Ring colors and sizes used in the Alpine bearded vulkture reintroduction project

used rings
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all ring colors and ring sizes used in the alpine reintroduction project

New versus worn (after 10 years) rings

used versus worn rings
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Shown are new rings versus worn rings after 10 years on the birds in the fields

According to Hans Frey as from the year 1994 a broader version of the aluminium colour rings has been used for banding.

Report IOD 2016 - online now!

You can now download the report IOD 2016 under Downloads.