ANCHORAGE, Alaska — Scientists searching for what is likely the world’s most endangered whale came up empty-handed this summer during a one-month tour of an area in the Bering Sea where Pacific right whales like to feed.
From July 31 to Aug. 28, an international team of scientists surveyed an area almost the size of New York in search of Pacific right whales, which have been teetering on the edge of extinction for decades.
“We did not see a single whale the entire time,” said Phil Clapham, team leader and chief scientist with the National Oceanic and Atmospheric Administration’s Alaska Fisheries Science Center in Seattle. “The bottom line, they were not in the places they had traditionally been in the last six or seven years.”
This summer’s survey is part of a larger four-year project to assess the seasonal distribution of the whales, their numbers and where they travel in the Bering Sea.
The Minerals Management Service is paying for the surveys at an annual cost of about $1 million. The research is required under the federal Endangered Species Act because the area where the whales like to spend summers overlaps with an area the federal government this year approved for oil and gas development.
The whales weren’t found this summer because it is a “cold pool year” in the Bering Sea, Clapham said. That means the water is colder than normal. The colder water likely affected the distribution of plankton, which is what the large whales feed on, he said.
Many scientists considered right whales a lost cause until a few years ago when 23 were spotted, including two with calves, in an area of the Bering Sea where they like to feed.
However, numbers remain small, making it difficult to find them, Clapham said.
“It is very much like a needle in a haystack given there are so few animals,” he said.
Scientists spent two weeks aboard a NOAA research vessel that departed from Dutch Harbor in late July. Scientists from Russia, the Dominican Republic, Brazil and South America joined the NOAA scientists.
For the last two weeks of the survey, the team took up the search in a 155-foot crab boat.
“We had a lot of humpbacks,” said Clapham, who for 20 years has hoped to see a right whale. “We saw a lot of fur seals. You kind of get sick of fur seals.”
Right whales, which can grow to more than 60 feet long and weigh 100 tons, have been listed as endangered since the early 1970s.
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