zoekresultaten

Lutra 52(1)_Bunnell_2009

Growth rate in early and late litters of the European hedgehog ( Erinaceus europaeus) European hedgehogs ( Erinaceus europaeus) are thought to have two litters a year in Britain. Second or late litters would be expected to have a reduced chance of survival as they have less time available to gain

Lutra 52(1)_Editorial_2009

Darwin As dedicated naturalists, involved either professionally or on a voluntary basis, we are all acquainted with Charles Darwin’s extremely important insights, recorded 150 years ago in his famous publication ‘On the origin of species’. This anniversary is being commemorated all over the world

Lutra 52(1)_Haarsma & Tuitert_2009

An overview and evaluation of methodologies for locating the summer roosts of pond bats ( Myotis dasycneme) in the Netherlands During a long-term and intensive study in various parts of the Netherlands we employed five survey methods to find pond bat ( Myotis dasycneme) roost sites: church loft

Lutra 52(1)_Haarsma & van Alphen_2009

Tubing, an effective technique for capturing pond bats above water Several bat species, including the pond bat ( Myotis dasycneme), long-fingered bat ( M. capaccinii) and Daubenton’s bat ( M. daubentonii) hunt primarily above water and predominantly use waterways as commuting routes. Researchers

Lutra 52(1)_Kleef & Tydeman_2009

Natal den activity patterns of female pine martens ( Martes martes) in the Netherlands Maternal pine marten ( Martes martes) den activity patterns at sixteen natal dens with kittens were studied in three separated forests in the north of the Netherlands from 1998–2007, using temperature recordings

Lutra 52(1)_Thissen et al_2009

The 2006 national Red List of mammals of the Netherlands and a IUCN Regional Red List A proposal for a second Red List of mammals of the Netherlands was published in 2006 by the Society for the Study and Conservation of Mammals. Following Dutch national criteria it covers all 57 mammal species that

Lutra 52(2)_Drees et al_2009

The translocation of rabbits in a sand dune habitat: survival, dispersal and predation in relation to food quality and the use of burrows A decrease in a local rabbit ( Oryctolagus cuniculus) population can be offset by translocation and restocking the area with rabbits from other areas. However

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