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A pod of transient orcas swim in Dyes Inlet, near Silverdale, Wash., in this May 19, 2004 photo. Thousands of visitors pay an average of $75 a trip to see the orcas in their summer habitat around the San Juan Islands. The love sightseers feel for the orcas, however, may be getting overwhelming for the bus-sized mammals. As many as 100 tour boats can be on the water at once, all jockeying for a good look at the animals, and researchers are concerned that the in-your-face attention is harassing orcas and keeping them from their prey. (KEYSTONE/AP Photo/Kitsap Sun, Carolyn J. Yaschur)