The birds were shot at Norton Mills lake in North Stainley, which could have put people's lives at risk as well.
Police say the eight geese and swans were shot and left to die.
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Monday proves a brighter, colder day than Sunday. A breezy day, the wind turning to become more W/NW'erly 15-20mph
Emma Jesson brings you Sunday night's forecast
Wet and windy spells, interspersed with drier interludes this week. Breezy with wintry showers, variable temperatures and a weather warning