A creek gently tumbling over rocks with forest birds tweeting. In the Sierra Nevada mountains of California, near Picketts Junction.

A variety of small forest birds busily greeting a sunny morning in a stand of pine trees. In the Sierra Nevada mountains of California, near Picketts Junction.

Relaxing sounds from a duck pond in the heart of California's gold country. Hear a babbling brook, various birds, ducks, geese, and frogs.

Crickets on a hot July night and slightly less-hot dawn near Grass Valley in Central California. A fascinating transition: The crickets are thick and pulsating at night, lighter and giving way to bird chatter at dawn.

Out in the baylands marsh a squadron of canada geese invade a serene setting and upset the ducks and other shorebirds.

The changing sound of the waves on Whidbey Island from sunrise to sunset. Hear the gentle waves at 5 am low tide transition to a churning mass at 6 pm and settle back slowly as the sun begins to set.

Carnival music and the general ambiance around the carousel at the amusement park area of the zoo in Oakland, California.

A group of ten pelicans were lined up and slowly moving and fishing. I quietly followed them along with my microphone. It is a very gentle sound. At two points a group of small birds whipped by overhead and you can hear their sudden whoosh.

Street sounds from the Arctic Club Hotel in downtown Seattle, Washington on a bright June morning. Buses, cars, car horn, elevator ping, talking.

A walk in Arastradero open space preserve early one morning. Birds, airplane, bull frog, human being. Listen as the airplane quiets the birds.