Final answer:
The tambourine is the percussion instrument that concludes the third movement of Symphony No. 1, providing a spirited finish to the piece.
Step-by-step explanation:
The percussion instrument that ends the third movement of Symphony No. 1 is the tambourine. This detail is present in historical references, where the tambourine has been noted in various classical music compositions and settings.
The use of a tambourine can give a lively and closing feel to the piece, which is why it might be used towards the end of a musical movement. Composers have long employed the tambourine to add a distinctive rhythmic accent at the climax or conclusion of a movement within a symphony.