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Keeping tabs on the birds in Slovenia

Keeping tabs on the birds in Slovenia
From Reuters - August 11, 2017

VRHNIKA, Slovenia (Reuters) - Scientists in an area of woodland in Slovenia are studying the migratory patterns of birds with the aid of a couple of big nets - and a lot of small rings.

In Vrhnika, 20 km (12 miles) south of Slovenia's capital Ljubljana, biologist Tomi Trilar catches the birds in a net, carefully removes them, checks their gender, then measures their length and weight, before fitting them with a small metal leg-ring.

The ring is marked with the country and city where it was fitted, as well as a unique series of numbers to allow the specific bird to be identified.

If birds which have already been ringed are caught, their numbers are noted and the data is fed to a Europe-wide network of centers - called EURING. The data gleaned helps to reveal significant insights into the birds' migratory patterns.

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