Higgins Bond

Presents information about fish, describing their physical characteristics and discussing different ways in which they are threatened, from the dumping of chemicals into waterways, to overfishing, to deforestation, and what scientists have done to help.

Examines the ecosystems that support the survival of bats as well as efforts to save the mammals, introducing readers to ways human action or inaction can affect bat populations.

Examines the environmental needs of birds around the world and the effect that human behavior has had on their ability to survive, with examples of the efforts being made by scientists and conservationists to save specific species of birds.

An introduction to animal sleeping habits.