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Articles

Breeding biology of sympatric Laughing Streptopelia senegalensis and Turtle Streptopelia turtur Dove: a comparative study in northeast Algeria

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Pages 220-226 | Received 16 Mar 2015, Accepted 04 May 2015, Published online: 09 Jun 2015
 

Abstract

The Turtle Dove and Laughing Dove display distinct behavior and are morphologically and genetically different. However, microhabitat selection and reproductive success details of the two species are still poorly studied. The geographic distribution of the Laughing Dove in North Africa has clearly expanded nowadays. The breeding ecology and nest placement of this species have been studied previously, but little is currently known about its life history in Algeria. This study aimed to provide the basic information on the breeding biology of the Laughing Dove in Algeria. During two consecutive breeding seasons (2013–2014), the clutch size, brood size, chick survival, timing of breeding, densities of breeding pairs, nest placement, and the main causes of nest failure of the sympatric Laughing Dove and Turtle Dove were studied in an olive orchard in Guelma region, northeast Algeria. Clutch size, brood size, chick survival, the estimated productivity, and nest placement of the two species were similar but timing of breeding and population densities were significantly different. Finally, the largely coincident egg-laying period and the similar clutch size of the two species seem to be the main factors behind their similar survival rate and productivity in our study area.

Paprastieji ir mažieji purpleliai skiriasi morfologiškai, genetiškai ir elgesiu. Šių rūšių veisimosi sėkmė ir mikrobuveinių pasirinkimas ištirti nepakankamai. Apie mažojo purplelio biologiją ir ekologiją Alžyre žinių trūksta, nors rūšies geografinis paplitimas Šiaurės Afrikoje plečiasi. Tyrimo tikslas – apibendrinti informaciją apie mažojo purplelio perėjimo biologiją Alžyre. Guelmo regione (Šiaurės Rytų Alžyras) 2013–2014 metų perėjimo sezonų metu alyvmedžių sode buvo tirti simpatriškai gyvenančių mažųjų ir paprastųjų purplelių dėties ir vados dydžiai, jauniklių išgyvenamumas, perėjimo laikas, perinčių porų tankumas, lizdų vietos pasirinkimas ir nesėkmingo perėjimo priežastys. Dėties ir vados dydžiai, jauniklių išgyvenamumas, vislumas ir lizdaviečių pasirinkimas buvo panašūs, tačiau perėjimo laikas ir populiacijos tankumas reikšmingai skyrėsi. Panašų šių paukščių rūšių išgyvenamumą ir vislumą tirtame regione veikiausiai nulemia sutampantis kiaušinių dėjimo laikas ir panašus dėties dydis.

Acknowledgments

We are very grateful to Susana Dias, Stephen Browne, and Patrick Bergier for their helpful suggestions and to Jihen Boukhriss for her help. We thank the management of agriculture for their help. Also, we thank Ashraful Kabir and an anonymous reviewer for their valuable comments.

Disclosure statement

No potential conflict of interest was reported by the authors.

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