Lutra 54-1 2011

Contents Inhoud

Editorial / Redactioneel

Panta Rhei
Bastiaan Meerburg

Research papers / Artikelen

Factors determining the use of culverts underneath highways and railway tracks by bats in lowland areas
Martijn Boonman

Differentiating the echolocation calls of daubenton's bats, pond bats and long-fingered bats in natural flight conditions
Marc Van De Sijpe

Recent trends and spatial patterns in nearshore sightings of harbour porpoises (Phocoena phocoena) in the Netherlands (Southern Bight, North Sea) 1990-2010
Kees (C.J.) Camphuysen

The distribution and relative numbers in barn owl pellets of the bicoloured white-toothed shrew (Crocidura leucodon) in Zeeuws Vlaanderen: a meta-analysis
Jan Piet bekker