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Kleinst Waterhoen

Zapornia pusilla  ·  Baillon's Crake

id 24534
datum 11 juni t/m 4 augustus 1971: 55 dagen
gemeente Amsterdam (NH)
locatie Bijlmermeer
coördinaten vervaagd
aantal, kleed 16
soort waarneming veldwaarneming
status Aanvaard, gepubliceerd in jaarverslag CDNA
opmerkingen four breeding pairs, two successful (possibly three), four to eight adult (number varying from four on June 11-12 to eight on June 29), singing until beginning of July, one egg collected (Naturalis collection), one male phonographically documented (19-20 June: first hatching, June 19, nest with one egg, June 20, nest with one predated egg (presumably by Water Shrew (Neomys fodiens); June 22 to July 12: second breeding case, 22 June, nest with three eggs, 25 June, nest with four eggs, July 12, nest with four pulli; July 14-August 4: third breeding, July 14, nest with four eggs, July 17, nest with five eggs, August 4, nest with four pulli and one hull egg; July 23: fourth nesting case, nest with one peninsula (Limosa 46: 78, 1973; Veling 1971, Oreel 1979, Bird Working Group Avifauna West Netherlands 1981, Hazevoet 1985, Vlek 1995, 2000, van den Berg & Bosman 2001, cf Ruitenbeek et al. 1990). [In van den Berg & Bosman (2001) stated end date (5 August 1971) incorrect. Recording (J W de Roever) makes a man heard.]

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