Dataset

O_ASSEN - Eurasian oystercatchers (Haematopus ostralegus, Haematopodidae) breeding in Assen (the Netherlands)

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

O_ASSEN - Eurasian oystercatchers (Haematopus ostralegus, Haematopodidae) breeding in Assen (the Netherlands) is a bird tracking dataset published by the Vogelwerkgroep Assen, Netherlands Institute of Ecology (NIOO-KNAW), Sovon, Radboud University, the University of Amsterdam and the Research Institute for Nature and Forest (INBO). It contains animal tracking data collected for the study O_ASSEN using trackers developed by the University of Amsterdam Bird Tracking System (UvA-BiTS, http://www.uva-bits.nl). The study was operational from 2018 to 2019. In total 6 individuals of Eurasian oystercatcher (Haematopus ostralegus) have been tagged as a breeding bird in the city of Assen (the Netherlands), mainly to study space use of oystercatchers breeding in urban areas. Data are uploaded from the UvA-BiTS database to Movebank and from there archived on Zenodo (see https://github.com/inbo/bird-tracking). No new data are expected.

See van der Kolk et al. (2022, https://doi.org/10.3897/zookeys.1123.90623) for a more detailed description of this dataset.

These data were collected by Bert Dijkstra and Rinus Dillerop from Vogelwerkgroep Assen, in collaboration with the Netherlands Institute of Ecology (NIOO-KNAW), Sovon, Radboud University and the University of Amsterdam (UvA). Funding was provided by the Prins Bernard Cultuurfonds Drenthe, municipality of Assen, IJsvogelfonds (from Birdlife Netherlands and Nationale Postcodeloterij) and the Waterleiding Maatschappij Drenthe. The dataset was published with funding from Stichting NLBIF - Netherlands Biodiversity Information Facility.

Data have been standardized to Darwin Core using the movepub R package and are downsampled to the first GPS position per hour. The original data are available in Dijkstra et al. (2023, https://doi.org/10.5281/zenodo.10053903), a deposit of Movebank study 1605797471.

Citation
Dijkstra B, Dillerop R, Oosterbeek K, Bouten W, Desmet P, van der Kolk H, Ens B J (2026). O_ASSEN - Eurasian oystercatchers (Haematopus ostralegus, Haematopodidae) breeding in Assen (the Netherlands). Version 1.3. Research Institute for Nature and Forest (INBO). Occurrence dataset. https://ipt.inbo.be/resource?r=o_assen&v=1.3
Published
July 27, 2026 at 08:16
First registration
June 01, 2022 at 14:47
License
To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0)

Contacts

Bert Dijkstra

Rinus Dillerop

Kees Oosterbeek

Henk-Jan van der Kolk

Bruno J. Ens
Royal Netherlands Institute for Sea Research (NIOZ)

5,827
total submitted occurrences
5,827
accepted occurrences
14
measurements and facts
1
taxa
1
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 9
0.2%
maximumDepthInMeters 5,827
100.0%
minimumDepthInMeters 5,827
100.0%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 5,827
100.0%
ON_LAND 4,155
71.3%

Measurement types

DNA derived data