The Red-throated Squirrel has records from northern Vietnam. In a 2025 survey it was larger than co-occurring D. ornatus and recorded in the upper mountain-forest belt.
The 2025 paper describes D. gularis as larger than co-occurring D. ornatus.
A northern Vietnam survey found two males, one adult and one juvenile, at about 2,000 m. The authors suggest it may prefer the uppermost mountain-forest belt.
An extinction-risk assessment has not been added yet.