Versions:

5.4.2
5.4.1
5.3.17
5.3.15
5.3.14
5.3.11
5.3.10
5.3.9
5.3.8
5.3.7
5.3.6
5.3.5
5.3.4
5.3.3
5.3.2
5.3.1
5.3.0
5.2.9
5.2.8
5.2.6
5.2.5
5.2.4
5.2.3
5.2.2
5.2.1
5.2.0
5.1.233
5.1.227
5.1.223
5.1.221

MultiBaseCS BirdBase 5.4.2, released by 34u GmbH, is a specialized ornithological data-management application developed for the Hiddensee bird-ringing centre on the German Baltic island of the same name. The program belongs to the scientific database category and is designed to store, validate, and evaluate the large volumes of biometric and observational data generated during the long-term bird-ringing and migration-monitoring programs run by the station. Ringers and field biologists use the software to record capture details (species, age, sex, moult, fat score, wing length, weight), assign unique metal or colour ring combinations, track recapture histories, and export standard formats for the European Union for Bird Ringing (EURING) data exchange. Built-in checks for plausibility, taxonomic consistency, and duplicate detection help maintain the integrity of a dataset that now spans more than three decades and 30 consecutive software versions, making it one of the most continuously maintained ringing databases in Central Europe. Beyond daily ringing operations, researchers exploit the accumulated data to analyse phenological shifts, migratory connectivity, survival rates, and population trends of passerines and near-passerines that migrate through the South-Western Baltic. The application supports batch import from electronic balances, calipers, and barcode scanners, generates customizable reports and maps, and offers role-based user management so that volunteers, students, and senior scientists can collaborate without compromising sensitive locality or ringer information. MultiBaseCS BirdBase is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.

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