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Four large, and very dead, greylag geese now share our small hide.

Konrad Lorenz is best known for his work with greylag geese.

The state pays tens of millions of euros to farmers every year to compensate for damage to crops caused by greylag, barnacle and white-fronted geese.

Some of his visitors travel more than 15 hours by plane for a 35-minute ride with Moullec and his avian companions, often spotting cranes and geese like the brent, barnacle, red-breasted, and greylag species.

Almost 1,800 greylag goose eggs have been destroyed at Victoria Park in east Belfast to prevent birds from flying into the engines of nearby aeroplanes.