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Figuur 4. Voorkomen van Waterrietzangers gedurende de herfst in de periode 1994-2013 op basis van veldwaarnemingen en ringgegevens (N=676). Records of Aquatic Warblers during autumn migration for 1994-2013, based on fi eld observations and ringed birds (N=676).
Source publication
Here we compare the past and present autumn migration of
Aquatic Warbler, a scarce migrant and former breeding bird in
the Netherlands. Lighthouse and lightship victims collected
in autumn between 1887 and 1971 (but mainly before 1958), as
preserved at the National Institute for Biodiversity Naturalis,
yielded insight in past migration patterns. Ba...
