The tongue of the strange Sun Bear (Helarctos malayanus) can be extended up to 25 cm for use in feeding. Also known as the Honey Bear, this species uses its tongue to eat honey (of course), insects, and larvae from within cavities.
Photo is © Solent News & Photo Agency
More reading:
Seed dispersal by the sun bear Helarctos malayanus in Central Borneo (1999)
Sun Bear Conservation Action Plan (1999)