The Reproductive Ecology of the Common Coot (Fulica atra) in the Hauts Plateaux, Northeast Algeria

Samraoui, Farrah; Samraoui, Boudjéma

doi:10.1675/1524-4695(2007)030[0133:treotc]2.0.co;2

Cited by 39 publications

(31 citation statements)

References 14 publications

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“…Nest concealment may be an effective mechanism against coots and other avian predators but may afford little or no protection against snakes (mainly the viperine snake Natrix maura) and mammalian predators (Clark and Nudds 1991;Angelici et al 2012). Known mainly for its predation on fish and amphibians (Santos et al 2000;Metzger et al 2009), the Viperine Snake has been shown to be a potent cause of nest failure in waterbirds (Samraoui and Samraoui 2007). The avoidance of dense stands of vegetation by the Great-crested Grebe may be a response to lessen snake predation and afford good visibility.…”

Section: Nesting Successmentioning

confidence: 99%

“…Coots also are prone to both conspecific (Lyon 1993;Samraoui and Samraoui 2007) and interspecific brood parasitism (Forman 2003). It is not known if a Great-crested Grebe's egg would be accepted and incubated by a coot as hostparasite dynamics have escalated to an evolutionary arms race that in some species of coots involves responses such as egg ejection, egg burying and chick discrimination (Lyon 2003;Samraoui and Samraoui 2007;Shizuka and Lyon 2010). The exploitation of parental care through interspecific brood parasitism is probably an extreme strategy for the Great-crested Grebe, which mainly engages in conventional breeding.…”

Section: Mixed Clutchesmentioning

confidence: 99%

“…The breeding season of North African waterbirds is constrained by the seasonality of their habitats, which is driven by an arid climate. The onset of the breeding season generally coincides with the end of the cool and wet season but breeding rarely extends well into the dry and hot season (Samraoui and Samraoui 2007;Samraoui et al 2012). This period, according to Lack (1968), affords breeding pairs the maximum food availability for chick rearing but there is scant information on how waterbirds at their southern distribution range cope with unpredictable constraints.…”

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confidence: 99%

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Factors affecting nesting success in the Great-crested GrebePodiceps cristatusat Lake Tonga, north-east Algeria

Cheriet¹,

Samraoui²,

Alfarhan

et al. 2015

Ostrich

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The breeding ecology of the Great-crested Grebe Podiceps cristatus was investigated over four consecutive years (2009-2012) at Lake Tonga, north-east Algeria. In all four years, the egg-laying period was relatively short, spanning two months (end of March to end of May), and bimodal. Nests were mainly located in Phragmites australis, over water of substantial depth (178 ± 43 cm, N = 209), far from the shore and in habitat with low vegetation cover (12.37 ± 7.67%, N = 209). The overall clutch size was 3.73 ± 0.92 eggs (N = 127) and it decreased marginally over time. The overall nesting success was 70.4% (N = 209), with nest failure caused mainly by predation (65%) and flooding (23%). Breeding outcome was significantly and positively related to nest size, with bigger nests conferring better survival to eggs and young probably through affording better protection during spells of adverse weather. However, the benefits of bigger nests may be confounded by the age or intrinsic quality of birds. The location of nests in P. australis, rather than other vegetation types, increased nesting success marginally but significantly. Two cases of interspecific mixed clutches involving the Great-crested Grebe were recorded.

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Section: Nesting Successmentioning

confidence: 99%

Section: Mixed Clutchesmentioning

confidence: 99%

mentioning

confidence: 99%

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Factors affecting nesting success in the Great-crested GrebePodiceps cristatusat Lake Tonga, north-east Algeria

Cheriet¹,

Samraoui²,

Alfarhan

et al. 2015

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“…Both members of the pair are involved in *Correspondence: E. Mori, University of Siena, Department of Life Science, Via P. A. Mattioli, 4-53100 Siena. Email: moriemiliano@tiscali.it the defense of the area surrounding the nest (del Hoyo et al 1996;Samraoui & Samraoui 2007). Unpaired Coots usually flock near breeding territories, also during the breeding season.…”

Section: Introductionmentioning

confidence: 99%

First report of egg predation by an unpaired Eurasian Coot,Fulica atra, L., 1758 (Aves: Gruiformes) on Black-winged Stilt,Himantopus himantopus, L., 1758 (Aves: Charadriiformes): one case from central Italy

Bruni

Boggiano

Menchetti

et al. 2013

Italian Journal of Zoology

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The Eurasian Coot, Fulica atra, is a gregarious Palearctic rail that only rarely occurs singly. Even if resident birds can present territorial behaviour all through the year, most aggressions are developed during the breeding season, and the scientific literature has reported inter-and intraspecific attacks by Coot breeding pairs. Unpaired individuals do not usually show any territoriality and are often subjected to attacks by breeding pairs. It is, however, possible to observe unpaired Coots defending a territory before pairing, but the typical aggressive behaviour is developed after the beginning of nest building. Egg predation by Coots is reported as a rare phenomenon, exerted only by members of breeding couples. In this note, we report two predation cases exhibited by an unpaired individual against nests and eggs of Himantopus himantopus. We discard the hypothesis of competition for food between these two species and suggest that this peculiar behaviour could have been induced by endocrine hormonal secretions, regardless of whether the individual was paired or not.

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“…Several features of their behaviour have made Rallidae favourite study species within specific scientific domains: firstly, many of these species practise nest parasitism or cooperative nesting, or have helpers, so the breeding ecology of Moorhen (eg Gibbons 1986, Elden 1987, McRae 1995, Forman 2005, Samraoui et al 2012 and in particular Coot (eg Samraoui & Samraoui 2007, Lu 2011; see also Lyon 1998 for American Coot F. americana, Jamieson et al 2000 for Red-knobbed Coot F. cristata) has received much attention. Secondly, the young (eg in Fulica species) and adults (eg in Water Rail and Moorhen) have peculiar head, shield or bill coloration, which has led to studies in the context of inter-individual signalling (eg Lyon et al 1994, Fenoglio et al 2002, Álvarez et al 2005.…”

mentioning

confidence: 99%

Common but poorly known: information derived from 32 years of ringing CootFulica atrain the Camargue, southern France

Guillemain

Devineau²,

Simon

et al. 2014

Ringing & Migration

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SUMMARYRallidae are common and widespread, yet relatively poorly studied. We analysed the ringing data from more than 8,000 Common Coot Fulica atra accumulated between 1950 and 1982 in Camargue, Southern France, in terms of dynamics of their biometrics throughout the year, migratory pathways and annual survival rate. Mean monthly body mass and wing length indicate monthly differences, with birds captured in autumn and winter being heavier and larger than those captured in spring and summer. More than 950 ring recoveries were obtained, whose distribution across Europe and through time indicates a mixing of sedentary and migratory birds. The capture-recapture analysis indicated lower annual survival rate during the year following ringing, and greater survival in adults and in males. Mean survival rate over sex and age classes more than one year after ringing was 55%. This is somewhat lower than in other studies, and may be related to the importance of Coot hunting in Camargue, especially during the years of this study.2

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The Reproductive Ecology of the Common Coot (Fulica atra) in the Hauts Plateaux, Northeast Algeria

Cited by 39 publications

References 14 publications

Factors affecting nesting success in the Great-crested GrebePodiceps cristatusat Lake Tonga, north-east Algeria

Factors affecting nesting success in the Great-crested GrebePodiceps cristatusat Lake Tonga, north-east Algeria

First report of egg predation by an unpaired Eurasian Coot,Fulica atra, L., 1758 (Aves: Gruiformes) on Black-winged Stilt,Himantopus himantopus, L., 1758 (Aves: Charadriiformes): one case from central Italy

Common but poorly known: information derived from 32 years of ringing CootFulica atrain the Camargue, southern France

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