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Title of Journal: Behav Ecol Sociobiol

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Abbravation: Behavioral Ecology and Sociobiology

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Springer-Verlag

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DOI

10.1006/taap.1996.8024

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1432-0762

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Ecological and hormonal correlates of antipredator

Authors: Jill M Mateo
Publish Date: 2007/06/20
Volume: 62, Issue: 1, Pages: 37-49
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Abstract

Predator–prey relationships provide an excellent opportunity to study coevolved adaptations Decades of theoretical and empirical research have illuminated the various behavioral adaptations exhibited by prey animals to avoid detection and capture and recent work has begun to characterize physiological adaptations such as immune reactions metabolic changes and hormonal responses to predators or their cues A 2year study quantified the activity budgets and antipredator responses of adult Belding’s ground squirrels Spermophilus beldingi living in three different California habitats and likely experiencing different predation pressures At one of these sites which is visually closed and predators and escape burrows are difficult to see animals responding to alarm calls remain alert longer and show more exaggerated responses than adults living in two populations that likely experience less intense predation pressure They also spend more time alert and less time foraging than adults at the other two sites A 4year study using noninvasive fecal sampling of cortisol metabolites revealed that S beldingi living in the closed site also have lower corticoid levels than adults at the other two sites The lower corticoids likely reflect that predation risk at this closed site is predictable and might allow animals to mount large acute cortisol responses facilitating escape from predators and enhanced vigilance while also promoting glucose storage for the approaching hibernation Collectively these data demonstrate that local environments and perceived predation risk influence not only foraging vigilance and antipredator behaviors but adrenal functioning as well which may be especially important for obligate hibernators that face competing demands on glucose storage and mobilizationI thank Melanie Brooks Jared Bruck Jason Bruck Matthew Heintz Anne Janas Becca Kordas Ella Malamud Meredith Nelson Kara Nuss Caroline Pitt and Wendy Tidhar for assistance in the field Jocelyn Bryant for conducting the hormone assays and Sonia Cavigelli Warren Holmes Nancy Peters and anonymous reviewers for critical readings of the manuscript I also thank Dan Leger for providing some of the S beldingi alarmcall recordings used here These studies were approved by Cornell University 4/20/00 0032 the University of Chicago 11/26/02 71255 and University of California at Santa Barbara 3/30/00 400532 503532 and adhere to standards set forth by the US NIH for animal research This work was supported by the NIMH


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  2. Honeybees use a Lévy flight search strategy and odour-mediated anemotaxis to relocate food sources
  3. Evolution of the fast start response in the cavefish Astyanax mexicanus
  4. Female oxidative status, egg antioxidant protection and eggshell pigmentation: a supplemental feeding experiment in great tits
  5. Secondary sex ratios do not support maternal manipulation: extensive data from laboratory colonies of spiny mice (Muridae: Acomys )
  6. Wildlife contact analysis: emerging methods, questions, and challenges
  7. Prior experience with eggs laid by non-nestmate queens induces egg acceptance errors in ant workers
  8. Male spottail darters ( Etheostoma squamiceps ) do not use chemical or positional cues to discriminate between sired and foster eggs
  9. Parentally biased favouritism in relation to offspring sex in zebra finches
  10. Feeding and aggressive behaviours in juvenile coho salmon ( Oncorhynchus kisutch ) under chemically-mediated risk of predation
  11. Experimentally elevated plasma levels of testosterone do not increase male reproductive success in blue tits
  12. Strategic exploitation in a socially parasitic bee: a benefit in waiting?
  13. Underwater and above-water search patterns of an Arctic seabird: reduced searching at small spatiotemporal scales
  14. Reproductive trade-offs from mating with a successful male: the case of the tephritid fly Anastrepha obliqua
  15. Heavier birds react faster to predators: individual differences in the detection of stalking and ambush predators
  16. Bright moonlight triggers natal dispersal departures
  17. Does leadership indicate male quality in Neoconocephalus katydids?
  18. Sexual selection favours small and symmetric males in the polygynous greater sac-winged bat Saccopteryx bilineata (Emballonuridae, Chiroptera)
  19. Condition dependence of male display coloration in a jumping spider ( Habronattus pyrrithrix )
  20. Chemical mimicry in an incipient leaf-cutting ant social parasite
  21. Queen acceptance and the complexity of nestmate discrimination in the Argentine ant
  22. Exaggerated orientation scatter of nocturnal passerine migrants close to breeding grounds: comparisons between seasons and latitudes
  23. Love bites: male fang use during coercive mating in wolf spiders
  24. Complex call in male rock hyrax ( Procavia capensis ): a multi-information distributing channel
  25. Sex differences in the movement patterns of free-ranging chimpanzees ( Pan troglodytes schweinfurthii ): foraging and border checking
  26. Sperm competition and evidence of sperm fertilization patterns in the carrion ball-roller beetle Canthon cyanellus cyanellus LeConte (Scarabaeidae: Scarabaeinae)
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  28. Variable flight distance to resources results in changing sex allocation decisions, Megachile rotundata
  29. Hunted hunters? Effect of group size on predation risk and growth in the Australian subsocial crab spider Diaea ergandros
  30. Olfactory eavesdropping between two competing stingless bee species
  31. Sympatric species of threespine stickleback differ in their performance in a spatial learning task
  32. Differing rates of extra-group paternity between two populations of the Australian magpie ( Gymnorhina tibicen )
  33. Sexual dimorphism and the mating ecology of polar bears ( Ursus maritimus ) at Svalbard
  34. The meat-scrap hypothesis: small quantities of meat may promote cooperative hunting in wild chimpanzees ( Pan troglodytes )
  35. Preference for male traits in female wolf spiders varies with the choice of available males, female age and reproductive state
  36. Weighting waiting in collective decision-making
  37. A field test of the Hamilton–Zuk hypothesis in the Trinidadian guppy ( Poecilia reticulata )
  38. Female philopatry and its social benefits among Bornean orangutans
  39. Older can be better: physiological costs of paternal investment in the Florida scrub-jay
  40. The behavioural consequences of translocation: how do invasive cane toads ( Rhinella marina ) respond to transport and release to novel environments?
  41. Aggressive thresholds in Dendropsophus ebraccatus : habituation and sensitization to different call types
  42. A good day to die: bridging the gap between costs and benefits of parental care
  43. Do male plumage and song characteristics influence female off-territory forays and paternity in the hooded warbler?
  44. Network structure and prevalence of Cryptosporidium in Belding’s ground squirrels
  45. Guppies as heterospecific facilitators: a precursor of exploratory behavior?

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