Chinook salmon successful at guarding their redds. Chinook eggs hatch, 90 to 150 days after deposition, depending upon water temperature. Egg deposits are timed to ensure the young salmon fry emerge during an appropriate season for survival and growth. Fry and parr (young fish) usually stay in fresh water 12 to 18 months before traveling downstream to estuaries, where they remain as smolts for several months. Some Chinooks return to the fresh water one or two years earlier than their counterparts, and are referred to as "jack" salmon. "Jack" salmon are typically less than long, but are sexually mature and return at
Are Years What? (for Marianne Moore) Are Years What? (for Marianne Moore) Are Years What? (for Marianne Moore) is a sculpture by American artist Mark di Suvero. It is in the collection of the Hirshhorn Museum and Sculpture Garden, in Washington, D.C., United States. The sculpture is named after poet Marianne Moore's "What Are Years". From May 22, 2013 through May 26, 2014, the sculpture resided temporarily in San Francisco, as part of the San Francisco Museum of Modern Art's Mark di Suvero exhibition at Crissy Field. This 10-ton sculpture is made of nine red-orange steel I-beams, welded together, with one section suspended as a giant