Predation Rates on Real and Artificial Nests of Grassland Birds

Davison, William; Bollinger, Eric K.

doi:10.1642/0004-8038(2000)117[0147:proraa]2.0.co;2

Cited by 72 publications

(61 citation statements)

References 28 publications

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“…The breeding success in this study corresponds with data from previous studies on Blackcaps (Stein 1974, Bairlein 1978, Bairlein et al 1980, Weidinger 2001 and is typical for small songbirds (Nice 1957, Heske et al 1999, Davison & Bollinger 2000. Birds nesting in similar locations, such as thrushes, are often confronted with equally high predation rates (Møller 1988, Götmark et al 1995, Hatchwell et al 1996, Weidinger 2001), but predation is higher than in closely related species that prefer more concealed sites (Bairlein et al 1980).…”

Section: Breeding Success Predators and Their Behavioursupporting

confidence: 86%

Video monitoring of shrub-nests reveals nest predators

Schaefer

2004

Bird Study

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Section: Breeding Success Predators and Their Behavioursupporting

confidence: 86%

Video monitoring of shrub-nests reveals nest predators

Schaefer

2004

Bird Study

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“…Essa alta taxa também foi encontrada por THOMPSON & BURHANS (2003), com 72% de registro de predação por cobras. Contrastando com essa evidência, cobras parecem ser sub-representadas como predadores de ninhos artificiais em alguns ambientes (DAVISON & BOLLINGER 2000), entretanto, diferenças dos registros de predadores de ninhos de regiões temperadas e tropicais devem ser consideradas.…”

Section: Parasitismo De Ninhosunclassified

Teste do efeito de borda na predação de ninhos naturais e artificiais no Cerrado

França¹,

Marini²

2009

Zoologia (Curitiba, Impr.)

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ABSTRACT. A test of the edge effect on predation of natural and artificial bird nests in the Cerrado. The Cerrado is still one of the most important ecosystems in Brazil, even though more than 50% of its area has been altered or converted to pastureland and plantations. Despite its intense degradation, few ecological processes that might affect its biodiversity have been evaluated. The goal of this study was to test the edge effect on the predation rates at natural and artificial nests, at the Ecological Station of Águas Emendadas, Federal District, Brazil. Natural nests were found and monitored every three to four days from September to December of 2004 in the interior and at the edge of the reserve.Artificial nests were placed at four distances from the edge (0, 500, 1000 and 2000 m) in three spatial replicates in September and again in December of 2004. Each nest received one Japanese Quail and one plasticine egg and was monitored every five days, for 15 days. There was no difference between the rates of predation either in the natural nests or in the artificial nests between treatments. For one bird species, Elaenia chiriquensis (Lawrence, 1865), Tyrannidae, daily survival rates in the incubation and in the hatchling period had opposite values between the edge and the interior.Marks on plasticine eggs suggest that birds are the main predators. Estimates of the abundance of two potential nest predators, Cyanocorax cristatellus (Temminck, 1823), Corvidae and Canis familiaris (Linnaeus, 1758), Canidae, revealed no relationship with distance to the edge, nor with predation rates. Brood parasitism of natural nests was similar between the interior (0%) and the edge (3.8% of the nests). The results described here do not support the edge effect hypothesis for nest predation rates on either natural or artificial nests, nor for brood parasitism rates.

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“…Ortega et al (1998) found that predators respond differently to natural and artificial nests. Davison & Bollinger (2000) suggest that future artificial nests studies should use nests and eggs that mimic the real nests and eggs of the target species as closely as possible. According to Pärt & Wretenberg (2002) artificial nests may only predict the risk for real nests when the nest predator species are similar among the two types of nest.…”

Section: Introductionmentioning

confidence: 99%