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I thought you would like to see another yard art I spotted on my daily bike ride. This one is a little less fearsome than yesterday's yard art so I could get even closer.
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Green sea turtles can stay under water for as long as five hours even though the length of a feeding dive is usually five minutes or less. Their heart rate slows to conserve oxygen: nine minutes may elapse between heartbeats.
http://www.defenders.org/sea-turtles/basic-facts
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