Or possibly you 'd like to invest a long time in the Australian Wilderness, or travel across the deserts of The United States and Canada. Located deep in the Grand Canyon, there are 4 sets of falls: Mooney Falls, Havasu Falls, Navajo Falls and Beaver Falls. They are among the smallest avians, many types determine about 3 to 5 inches in length and normally weigh in between one to two tenth of an ounce.