Eurasian Red Squirrel Collect Grass for Nest on Ground in Early Spring Pine Forest

red squirrel rack up collect grass nest building grass rack eurasian red squirrel eurasian sciurus vulgaris pine fetch one animal wild squirrel furry gray grey seoul forest grand park closeup behavior adorable behaviour rodent wildlife tree squirrel red pine tree collect hold mouth gather scrape store heap pile up trunk paw ground tear away tear off working low angle sunlight accumulate