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The light is formed by a chemical reaction
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David Attenborough's Tasmania

The light is formedby a chemical reaction in the larva's abdomen, and can be turned on and...

The light is formed
by a chemical reaction in the larva's abdomen, and can be turned on and off at will

Full Transcript

00:00:01.000 --> 00:00:04.001
The light is formed by a chemical reaction
00:00:04.016 --> 00:00:05.078
in the larva's abdomen,
00:00:05.084 --> 00:00:08.086
and can be turned on and off at will.
Duration
9 seconds
Views
31
Timestamp in Movie
00:18:53
Uploaded
Jun 27, 2025
Genres
documentary
Production
Humble Bee Films,Black Devil Productions,Terra Mater Factual Studios

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Movie Summary

Attenborough narrates the story of a vast island wilderness - ancient forests, pristine rivers and spectacular coastline. Seasons vary from dry heat, strong winds and cold bringing wombats, wallabies and platypus out in daylight.
The sticky threads hang from its silk and mucus-laden nest. - David Attenborough's Tasmania 00:06
The sticky threads hang from its silk and mucus-laden nest.
Insects drawn to the light are ensnared, then devoured. - David Attenborough's Tasmania 00:06
Insects drawn to the light are ensnared, then devoured.
Each glow worm's thread is made up almost entirely of water, - David Attenborough's Tasmania 00:12
Each glow worm's thread is made up almost entirely of w...
And the rain that supports these tiny glow-worms - David Attenborough's Tasmania 00:10
And the rain that supports these tiny glow-worms
..fast-growing trees that evolved on the dry Australian mainland. - David Attenborough's Tasmania 00:06
..fast-growing trees that evolved on the dry Australian main...
In Tasmania they become giants. - David Attenborough's Tasmania 00:05
In Tasmania they become giants.
Strangely, for trees living in a wet forest, - David Attenborough's Tasmania 00:07
Strangely, for trees living in a wet forest,
The mountain ash stores its seeds in small pods... - David Attenborough's Tasmania 00:05
The mountain ash stores its seeds in small pods...
Beneath the ash, the seeds live on, - David Attenborough's Tasmania 00:09
Beneath the ash, the seeds live on,
This makes sense in a dry habitat with regular fire... - David Attenborough's Tasmania 00:05
This makes sense in a dry habitat with regular fire...
..but not in Tasmania's wet forests. - David Attenborough's Tasmania 00:05
..but not in Tasmania's wet forests.
Young mountain ash can grow at a rate of several metres a year. - David Attenborough's Tasmania 00:06
Young mountain ash can grow at a rate of several metres a ye...
All that holds them back is the next fire or a lack of water... - David Attenborough's Tasmania 00:06
All that holds them back is the next fire or a lack of water...
..and that is the secret behind their staggering height. - David Attenborough's Tasmania 00:05
..and that is the secret behind their staggering height.
In Tasmania's damp west, fire is so infrequent - David Attenborough's Tasmania 00:09
In Tasmania's damp west, fire is so infrequent
Those standing in this valley all germinated - David Attenborough's Tasmania 00:09
Those standing in this valley all germinated
Today they reach almost 100 metres into the sky. - David Attenborough's Tasmania 00:05
Today they reach almost 100 metres into the sky.
They may have evolved on the dry Australian mainland, - David Attenborough's Tasmania 00:14
They may have evolved on the dry Australian mainland,
The moisture-laden air that blows in from Tasmania's west - David Attenborough's Tasmania 00:09
The moisture-laden air that blows in from Tasmania's we...
Although it can rain most days, - David Attenborough's Tasmania 00:10
Although it can rain most days,