Presents an introduction to the continent of South America, and provides information on its geography, plant and animal life, environment, and its people.
how scientists find, follow, and study wild animals
Sayre, April Pulley
1997
Describes the work of field scientists who study animals in their natural habitats, discussing the challenges of finding the animals, tracking them, and recording data about them.
studying the calls and songs of whales, elephants, and birds
Sayre, April Pulley
2002
Examines the work of several bioacousticians, scientists who study the sounds made by living creatures, discussing the results and importance of their research.