What's really going on in this picture of a basilisk lizard and a blue morpho butterfly? Submit your captions suggestions now.

Seasonal changes impel a wide variety of creatures to begin their epic migrations. Watch the full episode now.

Many animals have a special ability to transform themselves, for the sake of survival, reproduction, or both.

Every fall, thousands of monarch butterflies fly west to their wintering grounds in California and Mexico, covering the trees with their bright shimmering wings.

Life is no picnic:amidst the carefully planted flowers and neatly clipped grass there lies a hidden world which is revealed in the NATURE program SECRET GARDEN.

Life is no picnic:amidst the carefully planted flowers and neatly clipped grass there lies a hidden world which is revealed in the NATURE program SECRET GARDEN.

Life is no picnic:amidst the carefully planted flowers and neatly clipped grass there lies a hidden world which is revealed in the NATURE program SECRET GARDEN.

Life is no picnic:amidst the carefully planted flowers and neatly clipped grass there lies a hidden world which is revealed in the NATURE program SECRET GARDEN.