IS THE WOOD SANDPIPER TRINGA GLAREOLA (Aves Scolopacidae) REGULAR WINTERING IN SICILY?

Salvatore Surdo

Risultato della ricerca: Comment/debatepeer review

Abstract

The Wood Sandpiper Tringa glareola is a relatively common wader species breeding in Scandinavia (except the South) and further East in Finland, the Baltic States and Russia, all the way to the Bering Strait (CRAMP & SIMMONS, 1983) and from 1969 irregular breeding in North America, Aleutine islands (WHITE et al., 1974). According to data reported in bibliography it is considered as an occasional wintering, a transaharan migrant common during migrations, but irregular in winter (BRICHETTI & FRACASSO, 2015). The species is subdivided into four biogeographic populations. A waterbird “population” can be defined as a distinct assemblage of individuals which does not experience significant emigration or immigration. This definition can only be fulfilled if the interchange of individuals between populations remains at a low level. The degree to which exchange of individuals occurs will determine gene flow and hence the justification for recognizing subspecies or merely populations. In Italy the North-WestEurope/West Africa population occurs, with breeding range in Scandinavia, Baltic and wintering range in West Africa (source: www.wpe.wetlands.org - Waterbird Population Estimates online database – May 2018 - North-West Europe: Belgium, Denmark, Finland, France, Germany, Iceland, Ireland, Luxembourg, the Netherlands, Norway, Sweden, the United Kingdom and Northern Ireland. West Africa: Benin, Burkina Faso, Cameroon, Cape Verde, Chad, Ivory Coast, the Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Togo). Similarly to the methodology of many winter ornithological atlases (FORNASARI et al. 1992; FRAISSINET, 1995; CUCCO et al., 1996; STIVAL, 1996; TELLINI FLORENZANO et al., 1997; BIONDI et al., 1999) we collected 52 sightings of Wood Sandpipers from Sicily during 16 of the last 23 winters (1 December-15 February, 1996–2018). We obtained data through: a) bibliographic survey; b) regional ornithological mailing-list (Ebn Sicilia birdwatching); c) interview to ornithologists and birdwatchers; d) Ornitho; e) periodical visits in suitable sites. Only observations documented by photos or by observers with tested experience were considered. All our observations and photos have been uploaded on Ornitho platform.
Lingua originaleEnglish
pagine (da-a)177-181
Numero di pagine5
RivistaNATURALISTA SICILIANO
VolumeXLII
Stato di pubblicazionePublished - 2018

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