Mass stranding of 146 dolphins, highest in US history, in Massachusetts
米マサチューセッツ州東部ケープコッドの海岸に先月打ち上げられた１４０頭あまりのイルカについて、保護団体はこのほど、米国で確認された哺乳類の集団座礁としては史上最も多かったと発表した
Conservation groups say the 140 dolphins that washed up on the coast of Cape Cod in eastern Massachusetts last month were the largest mass stranding of mammals ever confirmed in the United States.
国際動物福祉基金の１１日の発表によると、今回の集団座礁は６月２８日から始まったと思われ、同州ウェルフリートの海岸に漂着したイルカの航空映像を解析した結果、１４６頭が打ち上げられていたことが分かった
According to an announcement from the International Fund for Animal Welfare on the 11th, the mass strandings appear to have started on June 28th, and analysis of aerial footage of dolphins that washed ashore on the coast of Wellfleet, State, revealed that 146 dolphins were washed ashore. I found out that
このうち１０２頭が生き残り、生存率は７０％だったと同団体は指摘
Of these, 102 survived, giving a survival rate of 70%, the organization said.
Seven animals were euthanized, and 37 died from natural causes.
座礁したのはタイセイヨウカマイルカで、同団体は当初、１２５頭前後との見方を示していたが、その後、１回に集団座礁した頭数は同団体史上、最も多かったことを確認した
The group initially thought that around 125 Atlantic dolphins were stranded, but later confirmed that this was the largest number of animals stranded in a single group in the group’s history.
イルカの数の多さや大きさ、広い範囲に散らばっていたこと、到達が難しい場所だったことなどから救出は難航した
Rescue efforts were difficult due to the large number and size of the dolphins, the fact that they were scattered over a wide area, and the location was difficult to reach.
しかし７月８日までに１００頭以上を海に戻すことができ、イルカに装着した追跡装置から、海岸から離れた安全な場所にいることが確認された
However, by July 8, more than 100 dolphins were able to be returned to the sea, and tracking devices attached to the dolphins confirmed that they were in a safe location away from the coast.
クジラ観測船からも、マークを付けたイルカ数頭が、座礁しなかった数百頭の群れと一緒に泳いでいるのを見たという報告が入っているという
Whale observation vessels have also reported seeing several marked dolphins swimming with a pod of several hundred other dolphins that did not go aground.
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