Investigator Visitation and Predation Rates on Bird Nests in Burned and Unburned Tallgrass Prairie in Oklahoma: An Experimental Study

Hendricks, Paul; Reinking, Dan L.

doi:10.2307/3672250

Cited by 7 publications

(3 citation statements)

References 16 publications

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“…Timing and frequency of management burns in grassland habitats can affect success rates of artificial (Hendricks and Reinking, 1994) and natural nests (Best, 1979;Johnson and Temple, 1990). We burned study plots in January to mimic current management practices; we constructed and exposed artificial nests during May and June to coincide with both species' peak nesting season (Moorman and Gray, 1994; Post and Greenlaw, 1994).…”

Section: Mean Visual Obstructionmentioning

confidence: 99%

Success of Artificial Bird Nests in Burned Gulf Coast Chenier Plain Marshes

Gabrey¹,

Wilson²,

Afton³

2002

The Southwestern Naturalist

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Section: Mean Visual Obstructionmentioning

confidence: 99%

Success of Artificial Bird Nests in Burned Gulf Coast Chenier Plain Marshes

Gabrey¹,

Wilson²,

Afton³

2002

The Southwestern Naturalist

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“…4). Similarly, while some studies have found higher rates of nest predation or lower nest survival in burnt compared to unburnt areas (Humple & Holmes, 2006; Churchwell et al ., 2008; Dziadzio et al ., 2016; Bahía & Zalba, 2019), others have found mixed or no effects of fire (Hendricks & Reinking, 1994; Gabrey, Wilson & Afton, 2002). Predation rates of artificial nests did not vary with prescribed burning in Georgia, USA, but the dominant predators preying on the nests did, with bird predation dominant in burnt plots and small mammal predation dominant in unburnt plots (Jones et al ., 2002).…”

Section: How and Why Does Prey Vulnerability Change Post‐fire?mentioning

confidence: 99%

Fire as a driver and mediator of predator–prey interactions

et al. 2022

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Both fire and predators have strong influences on the population dynamics and behaviour of animals, and the effects of predators may either be strengthened or weakened by fire. However, knowledge of how fire drives or mediates predatorprey interactions is fragmented and has not been synthesised. Here, we review and synthesise knowledge of how fire influences predator and prey behaviour and interactions. We develop a conceptual model based on predator-prey theory and empirical examples to address four key questions: (i) how and why do predators respond to fire; (ii) how and why does prey vulnerability change post-fire; (iii) what mechanisms do prey use to reduce predation risk post-fire; and (iv) what are the outcomes of predator-fire interactions for prey populations? We then discuss these findings in the context of wildlife conservation and ecosystem management before outlining priorities for future research. Fire-induced changes in vegetation structure, resource availability, and animal behaviour influence predator-prey encounter rates, the amount of time prey are vulnerable during an encounter, and the conditional probability of prey death given an encounter. How a predator responds to fire depends on fire characteristics (e.g. season, severity), their hunting behaviour (ambush or pursuit predator), movement behaviour, territoriality, and intra-guild dynamics. Prey species that rely on habitat structure for avoiding predation often experience increased predation rates and lower survival in recently burnt areas. By contrast, some prey species benefit from the opening up of habitat after fire because it makes it easier to detect predators and to modify their behaviour appropriately. Reduced prey body condition after fire can increase predation risk either through impaired ability to escape predators, or increased need to forage in risky areas due to being energetically stressed. To reduce risk of predation in the post-fire environment, prey may change their habitat use, increase sheltering behaviour, change their movement behaviour, or use camouflage through cryptic colouring and background matching. Field

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“…Artificial nests have been used to facilitate such comparisons (e.g., Gottfried and Thompson 1978;Vacca and Handel 1988;Sullivan and Dinsmore 1990). Extrapolating estimates from artificial nests to natural nests might not be entirely valid, because artificial nests are "visited" when deployed (Gotmark et al 1990;MacIvor et al 1990;Hendricks and Reinking 1994; but see Olson and Rohwer 1998), and artificial nests may be poor substitutes for estimating hatching rates of natural nests (see Butler and Rotella 1998). Radio-telemetry offers a partial alternative by allowing remote monitoring of nesting waterfowl.…”

mentioning

confidence: 99%

Use of Radio-Telemetry to Test for Investigator Effects on Nesting Mallards, <em>Anas platyrhynchos</em>

et al. 2005

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. 2005. Use of radio-telemetry to test for investigator effects on nesting Mallards, Anas platyrhynchos. Canadian Field-Naturalist 119(4): 541-545.We examined the effects of investigator activity on hatching rates of radio-marked wild female Mallards (Anas platyrhynchos), and evaluated the efficacy of radio-telemetry to minimize nest disturbance, characterize vegetation at nest sites, and mark nests for later relocation. Differences in hatching rates between birds that were flushed once (experimental) and those never flushed (control) approached significance (P = 0.086). However, hatching rates did not differ (P = 0.588) between the two groups when nests where investigator activity caused abandonment (30% of experimental nests) were removed from analysis. If the nest remained active, flushing the bird and visiting the nest once did not appear to increase the likelihood of the nest being depredated. We were able to locate 92% of radio-telemetry marked nests (control) after the female was no longer tending the nest. Radio-telemetry provides a technique to collect relatively unbiased nesting data for Mallards without disturbing the female.

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Investigator Visitation and Predation Rates on Bird Nests in Burned and Unburned Tallgrass Prairie in Oklahoma: An Experimental Study

Cited by 7 publications

References 16 publications

Success of Artificial Bird Nests in Burned Gulf Coast Chenier Plain Marshes

Success of Artificial Bird Nests in Burned Gulf Coast Chenier Plain Marshes

Fire as a driver and mediator of predator–prey interactions

Use of Radio-Telemetry to Test for Investigator Effects on Nesting Mallards, <em>Anas platyrhynchos</em>

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