Siebert, Ursula, Schwemmer, Philipp, Guse, Nils, Harder, Timm, Garthe, Stefan, Prenger-Berninghoff, Ellen and Wohlsein, Peter (2012) Health status of seabirds and coastal birds found at the German North Sea coast. Acta Veterinaria Scandinavica, 54 . DOI 10.1186/1751-0147-54-43.

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Abstract

Background
Systematic pathological investigations to assess the health status of seabirds and coastal birds in Germany were performed. The investigation was conducted to obtain data on possible causes of decline in seabird and coastal bird populations.
Methods
48 individuals of 11 different species of seabirds and coastal birds were collected by the stranding network along the entire German North Sea coast from 1997 to 2008, including mainly waders such as Eurasian oystercatchers (Haematopus ostralegus) and red knots (Calidris canutus) as well as seabirds such as northern fulmars (Fulmaris glacialis) and common scoters (Melanitta nigra).
For most birds (n = 31) found dead along the shore no obvious cause of death was evident, while 17 individuals were killed by collisions with lighthouses.
Results
Overall, the nutritional status of the investigated birds was very poor, and the body mass in most cases was significantly lower compared to masses of living birds caught during the same periods of the year. This is partly linked to chronic parasitic or bacterial infections in different organs or to septicaemia. In some cases infections with zoonotic tuberculosis caused by Mycobacterium spp. were found. Avian influenza was not found in any of the collected birds.
Conclusion
The presented data contribute to the evaluation of the health status of birds in the German North Sea. Moreover, they present an important tool for the assessment of potential pathogens with an impact on the health status of seabirds and coastal birds.

Document Type:	Article
Keywords:	Seabirds Coastal birds Pathology North Sea German waters
Research affiliation:	Kiel University OceanRep > The Future Ocean - Cluster of Excellence
Refereed:	Yes
Open Access Journal?:	No
Publisher:	Springer
Projects:	Future Ocean
Date Deposited:	14 May 2014 09:35
Last Modified:	23 Sep 2019 22:27
URI:	https://oceanrep.geomar.de/id/eprint/24260

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