id	29681
datum	24 t/m 25 maart 2001: 2 dagen
gemeente	Rotterdam (ZH)
locatie	Maasvlakte
coördinaten	N 51.98361  O 4.0382
aantal, kleed	1, eerste-zomer
soort waarneming	veldwaarneming
status	Aanvaard, gepubliceerd in jaarverslag CDNA
waarnemer(s)	S. Bot. M. Bot, J. van Holten et al
opmerkingen	24-25 March, Maasvlakte, Rotterdam, Zuid-Holland, first-summer female, photographed (S Bot, M Bot, J van Holten et al; Birding World 14: 98, 2001, Dutch Birding 23: 167, plate 188-189, 2001). These three birds were already accepted as S undata. The subspecific identification was largely based on plumage differences explained by Constantine et al (2012). Assessment was somewhat hampered by the fact that at least some nominate S u undata seem to show brownish upperparts (eg, in parts of Italy; www.pbase.com/dophoto/magnanina). Still, based on current knowledge, the CDNA decided that identification as S u dartfordiensis was justified. A fourth record identified as this subspecies (Westkapelle, Zeeland, on 2-7 November 2013) was already mentioned in Haas et al (2014). Annual Report 2014.

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