Gordon the lurcher spent five months in rehabilitation after the incident, which left him with a fear of people.
Between March and June, the charity has cared for nearly 3000 animals and released 700 back into the wild.
The Scottish SPCA is investigating the 'suspicious circumstances' surrounding the incidents in North Ayrshire.
Like many organisation, the Scottish SPCA has faced shortages of the product due to the coronavirus pandemic.
The Scottish SPCA was alerted to the colt in East Ayrshire on Friday morning.
A local resident managed to free the injured bird by removing the pole trap from its leg in Midlothian.
The bird was rescued after being spotted by a member of the public with plastic fixed around its lower beak and tongue.
The Scottish SPCA launched a rescue mission to make sure the family made it safely to water.
The animal is now being cared for by the Scottish SPCA and will be released back into the wild when older.
The stray Labrador cross is now being cared for by the Scottish SPCA.
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Those that set traps and snares are legally obligated to return once within every 24 hours.
The dog was believed to be aged between five and eight-weeks-old.
The Scottish SPCA is in urgent need of pet food as donations have decreased due to the coronavirus outbreak.
The animal, thought to be just weeks old, was 'severely underweight', the Scottish SPCA said.
Scottish SPCA was contacted by a local vet after the animal was found on Monday morning.