Saint Catherine’s Park Birding Dublin This linear park along the River Liffey in Lucan, County Dublin is popular for bird watching. There are regular sightings of Jay, Kingfishers and Tree Creepers. JayGrey SquirrelTreecreeperBlackbirdGrey SquirrelSiskinBlackcapMallard (Female)CormorantCormorantRobinLong-tailed Tit