Tag: warbler

Songbirds’ Numbers Flying South

  • A Nashville Warbler - one of the birds that Matt Etterson heard during this bird count in Canada (Photo courtesy of the US Fish and Wildlife Service)

The numbers and types of songbirds
are dropping dramatically in many areas of
the country. A lot of people are trying to
get a better count on the number of birds
that are still around. Stephanie Hemphill recently went with researchers
on one of the more ambitious bird count projects:

Transcript

The numbers and types of songbirds
are dropping dramatically in many areas of
the country. A lot of people are trying to
get a better count on the number of birds
that are still around. Stephanie Hemphill recently went with researchers
on one of the more ambitious bird count projects:

The jumping off point for this trip is a tiny airport with a grass runway in
northern Minnesota, about 20 miles from the Canadian border.

We fly for 15 minutes, over trees and swamps as far as the eye can see. Down
below we get a glimpse of a moose. And, later, a pair of rare trumpeter swans
in their nest.

The helicopter sets down in what’s known as a floating bog. Its runners are
sitting in six inches of water.

We jump out in knee-high boots and rain jackets, and douse with DEET to try
to keep the mosquitoes away.

I’m following Heidi Seeland, a graduate student who seems to know her way
around a bog.

We’re in knee-deep water. Then it’s thigh-deep Pretty soon it’s waist-deep. I try
to step on a clump of sphagnum moss. But it sinks. It holds onto my boot, and
I’m sitting in water.

Heidi helps me up, and we catch up with the others.

They fan out on different points of the compass. I follow Matt Etterson. He’s an
ornithologist, a bird expert. We slog through the bog for nearly half an hour.
Etterson is aiming for a piece of higher ground, where the trees are a little
taller, better for nesting.

Suddenly he stops. He’s found the spot he was looking for. He sets his watch
for 10 minutes and pulls out a notebook.

Etterson cocks his head this way and that, jotting the names of the birds he can
hear, and the time he hears them. He doesn’t pay any attention to the mosquito
biting the back of his neck. He just listens and takes notes.

“We had a couple of hermit thrush — that’s the singing to the north of us. A
veery called a couple of times to the west of us. A Nashville warbler, and a
couple of western palm warblers, and that was about it. It was pretty quiet
otherwise,” Etterson said.

We trudge through the muck for another 20 or 30 minutes and he repeats the
process.

It’s two hours later, and the three researchers meet at the helicopter landing spot
and compare notes. They’re excited about Etterson’s veery and Nashville
warbler. The others heard a Connecticut warbler and a Lincoln’s sparrow.

They would have been really happy if they’d heard a golden-winged warbler.
It’s one of the most threatened of bird species. The number of golden-winged
warblers has declined by some 80% during the last 50 years.

Today’s trip is an experiment to see how well it works to count birds in remote
places, using a helicopter.

It’ll take five years to finish the bird count here. Then, in 10 or 20 years, they’ll
do it all over again, to see how the birds are faring.

For The Environment Report, I’m Stephanie Hemphill.

Related Links

Protecting a Rare Songbird

Researchers have studied where a very rare bird spends the summer, but now they’re learning they might need to pay more attention to where it spends the winter. The GLRC’s Rebecca Williams reports:

Transcript

Researchers have studied where a very rare bird spends the summer, but
now they’re learning they might need to pay more attention to where it
spends the winter. The GLRC’s Rebecca Williams reports:


The Kirtland’s warbler is one of the rarest songbirds in North America.
It spends the summer near the Great Lakes, mostly in Michigan, and the
winter in the Bahamas. The bird’s been on the endangered species list
since 1966. Efforts to control predators and manage habitat in
Michigan have helped the warbler recover, but scientists haven’t known
much about what the warbler needs in winter.


Dave Ewert is the director of conservation science for the Nature
Conservancy’s Great Lakes program. He says his team’s research
indicates that warblers are fattening up on fruit right before they
leave the Bahamas in the spring.


“So if we can identify these sites that produce a lot of food just
before migration, we think that may be a really important key for
conservation implementation in the Bahamas in the future.”


Ewert says the team will need a few more years of research before
recommending specific sites to preserve in the Bahamas.

For the GLRC, I’m Rebecca Williams.

Related Links

Budget Cuts Threaten Kirtland’s Warbler

The Kirtland’s warbler has been on the endangered species list since 1966. In that time, the population has grown from an all time low of 167 mated pairs to over 14-hundred. Now budget cuts are putting the recovery effort at risk. The GLRC’s Charity Nebbe has more:

Transcript

The Kirtland’s warbler has been on the endangered species list since
1966. In that time the population has grown from an all time low of 167
mated pairs to over 14-hundred. Now budget cuts are putting the recovery
effort at risk. The GLRC’s Charity Nebbe has more:


The comeback of the Kirtland’s warbler is largely due to an annual
trapping program aimed at cowbirds, but federal funding for the US Fish
and Wildlife Service program has now been cut.


Cowbirds lay their eggs in the nests of other birds. Species like the
Kirtland’s warbler raise the cowbirds at the expense of their own young.


Jim Bull is a past president of the Detroit Audubon Society. He says the
trapping program has been an inexpensive and effective way to protect
the warblers since 1972.


“Before the trapping program there was less than half a Kirtland’s
warbler fledging per nest. With the trapping program almost
immediately that went up to three young leaving the nest.”


Michigan Congressman Bart Stupak has introduced a measure to restore
the funding. In the meantime, a reduced program will be carried out with
the help of volunteers.


For the GLRC I’m Charity Nebbe.

Related Links

Hope for Kirtland’s Warbler

Next month, Kirtland’s Warblers will begin their yearly winter trek. They’ll be flying more than eleven hundred miles from their only known nesting ground in Michigan to their wintering grounds in the Caribbean Islands. The bird was one of the first species to be listed as endangered in 1973. But thanks to several decades worth of forest and wildlife management, the bird’s numbers are increasing. The Great Lakes Radio Consortium’s Mark Brush has more: