Distribution and breeding ecology of the Ferruginous Duck<i>Aythya nyroca</i>in Algeria

Djelailia, Assia; Baaziz, Nasser; Samraoui, Farrah; Alfarhan, Ahmed H.

doi:10.2989/00306525.2017.1313331

Cited by 12 publications

(5 citation statements)

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“…In Algeria, intraspecific mixed clutches have been reported for various species of waterbirds: common coot Fulica atra (Samraoui & Samraoui, 2007), common moorhen Gallinula chloropus (Meniaia et al., 2014; Samraoui et al., 2013), purple swamp hen Porphyrio porphyrio (Samraoui et al., 2015), ferruginous duck Aythya nyroca (Djelailia et al., 2018; Fouzari et al., 2015), and mallard Anas platyrhynchos (Fouzari et al., 2018). Likewise, interspecific mixed clutches have been recorded for several waterbirds within the Numidian wetland complex (Table 1).…”

Section: Discussionmentioning

confidence: 99%

Interspecific nest reuse between two species of waders in northern Sahara and an overview of records of mixed clutches in Algerian waterbirds

et al. 2022

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Section: Discussionmentioning

confidence: 99%

Interspecific nest reuse between two species of waders in northern Sahara and an overview of records of mixed clutches in Algerian waterbirds

et al. 2022

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“…Furthermore, Algerian wetlands are the most important breeding and wintering sites for the species in North Africa. They host its highest concentrations [8,21,[25][26][27][28][29][30], especially in the Northeast region, where wintering numbers fluctuate between 1500 and 3500 individuals [26] and more than 700 pairs breed at Lake Tonga alone [21]. Overall, the species population in Algeria seems to be improving [25,30,31], even though it is not the case in some Algerian wetlands [32],…”

Section: Discussionmentioning

confidence: 99%

“…International Journal of Zoology 7 where anthropogenic pressures are negatively impacting its population [29,33].…”

Section: Discussionmentioning

confidence: 99%

“…Other factors contributing to the decline in the global species populations are related to the introduction of nonnative species and predators [17]. The increased drought due to climate change can also pose a threat [16,17,34], as its breeding depends on sufficient water levels, which can play a role in maintaining feeding areas for ducks and potentially decreasing the predation rate of nests [8,14,29,35]. Moreover, hunting represents a serious threat to the species, especially during the autumn passage and on its wintering areas in East Africa (e.g., Sudan) [11,36].…”

Section: Discussionmentioning

confidence: 99%

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Status and Trends of the Ferruginous Duck’s (Aythya nyroca) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017)

Ouassou

Dakki

Lahrouz³

et al. 2018

International Journal of Zoology

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The Ferruginous duck is a winter visitor and breeding resident in Morocco. The species breeds regularly in several coastal and inland wetlands, with remarkable numbers in some marshlands (Sidi Boughaba, Fouwarate, Bargha, Bas Loukkos, etc.). This duck is listed as near threatened in the IUCN Red List, and its populations have been in decline in many European countries. In Morocco, the national wintering population has known, during the last decade, a strong increase, in both its numbers (from tens to thousands of individuals) and distribution area (from a couple of sites to more than 21 wetlands). The North-West region of Morocco has been hosting regularly, during the last decade, between 31 and 91% of the Moroccan wintering population, which is mainly concentrated in two marshlands: Merja de Fouwarate and Merja de Sidi Boughaba. A small reservoir, Barrage Hassar, recently created in the Centre-Atlantic region, has also been, in recent years, one of the most important wintering sites of the species. 15 wetlands have hosted, at least once during the last decade, more than 1% of the regional population of “West Mediterranean/North and West Africa”. This work is an important step to a better knowledge of the Ferruginous duck’s population. This knowledge is the basis for adopting adequate measures for the conservation of the species at the national and international level.

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“…A higher nest presence positively affects breeding success in several bird species [ 26 , 27 ]. Conversely, nest recess has been associated with breeding failure [ 28 , 29 , 30 ], suggesting that nest absence is associated with fitness costs [ 31 ].…”

Section: Introductionmentioning

confidence: 99%

To Flee or Not to Flee: How Age, Reproductive Phase, and Mate Presence Affect White Stork Flight Decisions

Touati,

Athamnia,

Boucheker

et al. 2023

Animals

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Recognizing, assessing, and responding to threats is critical for survival in the wild. Birds, especially in their role as parents, must decide whether to flee or delay flight when threatened. This study examines how age, reproductive stage, and the presence of a mate influence flight initiation distance (FID) and nest recess duration in white storks. Analyzing the data with a generalized additive mixed model (GAMM), we found significant correlations between FID and age, reproductive stage, and presence of a mate. These results suggest that the trade-off between current and future reproduction shifts during critical breeding periods, such as incubation and nestling care. To increase breeding success, White Storks appear willing to take risks and extend their stay in the nest when offspring are most valuable and vulnerable. In the presence of a mate, individuals leave the nest earlier, suggesting possible sexual conflict over parental care. The duration of nest abandonment is consistent with FID, except for age. These results illustrate how parental age, brood value, vulnerability, and sexual dynamics influence white stork flight decisions in complex ways. Understanding these dynamics enriches our knowledge of bird behavior and adaptations to environmental challenges and highlights the complexity of parental decision making.

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Distribution and breeding ecology of the Ferruginous DuckAythya nyrocain Algeria

Cited by 12 publications

References 49 publications

Interspecific nest reuse between two species of waders in northern Sahara and an overview of records of mixed clutches in Algerian waterbirds

Interspecific nest reuse between two species of waders in northern Sahara and an overview of records of mixed clutches in Algerian waterbirds

Status and Trends of the Ferruginous Duck’s (Aythya nyroca) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017)

To Flee or Not to Flee: How Age, Reproductive Phase, and Mate Presence Affect White Stork Flight Decisions

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