“Life as a street urchin had acutely sharpened Alisha's senses.”

“The urchin got up a second time with the murderous expression of a dog scenting blood.”

“Scattered on the cloth are pinecones and seashells, a sand dollar, a starfish, a sea urchin.”

“Stories abound of coal wagons stripped of half their load by street urchins before a first delivery could be made.”

“The elimination of sea otters for their pelts allowed explosions of sea urchins that ate all the kelps.”

“Otters mostly feed on invertebrates such as urchins, squid, octopus, crabs, abalone and other mollusks.”