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Author Dukas, R. url  doi
openurl 
  Title Evolutionary Biology Of Animal Cognition Type Journal Article
  Year (up) 2004 Publication Annual Review of Ecology, Evolution, and Systematics Abbreviated Journal  
  Volume 35 Issue 1 Pages 347-374  
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  Abstract This review focuses on five key evolutionary issues pertaining to animal cognition, defined as the neuronal processes concerned with the acquisition, retention, and use of information. Whereas the use of information, or decision making, has been relatively well examined by students of behavior, evolutionary aspects of other cognitive traits that affect behavior, including perception, learning, memory, and attention, are less well understood. First, there is ample evidence for genetically based individual variation in cognitive traits, although much of the information for some traits comes from humans. Second, several studies documented positive association between cognitive abilities and performance measures linked to fitness. Third, information on the evolution of cognitive traits is available primarily for color vision and decision making. Fourth, much of the data on plasticity of cognitive traits appears to reflect nonadaptive phenotypic plasticity, perhaps because few evolutionary analyses of cognitive plasticity have been carried out. Nonetheless, several studies suggest that cognitive traits show adaptive plasticity, and at least one study documented genetically based individual variation in plasticity. Fifth, whereas assertions that cognition has played a central role in animal evolution are not supported by currently available data, theoretical considerations indicate that cognition may either increase or decrease the rate of evolutionary change.  
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  Call Number Equine Behaviour @ team @ Serial 2970  
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Author Lefebvre, L.; Reader, S.M.; Sol, D. doi  openurl
  Title Brains, Innovations and Evolution in Birds and Primates Type Journal Article
  Year (up) 2004 Publication Brain, Behavior and Evolution Abbreviated Journal Brain. Behav. Evol.  
  Volume 63 Issue 4 Pages 233-246  
  Keywords Innovation W Brain evolution W Hyperstriatum ventrale W Neostriatum W Isocortex W Birds W Primates W Tool use W Invasion biology  
  Abstract Abstract

Several comparative research programs have focusedon the cognitive, life history and ecological traits thataccount for variation in brain size. We review one ofthese programs, a program that uses the reported frequencyof behavioral innovation as an operational measureof cognition. In both birds and primates, innovationrate is positively correlated with the relative size of associationareas in the brain, the hyperstriatum ventrale andneostriatum in birds and the isocortex and striatum inprimates. Innovation rate is also positively correlatedwith the taxonomic distribution of tool use, as well asinterspecific differences in learning. Some features ofcognition have thus evolved in a remarkably similar wayin primates and at least six phyletically-independent avianlineages. In birds, innovation rate is associated withthe ability of species to deal with seasonal changes in theenvironment and to establish themselves in new regions,and it also appears to be related to the rate atwhich lineages diversify. Innovation rate provides a usefultool to quantify inter-taxon differences in cognitionand to test classic hypotheses regarding the evolution ofthe brain.
 
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  ISSN 0006-8977 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4738  
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Author List, C. url  doi
openurl 
  Title Democracy in animal groups: a political science perspective Type Journal Article
  Year (up) 2004 Publication Trends in Ecology & Evolution (Personal Edition) Abbreviated Journal Trends Ecol Evol  
  Volume 19 Issue 4 Pages 168-169  
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  ISSN 0169-5347 ISBN Medium  
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  Notes PMID:16701250 Approved no  
  Call Number Equine Behaviour @ team @ Serial 5137  
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Author Dall, S.R.X.; Giraldeau, L.-A.; Olsson, O.; McNamara, J.M.; Stephens, D.W. doi  openurl
  Title Information and its use by animals in evolutionary ecology Type Journal Article
  Year (up) 2005 Publication Trends in Ecology & Evolution (Personal Edition) Abbreviated Journal Trends Ecol Evol  
  Volume 20 Issue 4 Pages 187-193  
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  Abstract Information is a crucial currency for animals from both a behavioural and evolutionary perspective. Adaptive behaviour relies upon accurate estimation of relevant ecological parameters; the better informed an individual, the better it can develop and adjust its behaviour to meet the demands of a variable world. Here, we focus on the burgeoning interest in the impact of ecological uncertainty on adaptation, and the means by which it can be reduced by gathering information, from both 'passive' and 'responsive' sources. Our overview demonstrates the value of adopting an explicitly informational approach, and highlights the components that one needs to develop useful approaches to studying information use by animals. We propose a quantitative framework, based on statistical decision theory, for analysing animal information use in evolutionary ecology. Our purpose is to promote an integrative approach to studying information use by animals, which is itself integral to adaptive animal behaviour and organismal biology.  
  Address Centre for Ecology and Conservation, University of Exeter in Cornwall, Tremough Campus, Penryn, UK, TR10 9EZ. sashadall@iname.com  
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  Notes PMID:16701367 Approved no  
  Call Number Serial 2128  
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Author Conradt, L.; Roper, T.J. url  doi
openurl 
  Title Consensus decision making in animals Type Journal Article
  Year (up) 2005 Publication Trends in Ecology & Evolution (Personal Edition) Abbreviated Journal Trends Ecol Evol  
  Volume 20 Issue 8 Pages 449-456  
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  Abstract Individual animals routinely face decisions that are crucial to their fitness. In social species, however, many of these decisions need to be made jointly with other group members because the group will split apart unless a consensus is reached. Here, we review empirical and theoretical studies of consensus decision making, and place them in a coherent framework. In particular, we classify consensus decisions according to the degree to which they involve conflict of interest between group members, and whether they involve either local or global communication; we ask, for different categories of consensus decision, who makes the decision, what are the underlying mechanisms, and what are the functional consequences. We conclude that consensus decision making is common in non-human animals, and that cooperation between group members in the decision-making process is likely to be the norm, even when the decision involves significant conflict of interest.  
  Address Department of Biology and Environmental Science, John Maynard Smith Building, University of Sussex, Brighton, UK, BN1 9QG. L.Conradt@sussex.ac.uk  
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  Notes PMID:16701416 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4802  
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Author Parrish, J. K.; Viscido, S. V. openurl 
  Title Traffic rules of fish schools: A review of agent-based approaches. Type Book Chapter
  Year (up) 2005 Publication Self-organisation and the evolution of social behaviour. Abbreviated Journal  
  Volume Issue Pages 50-80  
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  Publisher Cambridge University Press Place of Publication Cambridge Editor C. K. Hemelrijk  
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  Call Number Equine Behaviour @ team @ Serial 5419  
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Author Ratcliffe, J.M.; Fenton, M.B.; Shettleworth, S.J. doi  openurl
  Title Behavioral flexibility positively correlated with relative brain volume in predatory bats Type Journal Article
  Year (up) 2006 Publication Brain, behavior and evolution Abbreviated Journal Brain Behav Evol  
  Volume 67 Issue 3 Pages 165-176  
  Keywords Adaptation, Psychological; Animals; Behavior, Animal/*physiology; Brain/*anatomy & histology/physiology; Chiroptera/*anatomy & histology/*physiology; Organ Size; Predatory Behavior/*physiology  
  Abstract We investigated the potential relationships between foraging strategies and relative brain and brain region volumes in predatory (animal-eating) echolocating bats. The species we considered represent the ancestral state for the order and approximately 70% of living bat species. The two dominant foraging strategies used by echolocating predatory bats are substrate-gleaning (taking prey from surfaces) and aerial hawking (taking airborne prey). We used species-specific behavioral, morphological, and ecological data to classify each of 59 predatory species as one of the following: (1) ground gleaning, (2) behaviorally flexible (i.e., known to both glean and hawk prey), (3) clutter tolerant aerial hawking, or (4) open-space aerial hawking. In analyses using both species level data and phylogenetically independent contrasts, relative brain size was larger in behaviorally flexible species. Further, relative neocortex volume was significantly reduced in bats that aerially hawk prey primarily in open spaces. Conversely, our foraging behavior index did not account for variability in hippocampus and inferior colliculus volume and we discuss these results in the context of past research.  
  Address Department of Zoology, University of Toronto, Toronto, Canada. jmr247@cornell.edu  
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  ISSN 0006-8977 ISBN Medium  
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  Notes PMID:16415571 Approved no  
  Call Number refbase @ user @ Serial 358  
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Author Purvis, A. url  doi
openurl 
  Title The h index: playing the numbers game Type Journal Article
  Year (up) 2006 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol  
  Volume 21 Issue 8 Pages 422-422  
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  Abstract Article Outline

References

The ‘h index’ was developed recently as a measure of research performance [1]: a researcher's h is the number of his or her papers that have been cited at least h times. In their thoughtful critique of the index, Kelly and Jennions [2] point out many ways in which h is no better than ‘traditional’ bibliometrics, such as total citation counts. However, there is one way in which, for researchers, it could be very much better, especially if (as Hirsch suggests [1]) it is to inform hiring and promotion decisions. The skewed nature of the distribution of citations among publications means that most researchers have several papers that nearly but not quite count. Consequently, h can be distorted much more easily than can total citation count just by finding a subtle way to cite one's own papers that are ‘bubbling under’. Incidentally, bats show broadly the same life-history allometries as other mammalian clades [3].
 
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  Call Number Equine Behaviour @ team @ Serial 5046  
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Author Rankin, D.J.; Lopez-Sepulcre, A.; Foster, K.R.; Kokko, H. url  doi
openurl 
  Title Species-level selection reduces selfishness through competitive exclusion Type Journal Article
  Year (up) 2007 Publication Journal of Evolutionary Biology Abbreviated Journal  
  Volume 20 Issue 4 Pages 1459-1468  
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  Abstract Abstract Adaptation does not necessarily lead to traits which are optimal for the population. This is because selection is often the strongest at the individual or gene level. The evolution of selfishness can lead to a .tragedy of the commons., where traits such as aggression or social cheating reduce population size and may lead to extinction. This suggests that species-level selection will result whenever species differ in the incentive to be selfish. We explore this idea in a simple model that combines individual-level selection with ecology in two interacting species. Our model is not influenced by kin or trait-group selection. We find that individual selection in combination with competitive exclusion greatly increases the likelihood that selfish species go extinct. A simple example of this would be a vertebrate species that invests heavily into squabbles over breeding sites, which is then excluded by a species that invests more into direct reproduction. A multispecies simulation shows that these extinctions result in communities containing species that are much less selfish. Our results suggest that species-level selection and community dynamics play an important role in regulating the intensity of conflicts in natural populations.  
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  Call Number Equine Behaviour @ team @ Serial 4225  
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Author Tibbetts, E.A.; Dale, J. url  doi
openurl 
  Title Individual recognition: it is good to be different Type Journal Article
  Year (up) 2007 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol  
  Volume 22 Issue 10 Pages 529-537  
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  Abstract Individual recognition (IR) behavior has been widely studied, uncovering spectacular recognition abilities across a range of taxa and modalities. Most studies of IR focus on the recognizer (receiver). These studies typically explore whether a species is capable of IR, the cues that are used for recognition and the specializations that receivers use to facilitate recognition. However, relatively little research has explored the other half of the communication equation: the individual being recognized (signaler). Provided there is a benefit to being accurately identified, signalers are expected to actively broadcast their identity with distinctive cues. Considering the prevalence of IR, there are probably widespread benefits associated with distinctiveness. As a result, selection for traits that reveal individual identity might represent an important and underappreciated selective force contributing to the evolution and maintenance of genetic polymorphisms.  
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  Call Number Equine Behaviour @ team @ Serial 4572  
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