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Weighing up to five kilos and a metre long
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David Attenborough's Tasmania

Weighing up to five kilosand a metre long they're the biggestfreshwater invertebrates on...

Weighing up to five kilos
and a metre long they're the biggest
freshwater invertebrates on our planet, taking some 40 years
to reach full size

Full Transcript

00:00:01.000 --> 00:00:03.094
Weighing up to five kilos and a metre long
00:00:04.000 --> 00:00:06.082
they're the biggest freshwater invertebrates
00:00:06.088 --> 00:00:08.007
on our planet,
00:00:08.076 --> 00:00:11.086
taking some 40 years to reach full size.
Duration
12 seconds
Views
26
Timestamp in Movie
00:09:01
Uploaded
Jun 26, 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.
Tasmania's isolation, together with the lack of sizeable predators, - David Attenborough's Tasmania 00:09
Tasmania's isolation, together with the lack of sizeabl...
But they're not entirely free from threat. - David Attenborough's Tasmania 00:04
But they're not entirely free from threat.
As much as three times heavier than their mainland counterparts. - David Attenborough's Tasmania 00:05
As much as three times heavier than their mainland counterpa...
It's an adaptation to the cooler southern climate. - David Attenborough's Tasmania 00:05
It's an adaptation to the cooler southern climate.
This male is after tiny invertebrates - David Attenborough's Tasmania 00:07
This male is after tiny invertebrates
And to stay warm in winter, he must find a lot. - David Attenborough's Tasmania 00:05
And to stay warm in winter, he must find a lot.
With no large predators to worry them, - David Attenborough's Tasmania 00:08
With no large predators to worry them,
Only in Tasmania - David Attenborough's Tasmania 00:07
Only in Tasmania
Out of water it's easy to see why - David Attenborough's Tasmania 00:09
Out of water it's easy to see why
But down here he is in his element. - David Attenborough's Tasmania 00:04
But down here he is in his element.
His strange assemblage of body parts soon begins to make sense. - David Attenborough's Tasmania 00:06
His strange assemblage of body parts soon begins to make sen...
..while his otter-like fur keeps him warm. - David Attenborough's Tasmania 00:04
..while his otter-like fur keeps him warm.
His beaver-like tail stores fat. - David Attenborough's Tasmania 00:04
His beaver-like tail stores fat.
But the platypus is best known for its duck-like bill... - David Attenborough's Tasmania 00:05
But the platypus is best known for its duck-like bill...
But some 40,000 receptors in the bill detect electrical signals - David Attenborough's Tasmania 00:10
But some 40,000 receptors in the bill detect electrical sign...
With the need to eat a lot just to keep warm, - David Attenborough's Tasmania 00:09
With the need to eat a lot just to keep warm,
Though also found on the mainland, - David Attenborough's Tasmania 00:08
Though also found on the mainland,
They, like others, are adapted to the island's isolation - David Attenborough's Tasmania 00:08
They, like others, are adapted to the island's isolatio...
Lying 240km south of Australia... - David Attenborough's Tasmania 00:05
Lying 240km south of Australia...
..Tasmania is surrounded by a vast expanse of open ocean. - David Attenborough's Tasmania 00:05
..Tasmania is surrounded by a vast expanse of open ocean.