Two conflicting needs affecting predator mobbing by great tits, Parus major

Zimmermann, Uwe; Curio, Eberhard

doi:10.1016/s0003-3472(88)80175-1

Cited by 18 publications

(17 citation statements)

References 22 publications

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“…Sproat and Ritchison 1993;Sergio and Bogliani 2001;Kleindorfer et al 2003Kleindorfer et al , 2005. Zimmermann and Curio (1988) assumed that concealed nesters behave with less risk, as long as the position of the nest is not disclosed. The risk increases rapidly once the nest is discovered by a predator and nest defence gains priority.…”

Section: Discussionmentioning

confidence: 99%

Nest defence in the meadow pipit Anthus pratensis: the influence of renesting potential

Pavel

Bureš

2008

J Ethol

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The reproductive value hypothesis predicts that the level of nest defence is determined by the expected chance of offspring to survive until reproduction, and by the reproductive potential of the parents. Rates of survival from one breeding season to the next are low in small passerines, and their residual reproductive potential strongly declines as the current breeding season terminates. Therefore, we can expect that parents which have only one breeding attempt per season should defend their nests more intensively than parents with a possibility to renest. We studied nest defence in populations of meadow pipit (Anthus pratensis) breeding in Norway and the Czech Republic, differing in renesting potential. To simulate the threat from a predator, we placed a stuffed stoat (Mustela erminea) first 5 m and then 1 m away from a nest with nestlings. Parents increased or kept nest defence constant when the stoat approached their nests in Norway and, during a breeding season shortened by severe weather, in the Czech Republic (when renesting potential was limited). Parents decreased nest defence when the stoat approached the nest during ''normal'' breeding seasons in the Czech Republic (when renesting was common). These findings give support to the reproductive value hypothesis.

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Section: Discussionmentioning

confidence: 99%

Nest defence in the meadow pipit Anthus pratensis: the influence of renesting potential

Pavel

Bureš

2008

J Ethol

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“…If one assumes that distance from the brood and vigor of attack tend to covary (the most dangerous predator is in fact attacked farthest from the nest and most fiercely), the avoidance-of-discovery component of the vulnerability hypothesis would be supported. The only study looking at the effect of distance of danger from the nest found that great tits (Parus major) parents increased their level of defense with increasing distance, probably because of the need for nest concealment (Zimmermann and Curio 1988). The vulnerability hypothesis predicts that this relationship is enhanced by age of young; i.e., the ascent of slope for defense compared to distance increases with age.…”

Section: Two Functional Explanations and Their Premisesmentioning

confidence: 99%

“…The tendency to conceal the nest is incompatible with the tendency to harass the intruder (Zimmermann and Curio 1988;Windt et al 1990). Therefore, one might argue that a reduction of harassment comes about by an increase of concealment behavior.…”

Section: Support For the "Brood Value Hypothesis"mentioning

confidence: 99%

Brood defense and age of young: a test of the vulnerability hypothesis

Onnebrink

Curio

1991

Behav Ecol Sociobiol

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“…Anecdotally, in our study females vocalized longer, at a higher rate and from a greater distance than males. Males and females might therefore be using different strategies with comparable costs and efficiencies where the female strategy may include an attempt to avoid revealing the location of the nest (Zimmermann and Curio 1988).…”

Section: Discussionmentioning

confidence: 99%

A sex difference in the behavioural response of nesting mountain bluebirds (Sialia currucoides) to a mounted predator

Gibson

Moehrenschlager

2007

J Ethol

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Passerine nests can benefit parental fitness, but defense against predators may be costly. Although this paradigm is well studied, no studies have been conducted on mountain bluebirds (Sialia currucoides). We observed the response of 17 bluebird pairs with nestlings to a mounted bobcat (Lynx rufus) and two controls. Bluebird pairs clearly differentiated the mounted predator and males moved closer to the bobcat than to the controls whereas females did not. This system is ideal to further refine nestdefense hypotheses.

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Two conflicting needs affecting predator mobbing by great tits, Parus major

Cited by 18 publications

References 22 publications

Nest defence in the meadow pipit Anthus pratensis: the influence of renesting potential

Nest defence in the meadow pipit Anthus pratensis: the influence of renesting potential

Brood defense and age of young: a test of the vulnerability hypothesis

A sex difference in the behavioural response of nesting mountain bluebirds (Sialia currucoides) to a mounted predator

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