John Brennan is devastated after thieves stole scores of his birds and killed dozens more.
The attack, which lasted around 15 minutes, was caught on a CCTV camera inside the aviary.
Mr Brennan is now considering what more he can do to improve security.
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The McCanns said they will do "whatever it takes for as long as it takes" to find their daughter, ten years after her disappearance.
Sunday will be windy with sunny spells at first.
Sunday's looking dry with sunny periods.