From 1 January 2024 you will need to apply for a specific licence to take or kill a magpie in Wales for any purpose. That includes the use of magpie as a call bird in cage traps (Larsen, Ladder etc.).
Magpie had been dropped from the 2023 general licence for the purpose of conserving wild birds and will not be on the 2024 general licence for that purpose. Magpie was on the 2023 general licence for the purpose of preventing serious damage or spread of disease to livestock, foodstuffs for livestock, crops, vegetables or fruit but will be dropped from the 2024 general licence for that purpose. This means that from 1 January 2024 magpie will not be covered by any general licence in Wales, which is a precedent in the UK for this species since general licences first came into being in the 1990s - under a UK-specific derogation from EU directives for the protection of birds.
The reasoning that Natural Resources Wales (NRW) gave for the removal of magpie is in relation to species population data and that is outlined here:
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ymgynghori.cyfoethnaturiol.cymru
The 2024 Welsh general licences for species such as Canada goose, carrion crow, feral pigeon, jackdaw and woodpigeon have been published and are here:
naturalresources.wales