Using Sound to Count Species

Scientists often capture and tag animals as a way to determine
their population density. But that can be disruptive to the
animals…and
time consuming for the researchers. Now, scientists at Ohio State
University have found a quicker, easier method…and they’re testing it
on
bats. The Great Lakes Radio Consortium’s Wendy Nelson reports:

Biologist Fosters Bald Eagle’s Return

In the 1960’s, the bald eagle was in trouble. There were only about 4
hundred birds living in the U-S And in some states, pollution had wiped
them out altogether. But the bald eagle has made an impressive comeback.
The U-S Fish and Wildlife Service recently announced plans to remove it from
the endangered species list. As the Great Lakes Radio Consortium’s Karen
Kelly reports, it’s good news for the scientists who fought to save this
bird:

Wolf Killed by Government Order

A timber wolf has been shot by a federal officer in Wisconsin. For the
past twenty-five years the wolf has been listed on the federal
endangered species list. But now the wolf’s status is being changed from
endangered to threatened making it easier to use lethal force on problem
wolves. The Great Lakes Radio Consortium’s Nick Van Der Puy has more:

Delisting the Wolf

Since being placed on the endangered species list in 1974, wolves hve
made a healthy recovery in the upper Midwest. Now, Wisconsin, Minnesota,
and Michigan are all preparing for the expected delisting of wolves from
that list. The Great Lakes Radio Consortium’s Stephanie Hemphill
reports:

Reintroducing the American Burying Beetle

A special kind of beetle is near extinction in the U-S. That’s why
Ohio is trying to revive them…by bringing in 29 pairs of the beetles
from Oklahoma. The Great Lakes Radio Consortium reports:

Utility Workers Build Osprey Nests

A threatened species of raptor is getting extraordinarycooperation from Wisconsin power companies this year. The Great LakesRadio Consortium’s Mike Simonson reports on how powerline workers arebuilding nests for osprey: