I. Hamilton

Publications81
h-index24
Citations1,895
Highly Influential Citations107
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Patterns of daily torpor and day-roost selection by male and female big brown bats (Eptesicus fuscus)
Daily torpor can provide significant energy savings, but in bats may reduce rates of fetal and juvenile development and spermatogenesis. We examined the use of torpor during the day by male and… Expand
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Strategic growth decisions in helper cichlids
Recently, it has been shown that group–living subordinate clownfish Amphiprion percula increase their growth rate after acquiring the dominant breeder male position in the group. Evidence was found… Expand
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Evolutionary causes and consequences of consistent individual variation in cooperative behaviour
Behaviour is typically regarded as among the most flexible of animal phenotypic traits. In particular, expression of cooperative behaviour is often assumed to be conditional upon the behaviours of… Expand
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Size differences within a dominance hierarchy influence conflict and help in a cooperatively breeding cichlid
In size-structured groups, conflict over rank, resources or access to breeding opportunities is expected to be greatest among individuals that are similar in size. We tested this general prediction… Expand
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Open Access, Open Systems: Pastoral Management of Common-Pool Resources in the Chad Basin
The discussion about the impact of pastoralists on ecosystems has been profoundly shaped by Hardin’s tragedy of the commons that held pastoralists responsible for overgrazing the range. Research has… Expand
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Disease control through fertility control: Secondary benefits of animal birth control in Indian street dogs.
We sought to (1) survey sexually intact street dogs for a wide range of diseases in three cities in Rajasthan, India and (2) evaluate links between the health of non-treated dogs and both the… Expand
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The relationship between social status, behaviour, growth and steroids in male helpers and breeders of a cooperatively breeding cichlid
We tested whether subordinate helper males of the Lake Tanganyika cooperatively breeding cichlid Neolamprologus pulcher show elevated excretion levels of the stress hormone cortisol and reduced… Expand
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Validation of a randomization procedure to assess animal habitat preferences: microhabitat use of tiger sharks in a seagrass ecosystem.
1. Tiger sharks Galeocerdo cuvier are important predators in a variety of nearshore communities, including the seagrass ecosystem of Shark Bay, Western Australia. Because tiger sharks are known to… Expand
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The effects of temporal variation in predation risk on anti-predator behaviour: an empirical test using marine snails
Foraging animals must often balance the conflicting demands of finding food and avoiding predators. Temporal variation in predation risk is expected to influence how animals allocate time to these… Expand
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Mobile Pastoralists in the Logone Floodplain Distribute Themselves in an Ideal Free Distribution
We examined whether mobile pastoralists in the Logone floodplain of Cameroon distribute themselves according to the ideal free distribution (IFD), which predicts that the number of individuals in… Expand
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