All around the world, seabirds provide a critical link between land and sea. On Hawai’i, ecologists are working to protect two vital shearwater species that helped life first take hold across these islands.
While seabirds predominantly reside at sea, they return to land to breed and raise their young. In this process, they deposit mineral-rich nutrients that sustain the whole island ecosystem. But the arrival of human settlers introduced non-native predators and extensive development. Together, these compromised many seabird habitats — and decimated their populations. Several species are now teetering on the brink of extinction.
The Maui Nui Seabird Recovery Project engages a multifaceted approach to protect these crucial birds: eliminating invasive predators, restoring native plants, and monitoring burrows for fledgling success. In one instance, they have established a dedicated sanctuary complete with artificial burrows, bird-shaped decoys, and audio speakers to attract one highly endangered shearwater species. Through their efforts, the team gives seabirds a chance to raise the next generation on the very islands they helped bring to life.
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♪ JAY: Before humans came here,
there were so many seabirds that they would
blacken the skies. You could not see the stars. But these days, we have
changed all the habitat, and their numbers are
greatly reduced now, but they're still here. (bird squeaking)
♪ ♪ There's been a huge number
of people coming together to figure out how can we
benefit all of these species. (bird calls)
♪ ♪ (bird calls) JENNI: Seabirds are
often referred to as ecological engineers. They feed on small fish, and squid, wh
ich are
really high in nutrients, and then when they
return to land to breed, they deposit these nutrients
back into the environment. NARRATOR: Seabirds
live along coastlines and open oceans
all over the world. They've pioneered volcanic
islands like Hawaii, since the land first
rose from the sea, helping life take hold by
depositing mineral-rich guano that became the first soil. JENNI: They were the
first ones here to bring the nutrients to
help the plants grow, to start the whole
island ecosys
tem. NARRATOR: Seabirds continue
to provide a critical link between land and
water, but today, these oceangoing
travelers are under threat. JENNI: Populations have declined
almost 70% since the 1950s, and this is a result of
many different threats that seabirds face,
both at land and at sea. NARRATOR: Every
year, commercial fishing kills hundreds of
thousands of seabirds by accidentally hooking them,
or entangling them in nets. But it's during their short
but critical time on land, that the bird
s are
most vulnerable, when they return to breed at
the sites where they were born. On the island of Maui, one seabird, the 'ua'u kani,
or wedge-tailed shearwater, lost a beachfront rookery
to human encroachment. JENNI: This was historically
always a nesting site for the 'ua'u kani and
through human development, it turned into the
resort center with condos and other development, and the
'ua'u kani were not present there for many years. NARRATOR: Humans brought
other threats as well: invasive hun
ters. JAY: Originally, habitat change
was the most significant change for the
bird's environment, but now the predators
are the major problem for these birds when
they're on the land. All of these birds evolved
over their entire millennia of life without having
predators to deal with. (rat rustling)
♪ NARRATOR: Non-native
predators like rats and mongooses have decimated
seabird populations. They dig into the
birds' burrows, and eat their eggs and chicks. ♪ JAY: All of these predators
were introd
uced by people. The very early ships came, and rats ran off of the ships
when they were tied to shore. Cats came. The mongoose
were actually introduced to control rats in
the sugarcane fields. ♪ JENNI: In 2001,
there were very few 'ua'u kani burrows out there. NARRATOR: The nesting
site that once supported thousands of birds was down
to just 16 nesting pairs. Then, one local resident decided
to do something about it. JENNI: There was
a local fisherman that had noticed carcasses of the 'ua'u kani
turning up
when he would go out to fish, so he contacted the
State Department, and they implemented a
predator control program. NARRATOR: Government
agencies teamed up with volunteers
from the community to target non-native predators. JENNI: We bait these live traps
and we check them every day, and then when the
free-ranging cat, or the mongoose gets
captured in the trap, we remove it from the colony. NARRATOR: They also
installed signs and fencing to steer people away from the nesting site. Ov
er the years,
Jenni and her team have seen the impact
of their efforts. JENNI: When we come
back year after year, we're able to see that
this is the same pair that was here last year
and the year before. And so we see in this
area it's very dense. We see burrows just right
on top of one another. You get more and more
burrows every year. NARRATOR: But not
all seabirds on Maui can find the natural
habitat they need to nest. Critically endangered 'A'o
or Newell's shearwaters, prefer burrows beneath
ferns and
tree roots on steep slopes. So Jay Penniman and his team at the Maui Nui Seabird
Recovery Project are taking an
innovative approach, creating a custom-made refuge
tailored to the birds' needs. ♪ Here on the northwest
slopes of Maui, at a place called Makamakaole, they've transformed
land previously used for cattle grazing into
a seabird safe haven. JAY: The major predator
control effort here is this predator-proof fence. The enclosures have a hood, that prevents animals from
being abl
e to climb over them. They have mesh that's
small enough that the mice and the rats cannot get through. It has a skirt that
goes under the ground. (birds chirp) NARRATOR: But guarding
against invasive predators is just the first step. The team also works to
restore native plants the birds depend on. JAY: The fences went up,
and then we immediately started working on rehabilitating
the habitat, trying to take out
the invasive plants and to encourage
the native plants that were remaining
to contin
ue to grow. NARRATOR: Most critically, they hope to reestablish
the iconic 'Ohi'a tree. Its roots provide structure
for the seabirds' nests, and its high tops are
perfect takeoff spots. JAY: The birds will actually
climb the 'Ohi'a trees and get up to where
they can leap off and just catch the wind
underneath their wings. (birds chirping) NARRATOR: Today,
volunteers help restore this critical native habitat. MARTHA: I've been
working with a group called the Native Hawaiian
Plant Society. This mo
rning I started
working with clearing and making space for the
native 'Ohi'a lehua to grow. NARRATOR: Until the
'Ohi'a trees mature, clearings leave room for takeoff and artificial burrows stand
in for the trees' roots providing an ideal
place to nest. The refuge just
needs one more thing: seabirds. And nothing works
better to draw them in, than birds of a feather. ♪ JAY: Seabirds
are social animals. They want to be near
others of their same kind, and if they see a decoy, a
bird that looks like
themselves or another seabird, then
they're more likely to come in. NARRATOR: They enhance
the con with a siren's call for the 'A'o - the sounds of other
Newell's shearwaters. (bird calling) MARTIN: They hear
those vocalizations as they fly by, and they see the
decoys on the ground. We find that the nests
that are occupied first are the ones that are most
adjacent to the speakers, and if they find those suitable, and start breeding
there, you have a colony. NARRATOR: That new colony
is taking ho
ld in the enclosure where a couple dozen
birds now return to breed. (bird calling) Jay and his team have gotten
to know one pair in particular. JAY: An adult in here
been sitting on that egg, for about 52 days. The egg is pipping. It has a cracked open
part of the shell, and we could hear the
chick peeping within there. (bird chirping) MARTIN: Sweet. JAY: It's pipping. MARTIN: Did you hear it? JAY: Yes.
MARTIN: Awesome. JAY: I hear it chipping.
MARTIN: Nice. JAY: This pair that has
been breeding
in here, this will be their third
chick raised in this colony. (bird calling) This is definitely
a sign of hope. This is exactly why we are here, is to have these birds being
able to successfully breed and build their population. (bird calling) NARRATOR: In time, these
chicks may also return here to raise another generation. (bird calling) ♪ Thanks to this newly fashioned
habitat on the mountains, and one reclaimed along
the highly developed coast, both of these shearwaters
now have safe harbor
on the very islands they
helped bring to life. JENNI: 20 years ago,
walking through Hawea, there wouldn't have
been any seabirds here. We wouldn't have had any nesting 'ua'u kani in their burrows. And now 20 years later, there are now over 3000
nesting burrows at Hawea. There are literally thousands
of seabirds underneath. NARRATOR: These efforts here
aren't just local successes. They're also models for
how communities elsewhere can make space for wildlife. JENNI: Seabirds
can be very successfu
l and coexist in areas where
humans also are very successful. We just have to pay
attention to where they are, give them their space so
they can set up their burrows and raise their chicks. In return, the seabirds
provide us with the joy that comes from being part
of this native ecosystem. We can use it as an example
to show people how just a little bit of effort can
result in such a huge success. (bird chirping) ♪ ♪ ♪ ♪
Comments
Considering without seabirds humanity would not even be able to live on the Islands since their guano started soil on the Island/allowed for plants to grow these beautiful birds well deserve to be revered, all of nature is interdependent humans are entirely dependent for their existence on other species. I am hopeful humanity is evolving, excellent documentary thank-you.
Stories like this gives us hope that we can help to prevent the extinction of other endangered species if we all work together. Fantastic documentary!
Awesome I simply love this, I love what you have done for the Hawaiian bird community! They are now thriving YES!! 😙🤗
Really excellent program. Thank you so much! It’s great to see these innovations to save the birds and make habitat for them. 🌈🌈🌈🌈😊😊😊😊
Loved seeing this. Lived around there for a couple years -we called that spot “crying babies” because when we were out there at night , the cries of the birds made it sound like you were surrounded by the wailing haunting cries of thousands of ghost babies. Used to love going out there at sunset watching them all fly and roost home for the night. It warms my heart to hear how good they’re doing. I also used to see those cages and thought many times to destroy them , thinking people were out to pouch on the birds -I’m glad I didn’t ! Might wanna put up a sign on those
Great programme, Thanks
Wonderful program, thank you.
This is hopeful❤🎉😊.
SO AWESOME🥰❤️👏
this is awesome!
Terbaik mantap sahabat 👍.
"Bad luck to kill a seabird." - Thomas Wake
Last time I checked, birds are HATCHED, not born.
Great program but what about Hawaii’s homeless people, no homes for them?
You don’t think this title is a little screwed up? You know, because of all the Hawaiian people that lost their homes , possessions, and loved ones, Who aren’t receiving help and aid from the government aren’t being allowed to rebuild their homes, have to ask permission to be allowed onto their property, and are pretty much being forced off the island (I’m sure this is a perfect storm of incompetence and happenstance, of course) So it’s in bad taste and disrespect when public broadcast puts out a segment called building homes for birds in Hawaii and the first sentence tells us all about how humans are screwing up the bird habitat in Hawaii, well good news government funded broadcasting because of no assistance from the government. There will be less humans on Hawaii.
❤ I'm sorry to be the bearer of bad news but humanity is like a plague. we will destroy nature in search of our identity by destroying our identity. The irony.