predation risk
Early swimming activity by hatchling flatback sea turtles (Natator depressus): a test of the “predation risk” hypothesis
... ‘predation risk’ ...that predation played an important role in shaping the evolution of hatchling migratory behavior, although they do not provide direct evi- dence of a cause and effect ...
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Females in Control: Female Sensitivity to Predation Risk Affects Courtship and Reproductive Behaviours
... to predation risk can change courtship dynamics and hold consequences for their ...to predation risk itself, there were also no changes in the number of ...
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Behavioural adjustment in response to increased predation risk : a study in three duck species
... decrease predation risk by improving escape performances: low wing loading increases take-off angle as well as speed and aerial manoeuvrability ...to predation risk, individual vigilance ...
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Tactics to Stay Alive: Predation Risk Alters Body Condition and Escape Behaviour
... to predation risk that can increase their chance of ...to predation risk at an early age can have fitness benefits later in ...high predation risk may also bestow physiological ...
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The trade off between starvation and predation risk in overwintering redshanks (Tringa totanus)
... avoid predation if they are to survive and breed; however individuals also need to feed to avoid ...minimising predation risk (Brown and Kotler 2004 and Lima and Dill ...
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Nest predation risk modifies nestlings’ immune function depending on the level of threat
... nest predation risk by creating four experimental groups in which we manipulated the acoustic calls perceived by blackbird nestlings: predator calls group (PC), adult alarm calls group (AC), distress calls ...
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A multi stage anti predator response increases information on predation risk
... reduce risk but also to increase the quality of information with regards to the actual ...improving risk assessment helps prey optimise the balance between predation risk and escape ...
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Understanding predation risk in fisheries : octopus depredation in the southern rock lobster (Jasus edwardsii) fishery in Australia
... under predation risk by lobsters is hypothesized to reflect a reduction in lobster activity ...experiencing predation attempts from octopus (‘tail-flipping’, Buscaino et ...the risk of octopus ...
179
Faecal sac removal and parental coordination in relation to parental predation risk in the blue tit (Cyanistes caeruleus)
... ‘the predation risk hypothesis’, which predicts that parents will reduce investment in faecal sac removal as parental predation risk ...
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Assessing predation risk to threatened fauna from their prevalence in predator scats: dingoes and rodents in arid Australia
... Plains mice distribution has largely contracted to central South Australia (Fig. 2) where dingoes (and probably foxes as well) have been most heavily subjected to lethal control (Fig. 2; but see [38] for details), and ...
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Seasonal increase of nest height of the Silver-throated Tit (Aegithalos glaucogularis): can it reduce predation risk?
... nest predation rates (Holway 1991; Martin 1993; Arriero et ...when predation risk was high in both Dusk Warbler (Phylloscopus fuscatus) (Forstmeier and Weiss 2004) and Siberian Jay (Perisoreus ...
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Size matters: predation risk and juvenile growth in North Island brown kiwi (Apteryx mantelli)
... Data from all months, years, and parts of the Waikaremoana catchment were pooled and used in the analyses. Nineteen chicks that were raised entirely in captivity then released at Waikaremoana were excluded from the ...
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Spatial patterning of prey at reproduction to reduce predation risk: what drives dispersion from groups?
... Predator-prey interactions can be important drivers in the evolution of social behaviour in organisms (Hamilton 1971; Alexander 1974). One outcome of such interactions is the adaptation of sociality, or group-living, a ...
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Flexible information sampling in vibrational assessment of predation risk by red eyed treefrog embryos
... if risk increases steeply with sampling time prior to ...more risk, although temporal properties of vibrations appear more robust to degradation than frequency properties and more important in intraspecific ...
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The Lasting Effects of Perceived Predation Risk on the Avian Brain and Behaviour
... perceived predation risk provides an advantage over other stressors used in animal models of PTSD, such as foot shock, because it allows researcher to manipulate a life threatening traumatic event without ...
155
Predation Risk Influences Evolution of Sexually Selected Traits in Bahamian Mosquitofish.
... Reduced predation risk often drasti- cally alters the mating environment by selecting for longer copulation, more courtship, less sexual coercion and con- flict, and possibly reduced postmating sexual ...
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Trade-offs between feeding competition and predation risk in baboons
... higher risk of predation from hawks at the edge of their flocks (Kenward ...in predation risk ...while predation risk and foraging efficiency do interact, simplistic predictions ...
233
The evolution of body fatness: trading off disease and predation risk
... of predation risk to very low levels would have removed the selective pressure maintaining the upper intervention point at a low level (Speakman, 2004, 2007a,b, ...work predation must be reduced to ...
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Higher predation risk for insect prey at low latitudes and elevations
... between predation risk, latitude, and elevation, and to partition local variation among sampling plots within sites from variation among sites at different ...in predation risk with a change ...
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A reassessment of the predation risk allocation hypothesis : a comment on Lima and Bednekoff
... The predation risk allocation hypothesis was proposed more than 10 years ago to explain the allocation of an- tipredator effort to situations when predation risk or dan- ger varies temporally ...
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