1080 guessti­mate

The Press - - Opinion | Letters -

The pro-1080 ar­ti­cle in The Press (Jan 12) con­firms the claim of 25 mil­lion birds per an­num be­ing killed by preda­tors is es­sen­tially a guessti­mate.

John Innes, who cre­ated the fig­ure, con­firms this by say­ing ‘‘the big­gest guess was the num­ber of nest­ing at­tempts’’.

It is also stated that ‘‘pre­da­tion is known to cause 61 per cent of fail­ures’’.

That per­cent­age can­not pos­si­bly be an ab­so­lute ‘‘known’’ and it is com­pletely un­sci­en­tific to claim it as such.

Of equal im­por­tance is the num­ber of non-tar­get species, in­clud­ing birds and in­sects, that are also killed by 1080 in­ges­tion.

That fig­ure will be vastly greater.

B R Arm­strong, Is­ling­ton

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