Kohlmeisen Parus major füttern Nestlinge der Amsel Turdus merula.
(von 1994 bis 2006 vergeben)
Mischbrut, Eltern, Fütterungsverhalten, Brutbiologie, Neststandort
Parus major, Turdus merula
Great Tits Parus major feeding Eurasian Blackbird Turdus merula nestlings. On a balcony 8 m above the ground, in the city of Zurich, a pair of Blackbirds and Great Tits were breeding in 2020. After the first brood of the Great Tit, in which apparently only two young fledged on 2 May, very probably the same pair started the second brood with about four eggs in the same nest box. The Blackbird’s nest was only 1.2 m away from the Great Tit’s nest box. The young Blackbirds hatched on 27 May. The young Great Tits already fledged on 3 and 4 June. The youngest Great Tit nestling, however, landed on the balcony and not in the courtyard. It was unusually small and died after two days on the balcony. From then on, the Great Tit parents increasingly oriented their feeding behaviour towards the Blackbird brood. Both Great Tits fed the five young Blackbirds continuously until they fledged on 10 June, i.e. during five days. Also the Blackbird parents continued to feed regularly. After the Blackbirds fledged, the Great Tits continued to care for their own offspring. This is probably the first published documentation of young Blackbirds being fed by Great Tits.
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