kokmeeuwen, eerstejaars op voorgrond en adult op achtergrond

Update on mortality in black-headed gulls

By now it is clear that there is an increased mortality in wild birds due to high-pathogenic avian influenza (HPAI), mainly within populations of black-headed gulls. Halfway through February the DWHC and partner organizations published an article about the signs of this trend ( Read more

Update avian influenza

Since October 2020 The DWHC and Sovon have collected more than 400 dead wild birds to be tested for avian influenza virus at WBVR in Lelystad, The Netherlands.  Most of the collected birds were individuals, because the NVWA deal with the reports of 3 or more dead waterbirds.
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