Image 1: A gallery of bark beetle trails, probably of Scolytus sp., from northern California
Image 2: Midge eggs on a boulder in a stream near Mt. Rainier, WA.
The midge walked back and forth while laying the eggs, forming these traces.
Image 3: Tracks of a seabird on a northern California beach.
Image 4: Tracks in sand, Sahara Desert, Tunesia
Image 5. A gallery of bark beetle trails, probably of Scolytus sp., from northern California
Image 6. Tracks in the sand, Big River Beach, Mendocino. |