This
colour-ringed adult (KY8) was ringed as a pullus in
1991 (now in 10cy) in the Netherlands and returned to the same place to breed.
The orange ring turned greyish after the years.LBBG 'Dutch intergrade' KY8 in 10cy, late May 2000, Maasvlakte, the Netherlands.
This
colour-ringed adult (KY8) was ringed as a pullus in
1991 (now in 10cy) in the Netherlands and returned to the same place to breed.
The orange ring turned greyish after the years.