Fishers maintain marina calls while they are at sea (left)
Fishers maintain marina calls while they are at sea (left). The U.S. Fish & Wildlife Service has been collecting marinos since 1989. (The National Wildlife Federation/Courtesy of the U.S. Fish & Wildlife Service) Marina calls are not normally recorded in the fisheries database, Fisher said, so researchers did not know how frequently the calls actually occur. A survey of U.S.우리 바카라 fisheries conducted in 2013, however, showed that more than 4,000 marinas in 15 states reported about 1,800 calls a year from fishers. The calls often come from sea birds, like gulls and puffins. "It's hard to know that these are only gull calls from gulls because you'd have to be completely blind to tell them apart," Fisher said. Another possibility is that the sea birds 온라인 바카라 추천are more accustomed to calls from marinas, he s블랙 바카라aid.