Should New Zealanders kill their kittens to save their native birds?

Domestic cats are furry murderers, argues a New Zealand businessman who is spearheading a campaign to get his fellow Kiwis to give them up.

'Save a Kaka, kill your cat' is the message of New Zealand businessman Gareth Morgan, who has started a campaign to rid the ecologically isolated islands of murderous felines in attempt to stem the dwindling numbers of native birds.

For 80 million years, the archipelago has been separated by ocean from any other land. Apart from one mouse-sized animal which went extinct around 16 million years ago, there have never been any land mammals on the islands (although there remain two species of native bat, and plenty of whales, dolphins and seals). That left an ecological niche which was largely filled by birds, being some of the few animals which could reach the islands after the seas split them from the rest of Gondwanaland.

New Zealand has some of the most unique, and clueless, birds in the world. The Kakapo is a giant green parrot which eats grass and has sex with Stephen Fry's head. The Kiwi is the size of a chicken, and lays an egg so big that the female, for the last couple of days of her incubation, has no room for any food in her stomach and must fast. The Kokako is a semi-flightless bird which sings duets in breeding pairs for hours on end and occupies the same niche as a flying squirrel.

None of them were ever exposed to predatory land mammals until the Maori arrived in the 14th century, and so they have very few natural defences against them. The introduction of mice and rats was bad enough, but once cats appeared, it was nearly over. The Kakapo and Kiwi are now critically endangered species, each limited to a few islands which have been cleared of introduced predators — but there's hope for the Kokako, as well as the Kaka and Weka which are also under threat. And one thing which would help is New Zealanders giving up their cats.

Gareth Morgan has started a campaign, Cats to Go, which is pushing for that aim. He writes:

New Zealand is the last refuge of a huge range of bird species, we’re famous for our claim to be clean and green, and some of us have recognised the huge economic benefit, let alone the ecological dividend, from achieving a Predator Free New Zealand.

But the vision is flawed. Almost half of Kiwi households have a cat (or two) making New Zealanders the world’s biggest cat owners. Cats are incredibly effective hunters and are wiping out our native birds.

… Like the parent of a bully saying that their little Johnny would not behave like that, if you’re a cat owner reading this, you are probably thinking that the above statistics don’t apply to your cat. The fact is that your furry friend is actually a friendly neighbourhood serial killer.

He doesn't actually want people to kill their cats directly — though he emphasises that "that is an option" — instead proposing that people put bells on their cats to warn birds, keep them inside, get them neutered, and, above all, not replace them when they die.

Even if it works, there is a long way to go to make New Zealand safe for its native birds. Rats, mice and possums are all widespread and causing damage of their own. But a cat-free New Zealand might still be worth fighting for.

New Zealand's killer kittens. Photograph: Cats to Go

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Why I’m thinking of joining the Labour Party

There’s a lot to admire in the direction Jeremy Corbyn is taking the party – perhaps it’s time to get involved.

Why I'm leaving Labour”, as Owen Hatherley remarked a few days ago, appears to be the new “why I’m leaving London”. However, aside from a few high(ish) profile departures, the bigger story is the net increase in membership of 90,000 that Labour has enjoyed since Jeremy Corbyn became leader. Indeed, the last few weeks have got me seriously considering whether I should add to these impressive numbers and join the party myself.

For me, one of the most cheering pieces of news since Corbyn’s victory was the convening of an advisory committee to shadow chancellor John McDonnell, including policy and academic heavyweights such as Mariana Mazzucato, Ann Pettifor, Joseph Stiglitz and Thomas Piketty. It was a clear indication that some fresh and serious thought was going to be put into the creation of a plan for remaking and rejuvenating the British economy. The early signs are that Labour will be offering a dynamic, high-tech economy of the future, with good pay and job security at its heart, which will stand in sharp contrast to the miserable Randian dystopia George Osborne has been pushing the country into during his time at the Treasury.

Also refreshing has been Corbyn’s use of Prime Minister’s Questions to give a voice to those affected by austerity. Given that our media and political class is disproportionately populated by people from privileged backgrounds, it’s really important that an extra effort is made to ensure that we hear first-hand from those bearing the brunt of these policies. It’s right in principle, and it turns out to be good politics as well. Because apparently many Conservative MPs are too stupid to realise that responding to the concerns of working class people with loud, derisive braying merely provides the public with a neat and powerful illustration of whose side each party is on.

Corbyn has taken a lot of flak in the media, and from MPs on the Labour right, for his response to the Paris attacks. But as someone who researches, teaches and writes on British foreign policy, Middle East politics and security issues, my admiration for the Labour leader has only grown in recent days.  

In the atmosphere immediately after a terrorist atrocity, a discourse emerges where caring about the victims and being serious about dealing with the threat are taken to be synonymous with advocating military responses and clampdowns on civil liberties, irrespective of the fact that fourteen years of pursuing this approach under the “war on terror” has only served to make the problem far worse. At times like these it takes a great deal of courage to articulate a careful, cautious approach emphasising non-military forms of action that address root causes and whose effects may be less dramatic and immediate. Many people were simply not in the mood to hear this sort of thing from Corbyn, but his policies are objectively more likely to make us safer, and I admire him for not being intimidated into silence despite the gallons of vitriol that have been poured on him.

In general, on national security, there is something heavily gendered about the narrative that casts the alpha male Cameron keeping Britain safe versus the dithering milquetoast Corbyn who doesn't understand the harsh realities. We reached the nadir of this stone age machismo during the last election campaign when Very Serious Jeremy Paxman put it to Ed Miliband that he couldn’t have Vladimir Putin in a fight.  After the disasters of the last decade and a half, the time is right to articulate a more intelligent, sophisticated alternative to the expensive, counterproductive militarism of the Conservative Party and the Labour right wing.

The question of whether Corbyn can win an election is certainly one that preoccupies me. He will struggle to attract voters to his right just as Yvette Cooper, Andy Burnham or Liz Kendall would have struggled to win back votes Labour lost to the SNP and the Greens. Enthusing and rallying the perhaps 30 per cent of the electorate who are broadly on the left is one thing, but adding the other 6-7 per cent that you need to win an election is another challenge altogether. Corbyn and his team have been on a steep learning curve since their shock victory in September, and they urgently need to clarify their message and improve their media strategy. Almost all the corporate press are bound to remain hostile, but there are ways to provide them with as little ammunition as possible.

More importantly, Corbyn’s team need to find ways of connecting directly with the public and bring them actively into what he's trying to do. In the current anti-politics mood, an opposition party based on a genuine, engaged mass movement could be a formidable force. Initiatives like “Momentum” will need to make quick and substantial progress.

Fundamentally, Corbyn’s Labour has to do what everyone concerned with genuine social progress has had to do throughout history: articulate points of view that go against prevailing orthodoxy, and do so in as persuasive a way as possible. By definition, these are battles against the odds. But you can't win them if you don't fight them. And for me, and I think most people on Corbyn's part of the left, five years of austerity have taken us beyond the point where we can accept the least worst version of the status quo. That prospect has simply become too painful for too many people.

So will I join? I’m still unsure. Without doubt there will be times when the leadership needs constructive, even robust criticism, and as a writer and researcher I may feel more free to articulate that outside of the Labour tribe. But whatever choice I make, the point for me is that this isn’t really about Jeremy Corbyn so much as the wider movement he represents, demanding a real change of course on politics, economics and foreign policy. That collective effort is something I will certainly continue to play an active part in.

David Wearing researches UK-Saudi-Gulf relations at the School of Oriental and African Studies, where he teaches courses on Middle East politics and international political economy. He sits on the steering committee of Campaign Against Arms Trade.