Imagine eating 50 pounds of salad every day. It might sound like excess, but when you’re an 800 pound moose, this is an average day’s portion of leaves and twigs. Moose need to eat such large quantities because many of the land plants they eat aren’t all that nutritious. Fortunately for moose, large aquatic plants (macrophytes) are rich in protein and sodium and therefore make up half of that 50 pound salad.

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Many animals call the wetlands and rivers of North America home, but one recognizable figure you’ll find wading through the marshy stream banks is the great blue heron. Herons can be found throughout the United States and have a migration range from southern Canada to Mexico and the Caribbean.

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