These three figurines do not come from Mantle's Cave, but were among twelve anthropomorphic bird and animal figurines found at Marigold Cave (5MF9), also in Yampa Canyon. Marigold Cave was explored by ...

In fact, bird migration is probably the biological ... a trip sometimes involving thousands of kilometres (Figure 4; Dingle 1996). Some migratory animals forage along their migratory routes ...