Hi Lore
I don’t know whether anyone has done any research particularly in relation to rat poison, although there is a scheme where dead wildlife can be reported https://www.hedgehogstreet.org/garden-wildlife-health-gwh/
Hedgehogs are protected from certain things by law, including being poisoned. So that anyone using rat poison is obligated by law to ensure that hedgehogs are not able to access any poison.
Quote from BHPS FAQs
Hedgehogs are protected, in England, Scotland and Wales, under the Wildlife and Countryside Act 1981, Schedule 6 and in Northern Ireland under the Wildlife (NI) Order 1985, Schedules 6&7.
BHPS can be accessed by clicking on their logo above. FAQs in drop down list under ‘information’.
I imagine the problem is lack of enforcement. I agree it is a worrying problem – together with roads, strimmers, etc. Poor hogs, the odds seem to be against them.
