Nest predation predicts infanticide in a cooperatively breeding bird.

abstract：:Information on migration patterns is critical to using no-take migratory corridors and marine reserves to protect the spawning stock of commercially exploited species. Both active and passive acoustic tracking methods quantified movement of commercially and ecologically important blue crabs in the White Oak River estu...

journal_title：Biology letters

authors： Eggleston DB,Millstein E,Plaia G

更新日期：2015-05-01 00:00:00

abstract：:Domesticated animals have been shown to recognize basic phonemic information from human speech sounds and to recognize familiar speakers from their voices. However, whether animals can spontaneously identify words across unfamiliar speakers (speaker normalization) or spontaneously discriminate between unfamiliar speak...

journal_title：Biology letters

authors： Root-Gutteridge H,Ratcliffe VF,Korzeniowska AT,Reby D

更新日期：2019-12-24 00:00:00

abstract：:Anthropogenic salinization of rivers is an emerging issue of global concern, with significant adverse effects on biodiversity and ecosystem functioning. Impacts of freshwater salinization on biota are strongly mediated by evolutionary history, as this is a major factor determining species physiological salinity tolera...

journal_title：Biology letters

authors： Kefford BJ,Buchwalter D,Cañedo-Argüelles M,Davis J,Duncan RP,Hoffmann A,Thompson R

更新日期：2016-03-01 00:00:00

abstract：:A recent study showed that a critically endangered migratory predator species, the Balearic shearwater Puffinus mauretanicus, rapidly expanded northwards in northeast Atlantic waters after the mid-1990s. As a significant positive correlation was found between the long-term changes in the abundance of this seabird and ...

journal_title：Biology letters

authors： Luczak C,Beaugrand G,Jaffré M,Lenoir S

更新日期：2011-10-23 00:00:00

abstract：:The somasteroids are Lower Palaeozoic star-shaped animals widely regarded as ancestors of Asterozoa, the group of echinoderms that includes brittle stars and starfish. However, the origin of asterozoans, the assembly of their distinctive body organization, and their relationships with other Cambrian and Ordovician ech...

journal_title：Biology letters

authors： Hunter AW,Ortega-Hernández J

更新日期：2021-01-01 00:00:00

abstract：:Studies of animal populations suggest that low genetic heterozygosity is an important risk factor for infection by a diverse range of pathogens, but relatively little research has looked to see whether similar patterns exist in humans. We have used microsatellite genome screen data for tuberculosis (TB), hepatitis and...

journal_title：Biology letters

authors： Lyons EJ,Frodsham AJ,Zhang L,Hill AV,Amos W

更新日期：2009-08-23 00:00:00

abstract：:During the last half million years, pulses of gigantism in the anagenetic lineage of land snails of the subgenus Poecilozonites on Bermuda were correlated with glacial periods when lower sea level resulted in an island nearly an order of magnitude larger than at present. During those periods, the island was colonized ...

journal_title：Biology letters

authors： Olson SL,Hearty PJ

更新日期：2010-12-23 00:00:00

abstract：:The Halecomorphi are a major subdivision of the ray-finned fishes. Although living halecomorphs are represented solely by the freshwater bowfin, Amia calva, this clade has a rich fossil history, and the resolution of interrelationships among extinct members is central to the problem of understanding the origin of the ...

journal_title：Biology letters

authors： Xu GH,Zhao LJ,Coates MI

更新日期：2014-05-01 00:00:00

abstract：:Males of many vertebrate species aggressively defend their reproductive interests by monopolizing females, and the 'challenge hypothesis' predicts that testosterone levels in reproductive contexts rise to facilitate males' competitive behaviours necessary for meeting social challenges. The hypothesis is successful in ...

journal_title：Biology letters

authors： Klose SM,Welbergen JA,Kalko EK

更新日期：2009-12-23 00:00:00

abstract：:Various vertebrate species use relative numerosity judgements in comparative assessments of quantities for which they use larger/smaller relationships rather than absolute number. The numerical ability of honeybees shares basic properties with that of vertebrates but their use of absolute or relative numerosity has no...

journal_title：Biology letters

authors： Bortot M,Agrillo C,Avarguès-Weber A,Bisazza A,Miletto Petrazzini ME,Giurfa M

更新日期：2019-06-28 00:00:00

abstract：:On the steep surfaces that are common in arboreal environments, many types of animals without claws or adhesive structures must use muscular force to generate sufficient normal force to prevent slipping and climb successfully. Unlike many limbed arboreal animals that have discrete gripping regions on the feet, the elo...

journal_title：Biology letters

authors： Byrnes G,Jayne BC

更新日期：2014-08-01 00:00:00

abstract：:In sexually cannibalistic animals, male fitness is influenced not only by successful mate acquisition and egg fertilization, but also by avoiding being eaten. In the cannibalistic nursery web spider, Pisaurina mira, the legs of mature males are longer in relation to their body size than those of females, and males use...

journal_title：Biology letters

authors： Anderson AG,Hebets EA

更新日期：2016-02-01 00:00:00

abstract：:Marsupial frogs have a unique reproductive mode in which females carry eggs enclosed in a sealed dorsal brood pouch. While most anurans are considered to be oviparous with lecithotrophic eggs, the extensively vascularized membrane of the brood pouch in marsupial frogs suggests potential opportunities for nutrient tran...

journal_title：Biology letters

authors： Warne RW,Catenazzi A

更新日期：2016-10-01 00:00:00

abstract：:Evidence of altered primary sex ratios in birds shows that mothers can manipulate the sex of their offspring before oviposition. In birds, females are the heterogametic sex (ZW) and males are homogametic (ZZ). Sex is determined in the first meiotic division, when one sex chromosome is retained in the oocyte and the ot...

journal_title：Biology letters

authors： Correa SM,Adkins-Regan E,Johnson PA

更新日期：2005-06-22 00:00:00

abstract：:In otherwise mutualistic relationships between aphids and ants, attendance by ants often has negative impacts on aphids. For example, in a previous study using traps in the field, the aphid Tuberculatus quercicola, which exhibits mutualistic interactions with ants, showed extremely low dispersal rates, despite having ...

journal_title：Biology letters

authors： Yao I

更新日期：2012-08-23 00:00:00

abstract：:Ecosystem dynamics are driven by both biotic and abiotic processes, and perturbations can push ecosystems into novel dynamical regimes. Plant-plant, plant-soil and mycorrhizal associations all affect plant ecosystem dynamics; however, the direction and magnitude of these effects vary by context and their contribution ...

journal_title：Biology letters

authors： Bonsall MB,Froyd CA,Jeffers ES

更新日期：2020-01-01 00:00:00

abstract：:The sex ratio of the local population influences mating-related behaviours in many species. Recent experiments show that male-biased sex ratios increase the amount of financial resources men will invest in potential mates, suggesting that sex ratios influence allocation of mating effort in humans. To investigate this ...

journal_title：Biology letters

authors： Hahn AC,Fisher CI,DeBruine LM,Jones BC

更新日期：2014-06-01 00:00:00

abstract：:Populations facing novel environments are expected to evolve through the accumulation of adaptive substitutions. The dynamics of adaptation depend on the fitness landscape and possibly on the genetic background on which new mutations arise. Here, we model the dynamics of adaptive evolution at the phenotypic and genoty...

journal_title：Biology letters

authors： Gordo I,Campos PR

更新日期：2013-02-23 00:00:00

abstract：:Many species exhibit prosocial behaviour, in which one individual's actions benefit another individual, often without an immediate benefit to itself. The neuropeptide oxytocin is an important hormonal mechanism influencing prosociality in mammals, but it is unclear whether the avian homologue mesotocin plays a similar...

journal_title：Biology letters

authors： Duque JF,Leichner W,Ahmann H,Stevens JR

更新日期：2018-04-01 00:00:00

abstract：:The mid-domain effect (MDE), a bias in species richness towards the midpoint of a given geographical dimension, has been used as a null model in macro-ecological studies. Departures from a MDE are often thought of as interesting. The MDE is a product of the interaction between geometric boundaries and range locations,...

journal_title：Biology letters

authors： Davies TJ,Grenyer R,Gittleman JL

更新日期：2005-06-22 00:00:00

abstract：:Recent studies have emphasized the ability to reconstruct genome sizes (C-values) of extinct organisms such as dinosaurs, using correlations between known genome sizes and bone cell (osteocyte lacunae) volumes. Because of the established positive relationship between cell size and genome size in extant vertebrates, os...

journal_title：Biology letters

authors： Montanari S,Brusatte SL,De Wolf W,Norell MA

更新日期：2011-10-23 00:00:00

abstract：:Postzygotic isolation may be important for maintaining species boundaries, particularly when premating barriers are incomplete. Little is known about the course of events leading from minor environmental mismatches affecting hybrid fitness to severe genetic incompatibilities causing sterility or inviability. We invest...

journal_title：Biology letters

authors： Alund M,Immler S,Rice AM,Qvarnström A

更新日期：2013-04-10 00:00:00

abstract：:In April 2006, a dedicated survey of bowhead whales (Balaena mysticetus) was conducted on the former whaling ground in West Greenland to determine the current wintering population abundance. This effort included a double platform aerial survey design, satellite tracking of the movements of nine whales, and estimation ...

journal_title：Biology letters

authors： Heide-Jørgensen MP,Laidre K,Borchers D,Samarra F,Stern H

更新日期：2007-10-22 00:00:00

abstract：:Lateralization of the brain has traditionally been considered a specialization that is confined to the vertebrates, but recent studies have revealed that a range of invertebrates also have a brain that is structurally asymmetric and/or each side performs a different set of functions. Here, we show that the precopulato...

journal_title：Biology letters

authors： Davison A,Frend HT,Moray C,Wheatley H,Searle LJ,Eichhorn MP

更新日期：2009-02-23 00:00:00

abstract：:Long-distance migrants are particularly recognized for the distances covered on migration, yet little is known about the distances they cover during the rest of the year. GPS-tracks of 29 Montagu's harriers from breeding areas in France, The Netherlands and Denmark showed that harriers fly between 35 653 and 88 049 km...

journal_title：Biology letters

authors： Schlaich AE,Bouten W,Bretagnolle V,Heldbjerg H,Klaassen RHG,Sørensen IH,Villers A,Both C

更新日期：2017-06-01 00:00:00

abstract：:There is strong evidence for teaching in only a handful of species, most of which are cooperative breeders, leading some researchers to suggest that teaching may be more likely to evolve in such species. Alternatively, this initial distribution could be an artefact of the popularity and tractability of cooperative bre...

journal_title：Biology letters

authors： Howard M,Hoppitt W

更新日期：2017-08-01 00:00:00

abstract：:Human-induced environmental change can affect the evolutionary trajectory of populations. In Mexico, indigenous Zoque people annually introduce barbasco, a fish toxicant, into the Cueva del Azufre to harvest fish during a religious ceremony. Here, we investigated tolerance to barbasco in fish from sites exposed and un...

journal_title：Biology letters

authors： Tobler M,Culumber ZW,Plath M,Winemiller KO,Rosenthal GG

更新日期：2011-04-23 00:00:00

abstract：:Species response to environmental change may vary from adaptation to the new conditions, to dispersal towards territories with better ecological settings (known as habitat tracking), and to extinction. A phylogenetically explicit analysis of habitat tracking in Caenozoic large mammals shows that species moving over lo...

journal_title：Biology letters

authors： Raia P,Passaro F,Fulgione D,Carotenuto F

更新日期：2012-02-23 00:00:00

abstract：:Increased investment in immunity is expected to be beneficial under crowded conditions because of the greater risk of pathogen and parasite transmission, but the evolution of this facultative response relies on the ability to accurately assess social cues in the environment and adjust immune defences accordingly. Beca...

journal_title：Biology letters

authors： Bailey NW,Gray B,Zuk M

更新日期：2011-04-23 00:00:00

abstract：:Parasites play pivotal roles in structuring communities, often via indirect interactions with non-host species. These effects can be density-mediated (through mortality) or trait-mediated (behavioural, physiological and developmental), and may be crucial to population interactions, including biological invasions. For ...

journal_title：Biology letters

authors： Hatcher MJ,Dick JT,Dunn AM

更新日期：2014-01-15 00:00:00