The animal had 7kg of rubbish in its stomach including coffee grounds, noodle packaging and towels
The south-east Asian country is one of the world’s largest consumers of plastic,
Officials said a 10-year-old deer was found dead in a national park in Nan province, around 630km (390 miles) north of capital Bangkok.
The discovery of the deer comes months after a sick baby dugong won hearts in Thailand as she fought for recovery,
“It shows we have to take seriously and reduce... single-use plastic,” he said, calling for “nature-friendly products” to be used instead.