Travel Reference
In-Depth Information
2
Evolution
Figure 22
At fl ood, the rivers of the upper Amazon basin overfl ow into lakes that line their
shores. Here a lake near the Marañòn River, covered with edible water lettuce
Pistia stratiotes
,
provides an ideal habitat for Hoatzin birds. In this chapter we will explore how the evolution of
these astonishing birds has cast strong light on how evolution really happens.
