This 2012 video is called INCREDIBLE NEW ZEALAND WILDLIFE.
By Ann Graeme in New Zealand:
8 Mar 2018
The Lazarus Effect: protect one species, resurrect a whole forest
Pest control is saving more than just the Kiwi: species that haven’t been seen for years are reappearing in New Zealand’s forests. Ann Graeme shares inspiring stories of native birds, plants and insects that have returned after community conservation for a different species – “The Lazarus Effect”.
A version of this article first appeared in Forest & Bird magazine. To find out more about conservation in New Zealand, see here.
It rained in the night. My pack is heavy with rat bait, and I am following East 5, a bait line marked with pink ribbon, through the forest. Up, down, up the bank. It’s steep and slippery, and I pull myself higher, clutching the tree trunks. There’s the bait station. I open it, pull out the wire, slip on the baits, close the lid, and look about for the next station. It’s far below, its pink ribbon fluttering.
I’m tired and wet and muddy, and I can’t help thinking, “Is it worth it? Am I doing any good?” Then, as I put my hand on a fallen log to heave myself over, I see an insect. Not just any old insect, but an amazing and bizarre insect – a Giraffe Weevil Lasiorhynchus barbicornis. It looks at me with its beady eyes and waves the little antennae at the tip of its ridiculously long snout. Those antennae show it is a male, because female Giraffe Weevils sensibly have their antennae further along the snout, out of the way for digging.
Giraffe Weevils are not rare, but they do make crunchy mouthfuls for a rat. This weevil, brazenly clambering over a rotten log, confirms my hope that our rat control is effective and that the bait I am carrying is giving the native plants and animals a better chance of survival.
Yes, it is worth it, this work, month after month, by hundreds of local volunteers in dozens of forest restoration projects. As the pests are driven back, seeds sprout, shoots appear, and birds, lizards, and invertebrates can emerge from the shadows. Here are some of their stories.
More than 25 years ago landowners on the Russell peninsula, in Northland, engaged Laurence Gordon to protect Kiwi living on their properties. Kiwi flourished under his pest-control regime and, since the turn of the century, his work has been enhanced and extended by the Russell Kiwi Protection Trust, an initiative of Russell Landcare Trust. Now there are more than 500 Kiwi on the peninsula, and birds can be heard calling in the township of Russell.
And it wasn’t only the Kiwi who benefited from pest control. To the residents’ delight, they began to see New Zealand Tomtits Petroica macrocephala, which hadn’t been seen for decades. The little birds can rear their chicks more safely now there are few rats, stoats, and possums to raid their nests.
In 1995, North Island Weka Gallirallus australis greyi (classed as Vulnerable to extinction) were released on the peninsula. They were captive-bred birds reared by Forest & Bird members. They too have prospered and now number several thousand. And these are only the tip of the iceberg. No doubt a host of other unseen and unnoticed native animals are flourishing thanks to the pest control intended to help the Kiwi.
Like Tomtits, the Riflemen Acanthisitta chloris are vulnerable to nest-raiding predators. Riflemen had not been recorded in the Kaimai Range, west of Tauranga, but seven years after pest control began in nearby Aongatete, they turned up in the forest there! A few birds must have been surviving all along, and now pest control has allowed them to breed and multiply.
Riflemen too are being seen again in the Talbot forest of South Canterbury, and so are Tūī Prosthemadera novaeseelandiae. That is thanks to the volunteer efforts of the Talbot Forest Working Group. In Wellington, residents may be lucky enough to enjoy a visiting Kākā Nestor meridionalis (Endangered), a bird unseen in the city in living memory. They are flying from Zealandia, that pest-free jewel in suburban Karori.
Not every pest-control and restoration project will see the resurrection of a charismatic species, but every project will enjoy more subtle signs, such as the Clematis flowers that, thanks to volunteer possum control, now delight people driving from Mangawhai to Langs Beach.
Every pest we kill means fewer leaves or eggs or beetles are eaten and more flowers, Fantails, and insects thrive. And as well as these visible signs, the consequences of a healthy forest mean less erosion, clean water in the streams, and a greater store of carbon, the ultimate gift in a warming world.
Ann Graeme is a volunteer at the Aongatete Forest Project, south of Katikati, in the Western Bay of Plenty.
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