A breeding colony of Grey Herons near Kiel, Schleswig-Holstein
DOI:
https://doi.org/10.21248/corax.v25.139Abstract
In 2011 the first breeding pair of Grey Heron Ardea cinerea
could be seen in a new colony in Domänental, near
Kiel in Schleswig-Holstein. Until 2022 this colony developed
on a small island, located in a rainwater holding
reservoir. We already informed about this location, as
well as about breeding parameters and breeding biology
(Berndt & Berndt 2020, 2021). A further summary of
observations might be useful, not only for updating the
number of pairs. Each year we can observe new insights
into breeding and behavioral biology, which is not usual
for other colonies in Schleswig-Holstein.
Earliest dates of egg laying, hatching and fletching in
2022 were 23. January, 17. February, and 7. April resp.
Average date for all visible nests were 12. February, 11.
March and 28. April. In comparisson to other Heron
colonies in Schleswig-Holstein the colony in Domänental
is different in lower nesting locations, less fledgelings,
less second breedings, less last year´s birds in
the colony, and a higher frequenct presence during the
winter month.
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