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Our Changing World

with Dacia Herbulock & Amelia Nurse

Thursdays 9 - 10pm

Audio from Thursday 1 May 2008

Not all audio is available due to copyright restrictions.

21:06 Colossal Squid

Dacia monitors the defrosting and examination of the world's largest squid. (24′42″)

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21:35 Crete, the Mustelid Dog

Sniffing out any rogue weasels at the Karori Sanctuary. (24′55″)

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On This Programme

Technician Mark Fenwick with the squid & media

The examination of a colossal squid this week at Te Papa has become something of an international event. The squid - the largest of its kind ever found - has been frozen since it was accidentally caught by fishermen off Antarctica last year. This week scientists carefully defrosted the squid under the curious gaze of the world's media.

Dacia Herbulock spent several days "tank-side" with the scientists involved - including "squidman" Steve O'Shea - watching the spectacle unfold.

Frozen squidFrozen squid and the team

Colossal Squid Defrosting

Squid arm hooks

All images sourced from the Te Papa's Colossal Squid Blog

DOC ranger and dog trainer Scott Theobald with CreteMustelids (stoats, ferrets and weasels) together with cats and rodents pose a grave threat to New Zealand native species. The Karori Wildlife Sanctuary is an urban haven for a number of endangered species including kiwi, robins, geckos, weta, saddlebacks, kaka and long tailed bats.

A specially designed fence is one strategy the sanctuary employs to prevent invasion by mammalian predators. The sanctuary's rigorous bio-security measures have proved exceedingly effective and there have been only two breaches in nine years.

Conservation Scientist Raewyn Empson with the rogue weaselWhen a weasel was sighted in February, staff were prepared and a trapping plan swung into action. The weasel was caught but they had to be sure it was the only one and called in a bio-security team.

In the final part of our series at the Karori Wildlife Sanctuary, Amelia Nurse joins DOC ranger Scott Theobald and his mustelid detecting dog Crete on their second audit of the sanctuary since the invasion.

Conservation scientist Raewyn Empsom (right) with the offending weasel. Photo courtesy of Karori Wildlife Sanctuary.

Footage shows the dramatic showdown at Karori Sanctuary on the afternoon of 22 February when members of the public helped Sanctuary staff (lead by Raewyn Empson) trap a weasel at the world-first fenced sanctuary in Wellington.

North Island RobinMustelid detecting dog Crete with North Island Robin

A North Island Robin, and right with Mustelid detecting dog Crete, showing why some native New Zealand birds need human intervention to protect them from mammalian predators.


The Team

Presenters:

Photo of Alison Ballance

Alison Ballance

Photo of Ruth Beran

Ruth Beran

Photo of Veronika Meduna

Veronika Meduna

About Our Changing World

A mix of in depth interviews, packages and sound rich features, Our Changing World covers topics across all scientific disciplines, natural history and environmental issues, and developments in health as well as exploring the human side of science and the personalities behind it.

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