Showing results for "Cycles" in Zoology

From butterflies to sunflowers, each living thing follows a life cycle. Uncover the facts of both animal and plant life cycles, and learn how people's actions can impact them.

Have you ever heard of a bird that lays its eggs on the ground instead of in a nest? What about a bird that lays eggs in other birds' nests? Young listeners will learn all about killdeers, cuckoo birds, and other birds with unusual life cycles.

Have you ever heard of a reptile that spends most of its life in an egg? What about a reptile that has to lay its eggs on the same beach where it was hatched? Young listeners will learn all about Madagascar chameleons, sea turtles, and other reptiles with unusual life cycles.

Have you ever heard of an invertebrate that spends its whole life inside another animal? What about a beetle that spends most of its life underground? Young listeners will learn all about lancet flukes, Hercules beetles, and other invertebrates with unusual life cycles.

Have you ever heard of a male fish that carries eggs? What about a fish that gives birth to live young? Young listeners will learn about seahorses, guppies, and other fish with unusual life cycles.

Have you ever heard of a frog that freezes solid in winter? What about a toad that carries its eggs on its back? Young listeners will learn all about wood frogs, Suriname toads, and other amphibians with unusual life cycles.

Hi, there! I'm an emperor penguin. I might be the largest penguin on Earth, but I started life much smaller, just like you! Learn more about my life cycle and how I went from an egg to the king of Antarctica.

Hi, there! I'm a monarch butterfly. You’ve probably seen me fluttering around, but have you ever stopped to think about where I came from? Learn more about my life cycle and how I went from a tiny little caterpillar to a beautiful butterfly.

¡Hola! Soy una mariposa monarca. Seguramente me has visto revoloteando por ahí, pero ¿te has puesto a pensar de dónde vengo? Aprende más sobre el ciclo de mi vida desde oruguita chiquita hasta bella mariposa.

Have you ever heard of a mammal that lays eggs? What about a mammal that can give birth to 50 babies at once? Young listeners learn all about echidnas, Tasmanian devils, and other mammals with unusual life cycles.

Insects, fish, reptiles, birds, amphibians, and mammals make up the six main animal groups. But did you know that each of these groups has a different life cycle? Or that each group has specific stages of growth? This fascinating book investigates the life cycle of each animal group.

What does it mean to migrate? Discover which animals migrate and why they migrate.