Ring colors and sizes used in the Alpine bearded vulkture reintroduction project
used rings ringe.jpg - 194 kBall ring colors and ring sizes used in the alpine reintroduction project
New versus worn (after 10 years) rings
used versus worn rings ringe2.jpg - 178 kBShown 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.