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Article
Klemens Steiof, AuteurThe Green Sandpiper is rather secretive at its breeding grounds, and population sizes are therefore often underestimated. The population in
Article
Klemens Steiof, AuteurThe Green Sandpiper is rather secretive at its breeding grounds, and population sizes are therefore often underestimated. The population in
Article
Klemens Steiof, AuteurAn intensively singing Garden Warbler was seen and heard from 9(th) to 13(th) June 2006 near Munich airport (Bavaria, Germany). The bird did not show any normal song phrase. Instead, the phrases were similar to the "hectic and scratchy" phrases [...]
Article
Klemens Steiof, AuteurWithin five years, 187 counts of gulls were carried out at two night roosts in Berlin. In total, more than 73,000 large gulls were counted, of which about 29,700 individuals (41%) could be aged and identified at species level. The largest number[...]
