Several baby mice were found 'screaming in pain' in a trap in Glasgow.
The Scottish SPCA (SSPCA) say they discovered the four rodents stuck in a trap in the city recently.
After that, the small animals were euthanised to relieve them of the 'horrifying pain and suffering' they were in.
It comes as the charity has issued a warning about the dangers of 'deadly glue traps' after a series of incidents across the country which have killed and injured various wildlife.
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The SSPCA has long been opposed to the use of glue traps, which are trays coated with a sticky adhesive typically used to trap rodents and animals classed as vermin.
On top of the mice being found in Glasgow, on August 22 in the Grassmarket area of Edinburgh, two robins met a 'horrific death' after becoming stuck in a glue trap.
A special investigations inspector said: “The poor things were stuck by their front and legs.
"It meant that every time they tried to free themselves, the glue would have been ripping their feathers out with every movement.
“Sadly, as the injuries were so severe and removing the glue would have caused the robins even more pain and suffering, the difficult decision was made to put them both to sleep.”
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Meanwhile, a long-eared bat was also put to sleep at the weekend after the underside of their wings and an ear were stuck to a glue trap in Aberdeenshire that was used for insects.
The inspector continued: “The Scottish SPCA does not support their use as these traps are indiscriminate and will cause unnecessary suffering to any bird or animal caught in them.
“Those setting the traps are obliged to stop unnecessary suffering by checking them regularly but there is no way of monitoring or enforcing this.
"Many of these traps are set in the wrong place which means birds and other animals can be trapped.
“It’s an inhumane method of pest control that has no place in modern society.”
A spokesperson for the SSPCA added: "If anyone finds a trapped animal in distress or spots a trap or snare they suspect is illegal, please do not hesitate to contact our confidential animal helpline on 03000 999 999."
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