Gabriel Casadevall

Describes the physical characteristics, habitat, behavior, and different kinds of these armored invertebrates.

Examines the different types of primates, their habitats, behavior, family life, and locomotion.

Describes the physical characteristics, habitat, behavior, and life cycle of these flat fish, some of which have organs that can produce electricity.

Describes the physical characteristics, habitat, behavior, and life cycle of this umbrella-shaped sea animal.

Describes the physical characteristics, habitat, behavior, and life cycle of these tiny, leaping parasites.

Describes the physical characteristics and habits of moles, animals known for their ability to dig.