Based on the plant hangers on the ceiling of the Enchanted Tiki Room. They, in turn, have a very Papua New Guinea styled influence and are shaped like canoes with crocodile head prows.
From TikiLand Trading Company:
"Continuing in the series of Tiki tOny's Enchanted Tiki Room, direct from the islands, we bring you a Flower Boat Canoe, adorned with a carved head of a crocodile on one end, and a carved toucan on the other. The canoe, of course, is filled to the brim with crooning flowers. When you enjoy your favorite libation out of this mug, you may even think you're hearing the flowers sing!
This mug holds about 23oz (varies slightly mug to mug), is about 9 inches long, and is about 5 inches tall.
Designed and Sculpted by TikiLand Trading Co., in sunny Southern California. Imported."