Reproductive Biology and The First Record of Egg Dimension of Collared pratincole (Glareola pratincola) from Southwest Turkey

Year 2023, Volume: 11 Issue: 1, 312 - 318, 31.01.2023

Yasemin Öztürk , Leyla Özkan

Abstract

The aim of this study is to investigate the breeding biology of Collared pratincole, a migratory bird species in Antalya/Boğazkent (Turkey). There are a lot of habitat types in research area of 200 ha. This speciality serves great biodiversity. Field work was carried out from March to October between 2016 and 2017. 35 individuals and 16 nests were found in the first year and 25 individuals and eight nests in the next year. The egg volume has been calculated according to the formulation V=0.51 X L X W2 while egg index has been figured with regard to EI=100xW/L formulation. According to the hatchling size, the breeding success of the species was 86.7% in 2016 and 85.7% in 2017.Considering the fledgling size, the figures were 46.4% in 2016 and 66.7% in 2017 respectively. Many factors affecting the breeding success of the species were specified in the region. Hooded crows (Corvus cornix), for example, was detected as being the natural predator of the species. Furthermore, the invasion of the breeding areas by humans and human-related activities such as construction, tourism and agriculture also harmfully affects the breeding success. According to our study Antalya/Boğazkent is a very important bird area in Turkey.

Keywords

Breeding success, Bogazkent, egg index, Glareola pratincola, productivity, Turkey

Supporting Institution

Burdur Mehmet Akif Ersoy University

Project Number

307-NAP16

Thanks

The study was funded by Burdur Mehmet Akif Ersoy University Scientific Search Project Unit for support (307-NAP16 project number)

Bataklık Kırlangıcı'nın (Glareola pratincola) üreme biyolojisi ve yumurta boyutunun ilk kaydı

Abstract

Bu çalışmanın amacı Antalya/Boğazkent’te göçmen bir kuş türü olan Bataklık Kırlangıcı (Glareola pratincola)’nın üreme biyolojisinin incelenmesidir. Yaklaşık 200 hektarlık araştırma alanında, pek çok farklı habitat tipi vardır. Bu özelliği geniş bir biyoçeşitlilik sunmaktadır. Arazi çalışmaları 2016-2017 yıllarında Mart’tan Ekim’e kadar gerçekleştirilmiştir. İlk yıl alanda 35 birey ve 16 yuva, sonraki yıl ise 25 birey ve 8 yuva bulunmuştur. Yumurta hacmi V=0.51 X L X W2 formülüne göre, yumurta indeksi EI=100xW/L formülüne göre hesaplanmıştır. Türün üreme başarısı, açılan yumurta sayısına göre, 2016 yılında %86.7 ve 2017 yılında %85.7, juvenil yavru sayısına göre 2016’da % 46.4, 2017’de % 66.7’dir. Bölge’de türün üreme başarısını etkileyen pek çok faktör tespit edilmiştir. Örneğin, Leş kargası (Corvus cornix), türün doğal predatörü olarak belirlenmiştir. Aynı zamanda üreme alanlarının insanlar tarafından işgal edilmesi, yapılaşma, turizm ve tarımsal aktiviteler de üreme başarısını olumsuz yönde etkilemektedir. Çalışmamıza göre Antalya/Boğazkent, Türkiye’deki çok önemli bir kuş alanıdır.

Keywords

Üreme Başarısı, Boğazkent, Yumurta indeksi, Glareola pratincole, Üreme, Türkiye

Project Number

307-NAP16

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