Multiple tests of the effect of nasal saddles on dabbling ducks: combining field and aviary approaches

Guillemain, Matthieu; Poisbleau, Maud; Denonfoux, Léopold; Lepley, Michel; Moreau, Coraline; Massez, Grégoire; Leray, Gilles; Caizergues, Alain; Arzel, Céline; Rodrigues, David; Fritz, Hervé

doi:10.1080/00063650709461454

Cited by 15 publications

(20 citation statements)

References 38 publications

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“…Birds used in this study were fitted with nasal saddles (see Rodrigues et al . [2001] and Guillemain, Poisbleau et al . [2007] for precise description and the lack of deleterious effect to the birds).…”

mentioning

confidence: 99%

Winter site fidelity is higher than expected for Eurasian TealAnas creccain the Camargue, France

et al. 2009

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confidence: 99%

Winter site fidelity is higher than expected for Eurasian TealAnas creccain the Camargue, France

et al. 2009

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“…PARIS' for French rings). Earlier tests showed that saddled and non-saddled birds behaved similarly (Guillemain et al 2007). Mortality rates still have to be compared between the two categories.…”

Section: Methodsmentioning

confidence: 99%

“…ring number, recovery place and date), but this was also combined with return method and return date to assess how quickly rings were returned depending on the method of reporting. Approximately 60% of the ringed teals were also fitted with a plastic nasal saddle to allow resightings from a distance (Guillemain et al 2007). The office phone number of the researcher in charge of the programme was handwritten on the back of each of those saddles, while metal rings only had a return address written ('MUS.…”

Section: Methodsmentioning

confidence: 99%

Determinants of bird ring return: a questionnaire to duck hunters

Guillemain¹

2010

Wildlife Biology

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Many ringing programmes rely heavily on rings returned by hunters, yet the motivation of hunters to participate in such schemes has not so far been examined. A questionnaire survey was launched while French hunters reported hunted teal Anas crecca rings. The main aim was to quantify the proportion of rings returned by different means, to ask hunters about their previous knowledge of the ringing programme and about their motivation to report rings. Hunters reporting rings exhibited altruistic behaviour, sending their data with little knowledge of what they will be used for, and indicated their willingness to help research as their main motivation. They showed little interest in an internet‐based ring return system or internet information, but relied mostly on a phone‐reporting system when the phone number was indicated on nasal saddles (although the sole presence of a nasal saddle in addition to a metal ring also likely improved the reporting rate of such marked birds). Considering these sociological aspects in the advertisement of ringing programmes may help improve ring recovery rates of quarry species.

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“…This kind of marking enables identification of any bird up to a distance of 200 m using a 80 3 60 telescope (Rodrigues et al 2001). No significant adverse effect of nasal saddles on dabbling duck behaviour or condition has formerly been detected when tested (Guillemain et al 2007). …”

Section: Field Work Proceduresmentioning

confidence: 99%

“…To minimise the biases associated with trap dependence and low capture rates described above, we derived capture-recapture histories from visual recognition of individuals fitted with a nasal saddle, each bearing an individual alphanumeric code (Guillemain et al 2007). …”

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Emigration rates and population turnover of teal Anas crecca in two major wetlands of western Europe

et al. 2011

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During the winter of 2003/04, we studied emigration rates of teal Anas crecca in two major wetlands: the Camargue (southern France) and the Loire estuary (western France). We derived local survival probabilities as a step in ultimately estimating emigration rates from individual mark-resighting (visual recaptures) history of birds fitted with nasal saddles. In goodness-of-fit tests of time-dependent models for local survival, we only detected the presence of transients among young females in the Loire estuary, which indicated that this category of individuals includes an 'unstable compartment' continuing its migratory journey further to the south. We observed low monthly local survival and high emigration rates (range: 0.01-0.81) in both areas, which suggests high turnover rates. In the Loire estuary, temporal changes in emigration rates matched the post-and pre-nuptial migration peaks (i.e. October-November and February-March). By combining local survival probabilities and count data, we derived an estimate of the ratio between the winter peak count of teals in our study areas and the minimum number of birds that actually frequented the areas over the entire wintering period (October-March). In both cases, we estimated the number of teal visiting the two wintering sites be about twice as large as the maximum number of birds counted instantaneously.

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Multiple tests of the effect of nasal saddles on dabbling ducks: combining field and aviary approaches

Cited by 15 publications

References 38 publications

Winter site fidelity is higher than expected for Eurasian TealAnas creccain the Camargue, France

Winter site fidelity is higher than expected for Eurasian TealAnas creccain the Camargue, France

Determinants of bird ring return: a questionnaire to duck hunters

Emigration rates and population turnover of teal Anas crecca in two major wetlands of western Europe

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