Did you know that water scorpions use a snorkel to breathe, that the eyes of the damselfly can swivel in every direction, or that moorhen chicks leave the nest as soon as they hatch? Ponds and streams have complex ecosystems full of amazing birds, strange insects, and colorful crustaceans, fish, and other creatures. Draw a snail's shell, color in the frogs, and perch a bird in her nest.