Search Results - "LLOYD, PENN"

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  1. 1

    Potential drivers of differences in breeding phenology as a component of life history strategies among coexisting species by Martin, Thomas E., Lloyd, Penn

    Published in Functional ecology (01-10-2024)
    “…Breeding phenology can have strong demographic consequences. Yet, the reasons why coexisting animal species differ in breeding phenology have received little…”
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    Metabolic rate is negatively linked to adult survival but does not explain latitudinal differences in songbirds by Boyce, Andy J., Mouton, James C., Lloyd, Penn, Wolf, Blair O., Martin, Thomas E., Norris, Ryan

    Published in Ecology letters (01-04-2020)
    “…Survival rates vary dramatically among species and predictably across latitudes, but causes of this variation are unclear. The rate‐of‐living hypothesis posits…”
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  3. 3

    GEOGRAPHIC VARIATION IN AVIAN INCUBATION PERIODS AND PARENTAL INFLUENCES ON EMBRYONIC TEMPERATURE by Martin, Thomas E, Auer, Sonya K, Bassar, Ronald D, Niklison, Alina M, Lloyd, Penn

    Published in Evolution (01-11-2007)
    “…Theory predicts shorter embryonic periods in species with greater embryo mortality risk and smaller body size. Field studies of 80 passerine species on three…”
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  4. 4

    GROWTH RATE VARIATION AMONG PASSERINE SPECIES IN TROPICAL AND TEMPERATE SITES: AN ANTAGONISTIC INTERACTION BETWEEN PARENTAL FOOD PROVISIONING AND NEST PREDATION RISK by Martin, Thomas E., Lloyd, Penn, Bosque, Carlos, Barton, Daniel C., Biancucci, Atilio L., Cheng, Yi-Ru, Ton, Riccardo

    Published in Evolution (01-06-2011)
    “…Causes of interspecific variation in growth rates within and among geographic regions remain poorly understood. Passerine birds represent an intriguing case…”
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    Survival synchronicity in two avian insectivore communities by Jansen, Dorine Y. M., Lloyd, Penn, Oschadleus, Hans-Dieter, Altwegg, Res

    Published in Ibis (London, England) (01-07-2020)
    “…Climate change is forecast to increase climatic variability, in particular the occurrence of extreme events. Consequently, it is imperative to understand how…”
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    A TIGHT BALANCE BETWEEN NATURAL SELECTION AND GENE FLOW IN A SOUTHERN AFRICAN ARID-ZONE ENDEMIC BIRD by Ribeiro, Ângela M., Lloyd, Penn, Bowie, Rauri C. K.

    Published in Evolution (01-12-2011)
    “…Gene flow is traditionally thought to be antagonistic to population differentiation and local adaptation. However, recent studies have demonstrated that local…”
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    The ecological and geographic context of morphological and genetic divergence in an understorey-dwelling bird by Ribeiro, Ângela M, Lloyd, Penn, Dean, W Richard J, Brown, Mark, Bowie, Rauri C K

    Published in PloS one (07-02-2014)
    “…Advances in understanding the process of species formation require an integrated perspective that includes the evaluation of spatial, ecological and genetic…”
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  10. 10

    Linking Demographic Effects of Habitat Fragmentation across Landscapes to Continental Source-Sink Dynamics by Penn Lloyd, Martin, Thomas E., Redmond, Roland L., Langner, Ute, Melissa M. Hart

    Published in Ecological applications (01-10-2005)
    “…Forest fragmentation may cause increased brood parasitism and nest predation of breeding birds. In North America, nest parasitism and predation are expected to…”
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  11. 11

    Comparative life history of the south temperate Cape Penduline Tit (Anthoscopus minutus) and north temperate Remizidae species by Lloyd, Penn, Frauenknecht, Bernhard D., du Plessis, Morné A., Martin, Thomas E.

    Published in Journal of ornithology (01-04-2017)
    “…We studied the breeding biology of the south temperate Cape Penduline Tit ( Anthoscopus minutus ) in order to compare its life history traits with those of…”
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    Sexual conflict predicts morphology and behavior in two species of penduline tits by van Dijk, René E, Pogány, Akos, Komdeur, Jan, Lloyd, Penn, Székely, Tamás

    Published in BMC evolutionary biology (23-04-2010)
    “…The evolutionary interests of males and females rarely coincide (sexual conflict), and these conflicting interests influence morphology, behavior and…”
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  14. 14

    Population Growth Confounds Phylogeographic Inference in Namaqua Sandgrouse by Delport, Wayne, Crowe, Timothy M, Lloyd, Penn, Bloomer, Paulette

    Published in The Journal of heredity (01-03-2007)
    “…The Namaqua sandgrouse, Pterocles namaqua, is a highly nomadic granivore of semiarid to arid habitats. As a result of nomadic movements in response to…”
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  15. 15

    Avian clutch size in relation to rainfall seasonality and stochasticity along an aridity gradient across South Africa by Lepage, Denis, Lloyd, Penn

    Published in Ostrich (01-12-2004)
    “…The question of how aridity might influence avian clutch size, through the influences of rainfall seasonality and environmental stochasticity…”
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    Adult Mortality Probability and Nest Predation Rates Explain Parental Effort in Warming Eggs with Consequences for Embryonic Development Time by Martin, Thomas E., Oteyza, Juan C., Boyce, Andy J., Lloyd, Penn, Ton, Riccardo

    Published in The American naturalist (01-08-2015)
    “…Parental behavior and effort vary extensively among species. Life-history theory suggests that age-specific mortality could cause this interspecific variation,…”
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  18. 18

    Abiotic Factors as Predictors of Distribution in Southern African Bulbuls by LLOYD, P, PALMER, A. R

    Published in The Auk (01-04-1998)
    “…The closely related Black-eyed Bulbul (Pycnonotus barbatus), Red-eyed Bulbul (P. nigricans), and Cape Bulbul (P. capensis) occupy parapatric to locally…”
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    Fledgling survival increases with development time and adult survival across north and south temperate zones by Lloyd, Penn, Martin, Thomas E.

    Published in Ibis (London, England) (2016)
    “…Slow life histories are characterized by high adult survival and few offspring, which are thought to allow increased investment per offspring to increase…”
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    South temperate birds have higher apparent adult survival than tropical birds in Africa by Lloyd, Penn, Abadi, Fitsum, Altwegg, Res, Martin, Thomas E

    Published in Journal of avian biology (01-09-2014)
    “…Life history theory predicts an inverse relationship between annual adult survival and fecundity. Globally, clutch size shows a latitudinal gradient among…”
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