zoekresultaten

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

Lutra 54(1)_Meerburg_Editorial_2011

Panta rhei Panta rhei is the ancient Greek expression for ‘everything flows.’ It is a valuable aphorism for all aspects of life. The famous Greek philosopher Heraclitus (who lived around 600 B.C.) is said to have remarked: “Only change itself is a real, constant and eternal flux, like the continuous

Lutra 54(1)_Van De Sijpe_2011

Differentiating the echolocation calls of Daubenton’s bats, pond bats and long-fingered bats in natural flight conditions Echolocation calls of the three European species of trawling bats were studied in their natural habitats, during hunting, commuting and swarming activities. Daubenton’s bats (

Lutra 54(2)_Camphuysen & Krop_2011

Maternal care, calf-training and site fidelity in a wild harbour porpoise in the North Sea Direct, undisturbed observations of interactions of mother and offspring in harbour porpoises ( Phocoena phocoena) in the wild are extremely rare. Because harbour porpoises are seldom held and hardly breed in

Lutra 54(2)_Cornelis_2011

First recording of the soprano pipistrelle ( Pipistrellus pygmaeus) in the Netherlands In the early 1990s, the soprano pipistrelle ( Pipistrellus pygmaeus) was recognised as a separate (cryptic) species. It is now considered to be widespread in Europe, but was unknown in the Benelux countries until

Lutra 54(2)_Editorial_Bekker_2011

The mammalogist’s toolkit The use of tools by mammals is an exceptional phenomenon (van der Grift 2010). By contrast Homo sapiens use tools for most of their activities. But what tools do we need for scientific mammal research? A brief historical review will help put this question in perspective

Lutra 54(2)_Grol et al_2011

The influence of a Christmas market on hibernating bats in a man-made limestone cave It is generally acknowledged that human activity in bat hibernacula can disturb hibernating bats and that such activities need to be appropriately managed. The intensive commercial exploitation of limestone

Lutra 54(2)_Van Den Berge & Gouwy_2011

Hot spot for pine marten ( Martes martes) and first record of a natal den in Flanders (Belgium) From 2000 to 2011, pine marten ( Martes martes) reproduction has been regularly recorded in a small forest complex of about 250 hectares in the north of the Province of East Flanders (Flanders, Belgium)

Lutra 54(2)_van den Brink et al_2011

Estimating population differentiation between isolated root vole ( Microtus oeconomus) populations in the Netherlands using geometric morphometrics We investigated morphological differentiation in threatened populations of the root vole subspecies Microtus oeconomus arenicola, measured by using

Lutra 55(1)_Chanin & Gubert_2012

Common dormouse ( Muscardinus avellanarius) movements in a landscape fragmented by roads The common dormouse ( Muscardinus avellanarius) is widespread in Europe but populations have declined in some countries as a result of habitat loss and fragmentation. A population of common dormice living beside

Lutra 55(1)_de Vooys et al_2012

Analyses of four centuries of bounty hunting on seals in Zeeland, SW-Netherlands For centuries, bounty hunts for seals ( Phoca vitulina) were conducted in the Province of Zeeland (SWNetherlands). Records of bounties paid for seals hunted in that area have been archived by the province of Zeeland

Lutra 55(1)_Haigh et al_2012

Courtship behaviour of western hedgehogs ( Erinaceus europaeus) in a rural landscape in Ireland and the first appearance of offspring A study was conducted to investigate the timing of the breeding season of western hedgehogs ( Erinaceus europaeus) in a rural landscape in Ireland, their courtship

Lutra 55(1)_Kuipers et al_2012

The diet of the garden dormouse ( Eliomys quercinus) in the Netherlands in summer and autumn The food of the last remaining population of garden dormouse ( Eliomys quercinus) in the Netherlands is studied by means of analysing faecal samples, collected in the summer and autumn of the year 2010. In

Lutra 55(1)_Smeenk_2012

Book review: The harbour porpoise in the Netherlands: will it get the care it deserves? An urgent conservation plan Conservation plan for the Harbour Porpoise Phocoena phocoena in The Netherlands: towards a favourable conservation status. Kees (C.J.) Camphuysen & Marije L. Siemensma 2011. NIOZ