Morris the midget moose (1950)

A bootle beetle elder tells the story of Morris, the moose about the size of a rabbit. Thunderclap the moose is taking on all challengers, and Morris decides to try, much to the amusement of Thunderclap. As a result, he meets Balsam, a full-size moose with tiny antlers (Morris' antlers are full size). The two team up, and with the help of a log that makes them very tall, defeat Thunderclap.