A simple, inexpensive video camera setup for the study of avian nest activity

Sabine, John B.; Meyers, J. Michael; Schweitzer, Sara H.

doi:10.1648/0273-8570-76.3.293

Cited by 34 publications

(25 citation statements)

References 11 publications

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“…Knight et al (2014) (Pallas, 1764). These evidences, and our data suggest that camera systems based on motion sensors rarely achieve 100% efficiency in the detection of predators, as occurs, for example, with most devices with full time recording (time-lapse devices) (Sabine et al 2005, Pierce and Pobprasert 2007, Gula et al 2010, Kirkpatrick and Conway 2010, Smith et al 2012, Denmon et al 2013.…”

Section: Discussionsupporting

confidence: 52%

“…However, the primary limitation of most devices is the requirement of separate parts, e.g. cameras, batteries, and motion sensors, that are difficult to carry and to set up in the field (Pierce and Pobprasert 2007, Sabine et al 2005, Grivas et al 2009, Gula et al 2010, Smith et al 2012, Denmon et al 2013. Digital video cameras that are currently available commercially (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Testing camera traps as a potential tool for detecting nest predation of birds in a tropical rainforest environment

Ribeiro‐Silva¹,

Perrella²,

Biagolini-Jr.³

et al. 2018

Zoologia

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ABSTRACT. Identification of the predators of bird nests is essential to test ecological and evolutionary hypotheses and to make practical management decisions. A variety of nest monitoring devices have been proposed but many remain difficult to set up in the field. The aim of this study was to test camera traps as a potential tool to study predation of natural nests in a tropical rainforest environment. Specifically, we registered the predators, assessed their size range, and we compared the use of one and two cameras per nest. Of 122 nests from 24 bird species, 45 (37%) were depredated, and the cameras recorded the predator species in 29 of the total of depredated nests (64%). We identified predators in eight of 16 depredated nests (50%) in which we used one camera trap per nest, and we identified predators in 21 of 29 depredated nests (72%) when we used two camera traps per nest. The predators included six species of birds and six species of mammals, with body masses varying from 20 g to 16.5 kg. Causes for 10 of the 16 detection failures were identified and are discussed. These results suggest that camera traps are viable tools to investigate nest predation in a tropical rainforest area.

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Section: Discussionsupporting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

Testing camera traps as a potential tool for detecting nest predation of birds in a tropical rainforest environment

Ribeiro‐Silva¹,

Perrella²,

Biagolini-Jr.³

et al. 2018

Zoologia

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“…No nests were abandoned because of cameras, although this occurred in a similar study, possibly as a result of additional disturbance caused by catching and banding incubating birds (Sanders & Maloney 1999. during a video study of 32 American oystercatcher (Haematopus palliatus), no nests were abandoned as a result of camera installation (Sabine et al 2005).…”

Section: Video Biasesmentioning

confidence: 99%

Effectiveness of management on the breeding success of Chatham Island oystercatchers (Haematopus chathamensis)

Moore¹,

Reid

2009

New Zealand Journal of Zoology

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Conservation management of Chatham island oystercatcher (Haematopus chathamensis)nests was carried out between 1998 and 2004 on the Chatham islands, New Zealand. Video monitoring during three breeding seasons (1999)(2000)(2001) from 21 managed and 28 unmanaged nests revealed that feral cats (Felis catus) and an introduced rail, the weka (Gallirallus australis hectori), were the main predators, responsible for 68 and 16% of fatal events respectively. Other fatal events resulted from predation by a red-billed gull (Larus novaehollandiae scopulinus), tidal overwash, and a sheep (Ovis aries). each accounted for c. 5% of fatal events. daily survival rate and nest survival probability for 126 oystercatcher nests varied with management, but was unrelated to year or use of video monitoring. daily survival rate for nests in managed and unmanaged areas was 0.990 (95% Ci: 0.985 to 0.994) and 0.959 (95% Ci: 0.941 to 0.971), respectively. Nest survival probability was 0.757 (95% Ci: 0.652 to 0.834) in managed areas and 0.249 (95% Ci: 0.174 to 0.425) in unmanaged areas. incubation at managed nests tended to proceed without incident whereas unmanaged nests succumbed to predation. Management in 1998-2004 improved breeding success to a mean of 1.04 compared with 0.37 chicks/pair/year in unmanaged areas. during 2002-04, however, management had less apparent impact because storm seas played a greater role and breeding success improved in unmanaged areas. in this study, video monitoring proved a useful means of identifying the main causes of nest failure during incubation, and so assisted in the formation of conservation management methods.

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“…Scientists have used different methods and approaches to identify the causes of nest failure, including radiotagged birds (Adams et al 2007;Bolton et al 2007), video camera setups (Sabine et al 2005), and temperature data loggers placed in nests (Hartman and Oring 2006;Weidinger 2006). Locating abandoned or depredated eggs is another method that has the benefit of permitting the assessment of embryonic developmental stage.…”

Section: Introductionmentioning

confidence: 99%

Developmental stage of failed eggs in the red-legged partridge Alectoris rufa

Castilla

Reig

Aragón

et al. 2008

J Ethol

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Understanding whether egg failure occurs more frequently during laying or during incubation is important for determining the most vulnerable period of the egg phase in bird species with long laying and incubation periods. However, most studies compare nest failure during the egg stage and the hatchling stage. In this study we examined whether egg failure was higher during the laying period and early development than during the final stages of development in a population of red-legged partridge (Alectoris rufa) from northeast Spain. We collected 216 abandoned eggs in the field. Only 12% (n = 26) of the eggs were sufficiently intact to enable direct assessment of developmental stage, showing that 81% of 26 eggs were lost during early stages. The majority of eggs were depredated (n = 154, 71%), as evidenced by an opening hole. To take advantage of information contained in these eggs, we propose a simple method to assess their developmental stage by measuring the size of the opening of their hole. Based on this method, we estimated that the proportion of eggs lost during early stages ranged from 72 to 83%. We validated this result of a high percentage of egg failure during early developmental stages with a larger experimental sample. Nest losses in the partridge are higher during the laying period or early development. This result is important in that the direction of conservation efforts and their seasonal application should be adjusted to account for the most important factors affecting egg failure.

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A simple, inexpensive video camera setup for the study of avian nest activity

Cited by 34 publications

References 11 publications

Testing camera traps as a potential tool for detecting nest predation of birds in a tropical rainforest environment

Testing camera traps as a potential tool for detecting nest predation of birds in a tropical rainforest environment

Effectiveness of management on the breeding success of Chatham Island oystercatchers (Haematopus chathamensis)

Developmental stage of failed eggs in the red-legged partridge Alectoris rufa

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