Black bear walking in a forest. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18950
Purple sea urchin, spawning, releasing gametes into the ocean currents. Once adult purple sea urchins have reached sexual maturity, females and males release gametes into the ocean, a mode of external fertilization. The fertilized egg later settles, and begins growing into an adult.
Species: Purple urchin, Strongylocentrotus purpuratus
Image ID: 05346