Losse artikelen - Lutra (pdf)

Decline of the number of occupied badger (Meles meles) setts in the Veluwe region (the Netherlands) and its possible causes

2021

Uit inventarisaties blijkt dat het aantal belopen dassenburchten op de Veluwe in de afgelopen 25 jaar met 42% is gedaald in de Centrale Veluwe (192 burchten minder) en met 15% aan de randen van de Veluwe (33 burchten minder). Dit gaat zo goed als zeker gepaard met een proportionele afname van het aantal dassen. Tegelijkertijd daalde het aantal bezette kilometerhokken met 33% (112 minder bezette hokken) in de Centrale Veluwe en met 6% (11 minder bezette hokken) aan de randen van de Veluwe.

The medieval mammoth: Biomolecular identification of mammoth remains from a Dutch medieval context

2020

As part of a research project on medieval whaling activities in the Netherlands and Flanders, Belgium, Zooarchaeology by Mass-Spectrometry (ZooMS) was performed on 40 medieval archaeological “cetacean” specimens from those regions in order to find out what species the specimens represented. Interestingly, a specimen from the early medieval site of Leiderdorp-Plantage was identified as belonging to a member of the Elephantidae family.

An annotated, amended and revised list of 18th century sperm whale stranding records from the North Sea, Skagerrak and Kattegat coasts: A ‘retro-cetological’ approach using searchable digitised newspapers

2020

Searchable digitised newspapers, consulted to detect information on 18th century sperm whale strandings, revealed several hitherto overlooked records for the British (16), Dutch (1), Danish (1) and Norwegian (1) sections of the North Sea coastline as well as further details on already documented records and verified the species assignment of earlier only insufficiently documented records. A revised list of records is provided.

Fatal attraction: The death of a solitary-sociable bottlenose dolphin due to anthropogenic trauma in the Netherlands

2020

The death and behaviour prior to death of a bottlenose dolphin (Tursiops truncatus) known by the name of “Zafar” created significant national and international public interest. The animal was first observed in the Netherlands on the 2nd of May 2020, closely following a boat from Brittany, France, all the way into the port of Amsterdam after passing the locks at IJmuiden. After a day of residency in the industrial port of Amsterdam, the animal was successfully lured back into the North Sea.

The simplex and other forms of the upper third molar (M3) in the common vole (Microtus arvalis) in Zeeland, the Netherlands

2020

The frequencies of the various forms of M3 (simplex, transient and normal) in common (Microtus arvalis) voles were determined in different regions (all former islands) in the province of Zeeland, the Netherlands. A possible higher incidence of left-sidedness of simplex and transient M3 forms was also investigated. The frequency of simplex forms of M3 has not apparently been studied in any other part of the Netherlands, except for the north. Common vole specimens (1254 skulls) from owl pellets that were collected between 1995 and 2010 were studied.

A new Dutch Red List!

2020

Last month, on 3 November 2020, the Dutch government published a revised Red List of Mammals of the Netherlands in the Government Gazette. This is the second revision after the Red Lists of 1994 and 2006, so it can be called the Third Dutch Red List of mammals. Commissioned by the Ministry of Agriculture, Nature and Food Quality, the Dutch Mammal Society published a report, which formed the basis of the Red List published by the ministry (van Norren et al. 2020). The Red List is an indicator of the health of the populations of wild mammals.

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