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What's REALLY killing all the birds? - Video học tiếng Anh
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What's REALLY killing all the birds?
What's REALLY killing all the birds?
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Subtitle (46)
0:00
- You may have gotten wind,
0:01
the turbines like these are killing all the birds,
0:05
so wind power's bad, but how accurate is that?
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Yes, wind turbine collisions account for somewhere
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between 140,000 to around 680,000 bird deaths each year.
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Mainly small migrating songbirds.
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And that's why the people who plan
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where wind turbines go work to study
0:20
and avoid bird migration roots,
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sometimes even turn off wind turbines
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during peak migration times.
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Okay, that's not nothing
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but those wind turbine numbers pale in comparison
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to how many other bird deaths we are responsible for.
0:31
Around 6 million birds crash into communication towers
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like the ones your phone's talking to you right now.
0:35
These towers are tall.
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They shine lights in the night sky,
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which can disorient songbirds traveling at night.
0:40
And up to 50 million birds get tangled
0:42
in overhead electricity lines each year,
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with about 5 million getting electrocuted by 'em.
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About 72 million birds get poisoned each year
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by things like pesticides we use to protect our crops,
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or lead poisoning from spent ammunition,
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swallowed by scavenger birds feeding on carcasses.
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And more than a billion birds die every year
0:59
from crashing into big glass buildings or household windows
1:02
or other confusing glass things we keep putting everywhere.
1:04
I guess it's clear, you know, what do you expect?
1:06
But you know who the real killers are,?
1:08
Domesticated cats.
1:10
Yes, more than 3 billion birds,
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billion with a b,
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get killed by household kitties or feral cats every year.
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That's almost one feline bird murder
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for every two humans on Earth.
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"Not my cat," I hear you saying.
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And to that I say, "Yes."
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Even your cat.
1:26
Cute, but also deadly murder machines.
1:29
Anything that kills wild birds is not good.
1:30
But it seems like if you want to save the most birds,
1:33
maybe we should be talking about cats instead.
1:35
Don't ask me though, I'm a dog guy.
1:37
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