Tom Vezo / American Dipper (Cinclus mexicanus) or Water Ouzel standing on a stick in the water, White Mountains, Arizona

Scott Leslie / Shorthorn Sculpin (Myoxocephalus scorpius), Bonne Bay, Newfoundland, Canada

Scott Leslie / Shorthorn Sculpin (Myoxocephalus scorpius), Bonne Bay, Newfoundland, Canada

Scott Leslie / Shorthorn Sculpin (Myoxocephalus scorpius) on ocean bottom, Tilt Cove, Newfoundland and Labrador, Canada

Scott Leslie / Green Sea Urchin (Strongylocentrotus droebachiensis) barren, having eaten all the kelp with Shorthorn Sculpin (Myoxocephalus scorpius), Nova Scotia, Canada

Scott Leslie / Shorthorn Sculpin (Myoxocephalus scorpius) resting on ocean floor, Nova Scotia, Canada

Shane Gross / Shorthorn sculpin (Myoxocephalus scorpius) hiding in Kelp. Terra Nova National Park, Newfoundland, Canada. May.

Shane Gross / Shorthorn sculpin (Myoxocephalus scorpius) swimming over seagrass bed. Terra Nova National Park, Newfoundland, Canada. May.

Shane Gross / Shorthorn sculpin (Myoxocephalus scorpius) sheltering in seagrass bed. Terra Nova National Park, Newfoundland, Canada. May.

Pascal Kobeh / Shorthorn or Arctic sculpin (Myoxocephalus scorpius) Russia. White Sea.