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Luyện nghe/Video/National Geographic/Steve Backshall Dives Into Crocodile Territory | Expedition Guyana | BBC Earth

Steve Backshall Dives Into Crocodile Territory | Expedition Guyana | BBC Earth

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0:07The heart and soul of the base camp is
0:09the beach. It's where the fish are
0:11gutted,
0:13the boats are stored,
0:14and where everyone comes to wash and
0:16cool off.
0:19It's a welcome respite from the stifling
0:22jungle heat.
0:24>> All the sweat, the dirt, the grime, the
0:27it's
0:29But the one good thing is that we have
0:31the beautiful river out there to bathe
0:33in because it's fresh water.
0:35Fresh, absolutely beautiful.
0:40>> Justine was coming down for her morning
0:43wash,
0:44but something has changed her mind.
0:47>> Oh, dear.
0:51It came in on the beach.
0:54Exactly where I wash.
0:57This is the actually the first proper
0:58one I've seen.
1:02>> The black caiman.
1:04It's the largest predator in South
1:05America.
1:06And like so many animals around camp,
1:09it's growing bolder by the day.
1:14>> He's one that could quite happily cause
1:16damage to to fully grown adults. And you
1:18can see the you know, the guys down here
1:20cleaning fish.
1:22That croc is 11, 12 ft long. And this is
1:26exactly the way that caiman start
1:28becoming a problem in villages around
1:29here is that people are cleaning their
1:31fish, the caiman gets bolder and bolder
1:33and bolder, and then eventually it takes
1:35some of the dogs,
1:36and then it kind of moves up to taking
1:39someone's child.
1:41>> Woah!
1:43>> Caiman are just one of hundreds of
1:45intriguing creatures that thrive in
1:47these waters.
1:49>> [music]
1:51>> All right.
1:53>> Steve joins Dr. Phil Willink on his
1:55survey of fish.
1:58>> WE FOUND SOMETHING GOOD OUT OF THIS
2:00FISH.
2:04>> IT'S A freshwater anchovy.
2:05>> WOW, I CAN'T BELIEVE I'M RISKING MY LIFE
2:08FOR ANCHOVIES.
2:10>> They'll be the first [music] scientists
2:12to search beneath the surface in this
2:14region.
2:15>> We know very few people have been up
2:16here and
2:18who knows what's living in these areas.
2:20There's [music] probably a lot of new
2:21species hiding in these rocks and these
2:23rapids.
2:24The combination of nobody ever being
2:26here before and a difficult habitat to
2:27collect in is where you're going to find
2:29a lot of new species.