zoekresultaten
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Lutra 52(2)_Editorial_2009
Hedgehogs This year, the Society for the Study and Conservation of Mammals, the publisher of this journal, proclaimed the western hedgehog ( Erinaceus europaeus) as the Mammal of the Year. At the same time, the German Schutzgemeinschaft Deutsches Wild and the City of Antwerp did the same thing. Thus -
Lutra 52(2)_Haarsma & van Alphen_baldness & pond bats_2009
Partial baldness in relation to reproduction in pond bats in the Netherlands Temporary bald spots in mammals are usually related to moult. Alternatively, they may be a sign of bad health, or a side effect of hormones. Pond bats ( Myotis dasycneme) commonly show partial baldness. Using data from more -
Lutra 52(2)_Haarsma & Van Alphen_chin spots & pond bats_2009
Chin-spot as an indicator of age in pond bats In field studies of animal populations, it is often useful to be able to assess the age of an individual. In this paper we investigate the use of chin-spots as an indicator of age in pond bats ( Myotis dasycneme). During six years of research, from 2002 -
Lutra 52(2)_Herr & Schley_2009
Barbed wire hair traps as a tool for remotely collecting hair samples from beavers ( Castor sp.) The recolonisation of much of Europe by the Eurasian beaver ( Castor fiber) entails new management, conservation and research challenges. DNA analysis can function as a powerful method in this respect -
Lutra 52(2)_Hof & Bright_2009
The value of green-spaces in built-up areas for western hedgehogs With ongoing urbanisation an increasing number of wildlife species face rising levels of pressure due to habitat loss and fragmentation. The impact of urbanisation on species has been mainly investigated for avian life. It is however -
Lutra 53(1)_Camphuysen et al_2010
Mammalian prey in Laridae: increased predation pressure on mammal populations expected The occurrence of mammalian prey in the diet of two species of large gulls, the herring gull ( Larus argentatus) and the lesser black-backed gull ( Larus fuscus), was investigated in order to quantify and compare -
Lutra 53(1)_Grol & Voute_2010
Hibernating bats in the Schenkgroeve, an artificial limestone cave in south Limburg, the Netherlands Between 1944 and 2010, sixty-one yearly winter bat surveys were carried out in the Schenkgroeve, a man-made, now abandoned, underground limestone excavation in Meerssen, in the south of the Province -
Lutra 53(1)_MacPherson & Bright_2010
A preliminary investigation into whether grazing marsh is an effective refuge for water voles from predation The water vole ( Arvicola amphibius) has suffered a massive and rapid decline in the UK recently, due to habitat fragmentation and predation by American mink (Neovison vison). The spatial -
Lutra 53(1)_van der Grift_Editorial_2010
Tools What is life without tools? For most of us, life may seem impossible without tools. Tool making and tool use is, without doubt, an indispensable part of human society, whether we live in the developed world or in more ‘primitive’ societies that still rely on hand tools for agriculture, hunting -
Lutra 53(2)_Dekeukeleire_2010
First record of soprano pipistrelle ( Pipistrellus pygmaeus Leach, 1825; Chiroptera: Vespertilionidae) in Wallonia (Belgium) The soprano pipistrelle, Pipistrellus pygmaeus, is a cryptic species that highly resembles the common pipistrelle, Pipistrellus pipistrellus (Barrett et al. 1997). Jones & -
Lutra 53(2)_Dekker & Bekker_2010
Badger ( Meles meles) road mortality in the Netherlands: the characteristics of victims and the effects of mitigation measures Of the badger ( Meles meles) population in the Netherlands of the 1980s, a high percentage (locally up to 25%) of the population was killed yearly by road traffic. This led -
Lutra 53(2)_Haelters et al_2010
The first historic record of a humpback whale ( Megaptera novaeangliae) from the Low Countries (Southern Bight of the North Sea) In 1751 the corpse of a large whale was found floating at sea near Blankenberge (currently Belgium). The case was illustrated at the time by a water-colour of the whale -
Lutra 53(2)_van Laar_book review_2010
Book review: Zoogdieren in Europa Veldgids Europese zoogdieren. P. Twisk, A. van Diepenbeek & J.P. Bekker 2010. KNNV Uitgeverij, Zeist, Nederland. 368 pp. ISBN 978 90 5011 260 4 [in Dutch]. Na de Zoogdierengids van Mr. F.H. van den Brink (1955), waarvan tussen 1955 en 1977 vier, steeds bijgewerkte -
Lutra 53(2)_Verboom & Huitema_2010
The influence of treeline structure and wind protection on commuting and foraging common pipistrelles ( Pipistrellus pipistrellus) The influence of wind protection on the activity and distribution of commuting and foraging common pipistrelles ( Pipistrellus pipistrellus) was examined in an area with -
Lutra 53(2)_Verboom_Editorial_2010
The bat, the weevil and other ‘species’ The International Year of Biodiversity, as declared by the United Nations, is coming to an end. Worldwide, there have been many biodiversity conferences, lectures, celebrations, competitions, even ‘bioweeks’, all meant to increase understanding about -
Lutra 53(2)_Wermundsen & Siivonen_2010
A comparison of the hibernation patterns of seven bat species in Estonia We investigated whether bat species with a more northerly border of distribution would hibernate in colder conditions and use fewer crevices and clusters for hibernation than species with a more southerly northern border of -
Lutra 53(2)_Zeiler & Kompanje_2010
A killer whale ( Orcinus orca) in the castle: first find of the species in a Dutch archaeological context Bones and other non-skeletal remains of animals, such as antlers, shells, fish scales and remains of insects, are frequently found in archaeological sites (Bakels & Zeiler 2005). By studying -
Lutra 54(1)_Bekker_2011
The distribution and relative numbers in barn owl pellets of the bicoloured white-toothed shrew ( Crocidura leucodon) in Zeeuws-Vlaanderen; a meta-analysis Changes in the distribution of the bicoloured white-toothed shrew ( Crocidura leucodon) in Zeeuws- Vlaanderen (Province of Zeeland, the -
Lutra 54(1)_Boonman_2011
Factors determining the use of culverts underneath highways and railway tracks by bats in lowland areas In urbanising environments the construction of suitable underpasses for bats under highways and railway tracks is becoming increasingly important to avoid habitat fragmentation. Culverts provide -
Lutra 54(1)_Camphuysen_2011
Recent trends and spatial patterns in nearshore sightings of harbour porpoises ( Phocoena phocoena) in the Netherlands (Southern Bight, North Sea), 1990-2010 The harbour porpoise ( Phocoena phocoena) returned in Dutch waters in the late 20th century after a near-absence of three decades. Gradually