Bill Ivy

Describes the physical characteristics, habits, and habitats of these long-tailed, four-footed reptiles, many of whom look like miniature dinosaurs

Describes the life cycle, habitat and characteristics of the salamanders.

Describes the physical characteristics, habits, and habitats of these wild sheep who live in the western mountains of North America and whose males have large curving horns that eventualy become spiral-shaped

Explains the physical characteristics, behavior, diet, habitat, and geographical distribution of the Mallard duck.

Describes the physical characteristics, habits, and habitats of the three species of North American weasles.

Describes the physical characteristics, habits, and habitats of these eight-legged creatures

Describes various kinds of Asian and African monkeys, their physical and behavioral characteristics, and their mating habits.

Presents information about gulls, including their physical characteristics and their eating, mating, nesting, and migrating behavior.

Describes the characteristics, life cycle and habitat of the beetles.