Alaska trumpeter swans filling historic range A 1968 Alaska
census found just 2,847 trumpeter swans. Random sampling in 2010
estimated 25,347 - a nearly nine-fold increase. More science
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fate ANCHORAGE, Alaska -- It was likely easier than ever to see
a migrating trumpeter swan this year, as the big white birds
continued a remarkable comeback from near extinction in the
Lower 48 states and much of their Alaska habitat, a federal
wildlife biologist said. "They still have not recovered to their
full range that they once occupied prior to the 1880s, but
they've done fantastically in Alaska," said Deborah Groves, who
has counted Alaska swans since 1990. A 1968 Alaska census found
just 2,847 of the birds. Random sampling in 2010 estimated
25,347 - a nearly nine-f