Tracking devices attached with harnesses influence behaviour but not body mass of Princess Parrots Polytelis alexandrae

Herrod, Ashley; King, Meaghan; Ingwersen, Dean; Clarke, Rohan H.

doi:10.1007/s10336-013-1034-4

Cited by 6 publications

(8 citation statements)

References 48 publications

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“…This is consistent with the common strategy among altricial birds of 'parental meanness' (Davies, 1978;Trivers, 1974) whereby birds decrease provisioning effort in the latter part of the nestling period to encourage fledging. Saunders (1982) The intelligence of parrots (Psittacines) and their strong beaks make them challenging subjects for tracking studies due to increased risk of subjects removing or interfering with tracking devices (Herrod et al, 2014). This study faced additional challenges associated with the bird's endangered status and its hollow dwelling breeding habit.…”

Section: Discussionmentioning

confidence: 99%

“…The intelligence of parrots (Psittacines) and their strong beaks make them challenging subjects for tracking studies due to increased risk of subjects removing or interfering with tracking devices (Herrod et al., 2014 ). This study faced additional challenges associated with the bird's endangered status and its hollow dwelling breeding habit.…”

Section: Discussionmentioning

confidence: 99%

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Accelerometry reveals limits to use of an energy‐saving anthropogenic food source by a threatened species: A case of Carnaby's cockatoos (Zanda latirostris) and canola

Riley,

Warren,

Armstrong

et al. 2023

Ecology and Evolution

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The use of anthropogenic resources is becoming increasingly common as species adapt to human‐induced environmental changes, but their use can expose species to new risks. Understanding how animals exploit these resources is important for guiding conservation management, particularly where species are threatened. The introduction of canola cropping to breeding areas of endangered Carnaby's cockatoo (Zanda latirostris) has been attributed to an increase in the birds' reproductive success; however, the seed may be protein‐limiting for nestling growth and its use by cockatoos has been implicated in the emergence of a new disease. We used high‐resolution accelerometer‐capable GPS tags to track eight birds. Accelerometer data were used to calculate overall dynamic body acceleration (ODBA), a proxy for energy expenditure, and to identify and quantify canola and native vegetation foraging behaviours. We used linear mixed models to determine which factors affected patterns of resource use and to determine whether, and to what extent, canola use was associated with reduced energetic and movement costs. We then compared the energetic content of canola seed and native food sources to inform patterns of behaviour and habitat use revealed by our tracking data. Use of canola was associated with reduced movement costs and energy expenditure. However, there was an apparent reluctance to increase foraging on canola above a threshold of time, even when conditions reduced time available to utilise native food sources. While anthropogenic resources may appear to improve population trends in some cases, careful investigations of patterns of resource use are necessary to guide appropriate conservation management efforts. For Carnaby's cockatoos, conservation efforts should focus on retention, protection and expansion of native food sources.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Accelerometry reveals limits to use of an energy‐saving anthropogenic food source by a threatened species: A case of Carnaby's cockatoos (Zanda latirostris) and canola

Riley,

Warren,

Armstrong

et al. 2023

Ecology and Evolution

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“…Most probably this is because of concerns held by researchers that the strong crushing beaks, acute manual dexterity, and high intelligence (Pepperberg 2006) of psittaciforms may limit the durability and retention of animal-borne GPS receivers (Herrod et al 2013, Le Souef et al 2013). Moreover, parrots may become more wary of humans following capture (Beissinger and Snyder 1992), increasing the difficulty of recovering archival tracking devices.…”

Section: Introductionmentioning

confidence: 97%

“…GPS telemetry has great potential to increase knowledge of the movement and spatial ecology of parrots; however, to date no studies have been published in which this method has been employed (Herrod et al 2013). Most probably this is because of concerns held by researchers that the strong crushing beaks, acute manual dexterity, and high intelligence (Pepperberg 2006) of psittaciforms may limit the durability and retention of animal-borne GPS receivers (Herrod et al 2013, Le Souef et al 2013).…”

Section: Introductionmentioning

confidence: 98%

“…Moreover, a number of parrot species that have been introduced outside of their original geographic ranges carry infectious diseases and/or are able to outcompete, displace, or pose other risks to indigenous wildlife (Clavero et al 2009). Despite the importance of understanding the social development of parrots, as well as the critical need for development of effective conservation and management strategies, little is known about the movement and space-use patterns of parrots (Herrod et al 2013). Such information is required to identify essential habitats, describe foraging and/or migratory pathways, characterize responses to human perturbation of natural ecosystems, and locate potential 'hotspots' of humanwildlife conflict that necessitate monitoring or protection.…”

Section: Introductionmentioning

confidence: 99%

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GPS telemetry for parrots: A case study with the Kea (Nestor notabilis)

Kennedy

Kemp²,

Mosen³

et al. 2015

The Auk

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Parrots are one of the most complex avian lineages worldwide, yet little is known about their patterns of movement and space use. Such information is vital for understanding the social development and structure of members of this long-lived order, as well as for the establishment of effective conservation and management actions for the many threatened or endangered species. While global positioning system (GPS) telemetry has been employed successfully on a broad range of birds, to date no studies have been published in which this technology has been used on any psittaciform species, most probably due to concerns held by researchers regarding the high cost of GPS units or the perceived ability of members of this order to remove or damage tracking gear. Here, we evaluate the feasibility and performance of animal-borne GPS telemetry as a means of tracking parrots. First, we encased inexpensive (,US$70) archival GPS dataloggers (~19 g) in bite-proof housing, and then we evaluated the effects of the devices on the study animals and their operational performance during field trials (n ¼ 14) on wild-caught Kea (Nestor notabilis), a large (~1 kg) parrot endemic to the Southern Alps of New Zealand. We observed no apparent adverse effects of the loggers on the behavior and condition of the Kea and no damage to the devices that impaired their function, and found that the operational performance of the loggers was similar to that reported for devices deployed on other birds and animals. Our study demonstrates that GPS telemetry can be a highly effective method for characterizing the movement patterns of free-ranging parrots.Estudio de factibilidad del uso de telemetría GPS para loros: Un caso de estudio con Nestor notabilis RESUMEN Los loros son uno de los linajes de aves sociales más complejos del mundo, y sin embargo poco se sabe sobre sus patrones de movimiento y uso del espacio. Esta información es vital para entender el desarrollo social y la estructura de los miembros de este orden de larga vida, así como para el desarrollo de acciones efectivas de conservación y manejo para muchas de las especies amenazadas o en peligro. Mientras que la telemetría con sistemas de posicionamiento global (GPS por sus siglas en inglés) ha sido usada conéxito en una amplia gama de aves, no hay estudios publicados donde se haya usado esta tecnología con ninguna especie de Psitaciforme, probablemente debido al alto costo de las unidades GPS o a la habilidad potencial de los miembros de este orden para sacarse o dañar los equipos de rastreo. Aquí evaluamos la factibilidad de uso y el rendimiento de la telemetría GPS desde el nacimiento de los animales, como un medio para seguir a los loros. Primero, revestimos un registrador de datos de GPS (~19 g) barato (,$70 USD) en un envase a prueba de mordidas y luego evaluamos los efectos de estos equipos en los animales de estudio y su rendimiento operativo en las pruebas de campo (n ¼ 14) en individuos cautivos de Nestor notabilis -un loro grande (~1kg) endémico de los Alpes del Sur de Nueva Zelandi...

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Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption

Pavey

Nunn

et al. 2020

Journal of Arid Environments

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Tracking devices attached with harnesses influence behaviour but not body mass of Princess Parrots Polytelis alexandrae

Cited by 6 publications

References 48 publications

Accelerometry reveals limits to use of an energy‐saving anthropogenic food source by a threatened species: A case of Carnaby's cockatoos (Zanda latirostris) and canola

Accelerometry reveals limits to use of an energy‐saving anthropogenic food source by a threatened species: A case of Carnaby's cockatoos (Zanda latirostris) and canola

GPS telemetry for parrots: A case study with the Kea (Nestor notabilis)

Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption

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