of pelagic predator–prey interactions, and in turn, the broader role of pelagic consumers in habitat coupling in lakes.

    4. Spatial patterns of extra-pair paternity: beyond paternity gains and losses

      Lotte Schlicht, Mihai Valcu and Bart Kempenaers

      Article first published online: 23 OCT 2014 | DOI: 10.1111/1365-2656.12293

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      This paper presents a novel approach for analysing behaviours that arise from interactions of two individuals, for example extra-pair behaviour. It takes into account the spatial setting of the involved individuals and both individuals’ characteristics and neighbourhoods. The paper demonstrates this using a case study on extra-pair paternity in blue tits (Cyanistes caeruleus).

    5. Assembly patterns of mixed-species avian flocks in the Andes

      Gabriel J. Colorado and Amanda D. Rodewald

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12300

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      This paper makes a novel contribution by applying principles of community assembly, in particular assembly rules, to study patterns of aggregation in social systems in birds (namely mixed-species bird flocks). By evaluating several assembly models, findings suggest that deterministic factors associated to competitive interactions are important contributors to mixed-species flock assemblages.

    6. Season-specific and guild-specific effects of anthropogenic landscape modification on metacommunity structure of tropical bats

      Laura M. Cisneros, Matthew E. Fagan and Michael R. Willig

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12299

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      This study is the first to evaluate multiple metacommunity structures (meso-scale structure) in human-modified landscapes. This approach revealed that bat metacommunities were likely structured by differential resource use or interspecific relationships. Furthermore, the interaction between landscape characteristics and seasonal variation in resources resulted in season-specific and guild-specific distributional patterns

    7. Persistent sex-by-environment effects on offspring fitness and sex-ratio adjustment in a wild bird population

      E. Keith Bowers, Charles F. Thompson and Scott K. Sakaluk

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12294

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      Sex-specific sibling rivalry and sensitivity to the quality of the rearing environment favours sex-ratio adjustment by parents. At the same time, however, increased sensitivity of males to these environmental conditions reduces the fitness returns from highly male-biased broods and, thus, the extent of sex-ratio adjustment in wild populations.

    8. Hidden semi-Markov models reveal multiphasic movement of the endangered Florida panther

      Madelon van de Kerk, David P. Onorato, Marc A. Criffield, Benjamin M. Bolker, Ben C. Augustine, Scott A. McKinley and Madan K. Oli

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12290

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      By applying hidden semi-Markov models and the Viterbi algorithm to long-term GPS telemetry data, authors show that differences in movement patterns of male and female Florida panthers are caused by sex-specific differences in diurnal patterns of state occupancy and sex-specific differences in state-specific movement parameters, whereas the differences between females with and without dependent kittens were caused solely by variation in state occupancy. Photo credit: Tim Donovan, Florida Fish and Wildlife Conservation Commission.

    9. You have full text access to this OnlineOpen article
      Predicting invasive species impacts: a community module functional response approach reveals context dependencies

      Rachel A. Paterson, Jaimie T. A. Dick, Daniel W. Pritchard, Marilyn Ennis, Melanie J. Hatcher and Alison M. Dunn

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12292

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      In this study the authors integrated functional responses within a four-species community module approach (higher-order predator; focal native or invasive predators; parasites of focal predators; native prey) to reflect patterns of field impact and reveal context dependencies of parasitism and higher-order predators.

    10. Elements of regional beetle faunas: faunal variation and compositional breakpoints along climate, land cover and geographical gradients

      Jani Heino and Janne Alahuhta

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12287

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      Many biogeographical and macroecological studies neglect developments in the statistical methods of community ecology, examining basically the same questions, i.e., how assemblages are structured and which patterns they show. The novelty of our paper lies in the application of community ecology methods to understand large-scale faunal patterns of beetles.

    11. Changes in host–parasitoid food web structure with elevation

      Sarah C. Maunsell, Roger L. Kitching, Chris J. Burwell and Rebecca J. Morris

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12285

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      This is the first study to show elevational changes in quantitative host-parasitoid food web structure, indicating that the way in which species interact is altered by the changes in environmental conditions along elevational gradients. These findings have important implications for predicting how insect communities may respond to climate change.

    12. Phantom alternatives influence food preferences in the eastern honeybee Apis cerana

      Ken Tan, Shihao Dong, Xiwen Liu, Weiweng Chen, Yuchong Wang, Benjamin P. Oldroyd and Tanya Latty

      Article first published online: 20 OCT 2014 | DOI: 10.1111/1365-2656.12288

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      Our paper demonstrates that bees which encounter ‘sold-out’ feeders are more likely to select alternative feeders which have similar characteristics to the sold-out alternative. This is the first demonstration of the ‘phantom alternative’ effect in an insect.

    13. You have full text access to this OnlineOpen article
      Long-term phenological trends, species accumulation rates, aphid traits and climate: five decades of change in migrating aphids

      James R. Bell, Lynda Alderson, Daniela Izera, Tracey Kruger, Sue Parker, Jon Pickup, Chris R. Shortall, Mark S. Taylor, Paul Verrier and Richard Harrington

      Article first published online: 3 OCT 2014 | DOI: 10.1111/1365-2656.12282

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      We examined the migration of 55 species of aphid over the last five decades and showed that flight phenologies were linked to both the North Atlantic Oscillation and accumulated temperatures above 16 °C. We also demonstrated statistically that both spatial location and life history traits had a profound effect on the timing and size of aphid migrations.

    14. Seed perishability determines the caching behaviour of a food-hoarding bird

      Eike Lena Neuschulz, Thomas Mueller, Kurt Bollmann, Felix Gugerli and Katrin Böhning-Gaese

      Article first published online: 22 SEP 2014 | DOI: 10.1111/1365-2656.12283

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      This study is among the first to highlight the importance of seed perishability as a mechanism for non-random caching behaviour and has important implications for the regeneration of animal-dispersed plants.

    15. Forecasting spring from afar? Timing of migration and predictability of phenology along different migration routes of an avian herbivore

      Andrea Kölzsch, Silke Bauer, Rob de Boer, Larry Griffin, David Cabot, Klaus-Michael Exo, Henk P. van der Jeugd and Bart A. Nolet

      Article first published online: 17 SEP 2014 | DOI: 10.1111/1365-2656.12281

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      This article compares spring migration timing of three barnacle geese populations using GPS tracks. The geese were not strictly following, but overtaking the green wave. Predictability of onset of spring differed with presence or absence of ecological barriers, geese arriving at stopovers close to the onset of spring at high predictability.

    16. Predators, energetics and fitness drive neonatal reproductive failure in red squirrels

      Emily K. Studd, Stan Boutin, Andrew G. McAdam, Charles J. Krebs and Murray M. Humphries

      Article first published online: 9 SEP 2014 | DOI: 10.1111/1365-2656.12279

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      This study looks are factors influencing reproductive failure in a free-ranging species over 24 years. Through the inclusion of predator abundance, and energetic and fitness costs and benefits of parental investment, we show that occurrences of reproductive failure represent a tradeoff between costs and benefits.

    17. You have full text access to this OnlineOpen article
      Predator-dependent functional response in wolves: from food limitation to surplus killing

      Barbara Zimmermann, Håkan Sand, Petter Wabakken, Olof Liberg and Harry Peter Andreassen

      Article first published online: 6 SEP 2014 | DOI: 10.1111/1365-2656.12280

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      This study on the functional response of wild-living wolves to changes in prey density explores how not only the prey, but also predator density and interference between predators affect kill rates. The novel energetic approach to functional response modelling reveals surplus-killing in small and food limitation in large wolf packs.

    18. Effects of land-use intensity on arthropod species abundance distributions in grasslands

      Nadja K. Simons, Martin M. Gossner, Thomas M. Lewinsohn, Markus Lange, Manfred Türke and Wolfgang W. Weisser

      Article first published online: 2 SEP 2014 | DOI: 10.1111/1365-2656.12278

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      We show that community structure of grassland arthropods shifts under increasing land-use intensity (mostly fertilization), increasing the dominance of already abundant species. We also show that the majority of rare species was only found on a small proportion of grassland plots and in low abundances, restricting recolonization after disturbance events.

    19. Ecological implications of reduced forage quality on growth and survival of sympatric geese

      Samantha E. Richman, James O. Leafloor, William H. Karasov and Scott R. McWilliams

      Article first published online: 27 AUG 2014 | DOI: 10.1111/1365-2656.12270

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      Growth trajectories of Canada and lesser snow goose goslings raised on grass-based diets (protein: 10%, 14%, 18%; fibre: 30%, 45%) revealed size-related differences in growth and survival in response to diminished diet quality. Canada goose goslings were able to slow growth rates and delay reaching adult size in response to low protein in the diet, whereas snow goose goslings maintained high growth rates and were unable to survive on the low-protein diets. These differences in growth strategy indicate a sensitive, but species-specific, response to changes in forage quality and quantity in arctic ecosystems caused by abundance of the geese themselves or by climate change.

  2. Special Feature: Stuck In Motion? Reconnecting Questions And Tools In Movement Ecology

    1. ‘You shall not pass!’: quantifying barrier permeability and proximity avoidance by animals

      Hawthorne L. Beyer, Eliezer Gurarie, Luca Börger, Manuela Panzacchi, Mathieu Basille, Ivar Herfindal, Bram Van Moorter, Subhash R. Lele and Jason Matthiopoulos

      Article first published online: 25 AUG 2014 | DOI: 10.1111/1365-2656.12275

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      Here, the authors develop a framework for simultaneously quantifying the effects of habitat preference, barrier permeability and intrinsic movement ability on space use, based on a time series of telemetry locations. This approach provides insight into the effects of barriers on animal distribution and movement.

  3. Standard Papers

    1. Movement propensity and ability correlate with ecological specialization in European land snails: comparative analysis of a dispersal syndrome

      Maxime Dahirel, Eric Olivier, Annie Guiller, Marie-Claire Martin, Luc Madec and Armelle Ansart

      Article first published online: 20 AUG 2014 | DOI: 10.1111/1365-2656.12276

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      We showed experimentally, by comparing 20 species, that habitat specialization and low mobility, two traits increasing extinction risk, are correlated in slow-moving land snails, making specialist species doubly vulnerable againt current environmental changes.

    2. How detectable is predation in stage-structured populations? Insights from a simulation-testing analysis

      Kiva L. Oken and Timothy E. Essington

      Article first published online: 16 AUG 2014 | DOI: 10.1111/1365-2656.12274

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      An absence of detectable species interactions from biomass time series may be due to interactive effects of environmental variability and complex food web linkages and life histories that are largely size- and age-structured. However, predation is most detectable for systems where predators act on mortality of sub-mature life stages.

    3. Empirical tests of harvest-induced body-size evolution along a geographic gradient in Australian macropods

      Thomas A. A. Prowse, Rachel A. Correll, Christopher N. Johnson, Gavin J. Prideaux and Barry W. Brook

      Article first published online: 13 AUG 2014 | DOI: 10.1111/1365-2656.12273

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      It is often asserted that commercial harvesting of kangaroos and wallabies could be driving the evolutionary dwarfing of these species. In contrast, we demonstrate evidence of small body size increases in these species over time, consistent with reduced mortality due to a depauperate predator guild and human-improved grassland productivity.

    4. Habitat-based polymorphism is common in stream fishes

      Caroline Senay, Daniel Boisclair and Pedro R. Peres-Neto

      Article first published online: 12 AUG 2014 | DOI: 10.1111/1365-2656.12269

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      The authors test whether fish inhabiting different habitats differ in their morphologies despite stream environmental heterogeneity. No previous study has provided a systematic comparison of fish morphology across the three types of habitats for a large number of species inhabiting the same system.

    5. How topography induces reproductive asynchrony and alters gypsy moth invasion dynamics

      Jonathan A. Walter, Marcia S. Meixler, Thomas Mueller, William F. Fagan, Patrick C. Tobin and Kyle J. Haynes

      Article first published online: 4 AUG 2014 | DOI: 10.1111/1365-2656.12272

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      Mismatches in reproductive timing can limit mating opportunities, reducing population growth, but how this changes over environmental gradients is not well understood. Using field data and a model, the authors show that elevation and elevational variability affect the growth of gypsy moth populations via effects on reproductive timing.

  4. Reviews

    1. You have free access to this content
      Relationship between growth and standard metabolic rate: measurement artefacts and implications for habitat use and life-history adaptation in salmonids

      Jordan Rosenfeld, Travis Van Leeuwen, Jeffrey Richards and David Allen

      Article first published online: 4 AUG 2014 | DOI: 10.1111/1365-2656.12260

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      This manuscript clarifies some of the mechanisms that drive variation in metabolic state among individuals or through ontogeny, and highlights how they relate to variation in capacity for growth, and how they may arise from fundamental ecological tradeoffs that influence anatomical design.

  5. Standard Papers

    1. Individual and species-specific traits explain niche size and functional role in spiders as generalist predators

      Dirk Sanders, Esther Vogel and Eva Knop

      Article first published online: 31 JUL 2014 | DOI: 10.1111/1365-2656.12271

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      Here the authors use a stable isotope analysis to measure the functional role of spiders as important generalist predators and link this role to species traits and individual traits.

    2. Territoriality and home-range dynamics in meerkats, Suricata suricatta: a mechanistic modelling approach

      Andrew W. Bateman, Mark A. Lewis, Gabriella Gall, Marta B. Manser and Tim H. Clutton-Brock

      Article first published online: 29 JUL 2014 | DOI: 10.1111/1365-2656.12267

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      The authors employ mechanistic home-range models to describe meerkat space use. They find a surprising lack of group-size effect in territorial patterns of this highly social species, and they extend existing models to capture dynamical aspects of home-range development and shift.

    3. How Ebola impacts social dynamics in gorillas: a multistate modelling approach

      Céline Genton, Amandine Pierre, Romane Cristescu, Florence Lévréro, Sylvain Gatti, Jean-Sébastien Pierre, Nelly Ménard and Pascaline Le Gouar

      Article first published online: 24 JUL 2014 | DOI: 10.1111/1365-2656.12268

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      The authors provide a general framework for studying social dynamics in disturbed contexts and apply it to the case of a gorilla population affected by Ebola.

    4. Climate and the landscape of fear in an African savanna

      Corinna Riginos

      Article first published online: 24 JUL 2014 | DOI: 10.1111/1365-2656.12262

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      While there has been much study of the landscape of fear, this is one of the only experimental studies of this topic for large mammals.

    5. Experimental manipulation of female reproduction demonstrates its fitness costs in kangaroos

      Uriel Gélin, Michelle E. Wilson, Graeme Coulson and Marco Festa-Bianchet

      Article first published online: 22 JUL 2014 | DOI: 10.1111/1365-2656.12266

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      By combining the first experimental manipulation of reproductive effort in wild marsupials with long-term monitoring of multiple populations, the authors quantify the fitness consequences of reproduction.

    6. Species undersampling in tropical bat surveys: effects on emerging biodiversity patterns

      Christoph F. J. Meyer, Ludmilla M. S. Aguiar, Luis F. Aguirre, Julio Baumgarten, Frank M. Clarke, Jean-François Cosson, Sergio Estrada Villegas, Jakob Fahr, Deborah Faria, Neil Furey, Mickaël Henry, Richard K. B. Jenkins, Thomas H. Kunz, M. Cristina MacSwiney González, Isabel Moya, Jean-Marc Pons, Paul A. Racey, Katja Rex, Erica M. Sampaio, Kathryn E. Stoner, Christian C. Voigt, Dietrich von Staden, Christa D. Weise and Elisabeth K. V. Kalko

      Article first published online: 22 JUL 2014 | DOI: 10.1111/1365-2656.12261

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      This study explores inferential bias associated with species undersampling in tropical bat surveys. The authors demonstrate the potential as well as the limitations for reducing survey effort and streamlining sampling protocols, and consequently for increasing cost-effectiveness in tropical bat surveys or monitoring programs. Photo credit: C.F.J. Meyer.

    7. Fitness prospects: effects of age, sex and recruitment age on reproductive value in a long-lived seabird

      He Zhang, Maren Rebke, Peter H. Becker and Sandra Bouwhuis

      Article first published online: 22 JUL 2014 | DOI: 10.1111/1365-2656.12259

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      This paper investigates intraspecific variation in reproductive values due to age, sex and recruitment age in a long-lived seabird. It demonstrates that sex and RA affect underlying fitness traits, but that only age effects on fitness traits translate to variation in reproductive values.

    8. Ecological causes of multilevel covariance between size and first-year survival in a wild bird population

      Sandra Bouwhuis, Oscar Vedder, Colin J. Garroway and Ben C. Sheldon

      Article first published online: 17 JUL 2014 | DOI: 10.1111/1365-2656.12264

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      The paper demonstrates how correlations between traits, fitness and environment influence estimates of selection, and shows how partitioning trait-effects between levels of selection and environmental factors is a promising approach to identify potential agents of selection.

    9. Life-history trade-offs mediate ‘personality’ variation in two colour morphs of the pea aphid, Acyrthosiphon pisum

      Wiebke Schuett, Sasha R. X. Dall, Michaela H. Kloesener, Jana Baeumer, Felix Beinlich and Till Eggers

      Article first published online: 12 JUL 2014 | DOI: 10.1111/1365-2656.12263

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      Here the authors investigate whether life-history trade-offs mediate personality variation in escape responses in different colour morphs of pea aphids. The results show that, under strong trade-offs, organisms who commit to particular lifestyles (being consistent) maximise their fitness.

    10. Ecological generalism and behavioural innovation in birds: technical intelligence or the simple incorporation of new foods?

      Simon Ducatez, Joanne Clavel and Louis Lefebvre

      Article first published online: 9 JUL 2014 | DOI: 10.1111/1365-2656.12255

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      We show that the ecological generalist advantage in front of current environmental change might be related to habitat generalists being better able to incorporate new types of food in their diet. In addition, we show that diet breadth and cognition are associated, suggesting that diet breadth and cognition co-evolved.

    11. A continental scale trophic cascade from wolves through coyotes to foxes

      Thomas M. Newsome and William J. Ripple

      Article first published online: 9 JUL 2014 | DOI: 10.1111/1365-2656.12258

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      We show that the extirpation of wolves throughout North America has caused a continent-wide shift in coyote and red fox densities. To reverse this human induced cascade, wolves may need to occur continuously over large spatial areas. This presents a challenge because wolves are frequently persecuted due to human-wildlife conflicts.

    12. Impacts of breeder loss on social structure, reproduction and population growth in a social canid

      Bridget L. Borg, Scott M. Brainerd, Thomas J. Meier and Laura R. Prugh

      Article first published online: 7 JUL 2014 | DOI: 10.1111/1365-2656.12256

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      This paper quantitatively evaluates how the death of reproductive individuals in socially complex canid species could affect social group cohesion and population growth.

    13. Unravelling the annual cycle in a migratory animal: breeding-season habitat loss drives population declines of monarch butterflies

      D. T. Tyler Flockhart, Jean-Baptiste Pichancourt, D. Ryan Norris and Tara G. Martin

      Article first published online: 25 JUN 2014 | DOI: 10.1111/1365-2656.12253

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      Threats to migratory animals occur at multiple periods of the annual cycle that are separated by thousands of kilometers and span international borders. Using a year-round population model, we show that population declines of monarch butterflies result from loss of breeding habitats in the United States, not from loss of wintering habitats in Mexico.

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