Mothplant: The Master of Disguise Strikes Again

Despite a determined summer-long effort to hunt down and remove flowering mothplant before it could turn to seed, this persistent weed has well and truly earned its title as the Master of Disguise. A surprising number of vines slipped under the radar and, with a wet, humid summer and autumn providing near-perfect growing conditions, they’ve flourished and pods are popping up everywhere.

In some cases, the scale of the problem has been overwhelming. Several vines were discovered climbing more than 30 metres high into a towering totara tree, placing their pods frustratingly out of reach. An earlier attempt to tackle these on Sunday, 27 April highlighted just how challenging the task would be.

On Sunday, 3 May, we joined forces with members of the Meek family.  Len, Jo, Sarah, David and Ezekiel helped to tackle a particularly large infestation. Two and a half hours of determined effort saw us pulling vines out by the roots, combing through dense growth, and gathering pod after pod until a large weed sack was filled to the brim. With stubborn determination, gentle tugging, and some effective use of long-handled poles, we managed to dislodge some of the higher pods.

The effort didn’t stop there. On Monday, 4 May, we joined Kaye Meuller and spent another two and a half hours tracking down and removing more pods.

And just when we thought we could switch off for the week, guess what we spotted lining the borders of the Southern motorway. 

A heartfelt farewell to Neil and Sheryl

It is with sadness that we farewell two highly valued conservation stalwarts, Neil Sutherland and Sheryl Corbett, who are retiring from conservation work in Leigh and relocating to Warkworth. For more than 19 years they have made a significant and lasting contribution to a wide range of local conservation initiatives in the Leigh area.

Sheryl and Neil established the Leigh Coastal Care Group  (since renamed the Coastal Restoration Group) as a project of the Warkworth branch of Forest and Bird Society.  They had been involved in Forest and Bird for many years and Neil served as chair of the North Shore branch. They were honoured by Forest and Bird with the Old Blue award a few years ago.  They played a key role in organising regular working bees to address high-density weed infestations in coastal areas around Leigh.  As well as carrying out pest plant control, they have both been committed trapping volunteers and street coordinators for Pest Free Leigh and have undertaken pest control and monitoring work for the Forest and Bird Leigh Penguin Project.

Neil and Sheryl were consistently among the first to volunteer at Leigh Harbour Valley Society working bees.   They are widely respected for their extensive knowledge of coastal weeds and restoration practices. Their dedication, reliability, and generosity in sharing their expertise have been of immense value to the community.

Their presence will be really missed by all those who have had the pleasure of working with them, and we are extremely grateful for the many years of time, effort, and passion they have given. 

We wish Neil and Sheryl every happiness in their new home and have no doubt they will continue to make a positive impact in conservation efforts in the Warkworth area.

A reward for years of Pest Control

Forest Geckos

We’ve had some exciting wildlife sightings recently on Mt Pleasant Drive. Two Forest Geckos have been spotted in different locations in less than a week. We managed to photograph one of them, although the other quickly disappeared into the foliage before we could get a picture.

According to ecologist Virginia Moreno from Forest Bridge Trust, this is very encouraging news. Despite their name, the Common Forest Gecko is actually rarely seen. Their excellent camouflage and secretive habits mean they can easily go unnoticed.

Virginia explained that these sightings suggest they are part of a healthy local population and that Forest Geckos also show strong site fidelity, so there is a good chance we may see them again in the same area if we keep looking. However, their camouflage makes them remarkably easy to miss.

For those interested in identification, Forest Geckos can often be distinguished from Pacific Geckos by their yellow (rather than pink) mouth colour and the series of ‘W’-shaped markings along their backs, rather than the more blotched pattern typical of Pacific Geckos.

As Chris Floyd from QEII National Trust commented, sightings like this are a wonderful reward for the many years of pest control work in the area. For small, vulnerable species such as geckos, it can take many years of sustained predator control before populations recover enough to become visible again.

It’s a great reminder that persistence pays off and that all the trapping and baiting carried out over the years is helping native wildlife quietly return.

February in the field

February has been a busy month for our team of volunteers, with plenty of trapping, baiting and weed control underway. A particular focus has been tackling climbing asparagus and mothplant, both of which are quick to take advantage of the warm summer conditions.

The signs continue to suggest that pest numbers are being well controlled. As well as the increase in birdsong around the valley, there are also some smaller but equally positive clues. In a few areas, piles of karaka fruit are now sitting undisturbed beneath the trees; something that rarely happens when rat numbers are high. Even the weed bags have been teeming with weta; another good indicator that predators are being kept in check.

We had planned to launch our German wasp control programme in February. However, after a relatively cool, wet summer, the numbers of protein-seeking wasps have been much lower than usual. Instead, we will focus on getting the control lines established so everything is in place ahead of the next wasp season.

For now, the growing chorus of birdsong is an encouraging sign that the work being done is making a real difference.

Busman’s Holiday

It was a busman’s holiday (or rather a bushwoman’s one) for Penny Erikson during her recent stay in Leigh.

Penny is a member of a Sydney bush restoration group and carries out weekly restoration work with a team of volunteers across North Sydney, the Inner West Greenway, and Strathfield.

While Penny and her team deal with a range of weeds not commonly seen in Leigh and the surrounding area, many familiar species are shared including climbing asparagus, madeira vine, and the infamous mothplant.

Our focus during these holidays was flowering mothplant, which is popping up everywhere. It is critical to remove vines while they are flowering, before seed pods form and the cycle begins again. With Penny’s help, we cleared at least 60 large vines and many hundreds of smaller ones, preventing the formation of literally thousands of pods.

December Working Bee near Tenetahi Road

On Saturday, 6 December, a group of 15 students and leaders from the St George’s youth group, joined the LHVS for a two-hour working bee near Tenetahi Road. After a brief educational session on the key weed species in the area, the group got to work, focusing primarily on clearing kahili ginger and climbing asparagus.

The weather was fabulous.  After a BBQ lunch, the students were taken on a short trapping trip upstream, where they were able to see some of the trap boxes they had built. Another visit is planned in the New Year by the team co-ordinator, Evan Walters, together with students from Auckland Grammar.

A Productive Weekend of Restoration Work

On Friday 3 and Saturday 4 October, we had a very productive couple of days when Florence Nathan contributed an impressive 10 hours of voluntary restoration work as part of the William Pike Challenge.

On Friday afternoon, Florence spent two hours checking and rebaiting traps along Mt Pleasant Drive and Cape Rodney Road. Only one rat had been caught in a DOC200.

Saturday was a full and busy day. Florence helped establish new bait and trap lines, checking and rebaiting the Valhalla bait stations and setting up rat boxes with T-Rex traps in five new locations. Traps and bait stations were also distributed around a new property to extend existing trap lines, and Florence helped prepare traps and stations for placement on another site.

In the afternoon, Florence spent three and a half hours clearing Japanese honeysuckle along Mt Pleasant Drive;  in the process saving several established trees that were being strangled by this invasive vine. She then planted a dozen ti kouka (cabbage trees). To finish the day, she was introduced to a local weed hotspot and learned to identify numerous pest plants.

Florence proved to be an enthusiastic, capable, and hardworking volunteer and a great trapping and weeding companion. She probably would have continued until dusk if she hadn’t been encouraged to stop. The best news is that she loved the trapping and weeding work and is keen to volunteer again.

Thanks, Florence, for all your hard work!

Hawke and Freddie Visit

Back in February 2024, we were thrilled when Forest Bridge Trust detected a single long-tailed bat on a monitor placed along the edge of the bush on Mt Pleasant Drive.  It was a small sign, but an exciting one, hinting that our precious native pekapeka might be living close by.  Both the long-tailed bat and the lesser short-tailed bat are in danger of becoming extinct if more isn’t done to reverse their decline.  

On Friday, 29 August, bat expert Freddie Hjelm paid us a visit, accompanied by Hawke – New Zealand’s very first bat detection dog. It was such a joy to see Hawke again. We feel we’ve developed a special bond with him after spending so much time together, including over the past two Christmases.  Gentle by nature, Hawke is a delightful dog and perfectly suited to his detection role.   This time, however, Hawke wasn’t working, and he looked rather put out when Freddie instructed him to hop back into the ute!

During his visit, Freddie took a short walk through the bush, pointing out lots of promising roosting sites. He also showed us a pekapeka that had sadly fallen victim to a cat – a stark reminder of the threats these fragile creatures face. It’s hard to believe such tiny animals have such an impressive wingspan. Freddie also shared a few tips on how to spot pekapeka at night, leaving us with fresh hope that they could be visiting the area more often than we realise.

Just over a week later, on Monday, 8 September, Freddie returned to Leigh. With assistance from Jo Evans and Sue Gibbings, he installed three bat detection monitors across the surrounding area. These devices will quietly record through the nights, and in a few weeks, Freddie will return to collect them and analyse the results.

We’re eagerly waiting to find out what they reveal. Even one more detection would be a huge encouragement for our efforts to create a safe home for these endangered creatures.

New Zealand’s first ‘bat dog’ RNZ
Fredrik Hjelm is the handler for Hawke, New Zealand’s first dog trained to sniff out dead native bats in an effort to find out more about what has killed them. www.rnz.co.nz

Frances Dickinson – Te Kohuroa Rewilding Iniative

It was a pleasure to recently meet Frances Dickinson, founder of the Te Kohuroa Rewilding Initiative . 

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tekohuroarewilding.orghttps://www.tekohuroarewilding.org

Frances is a passionate environmentalist and has provided valuable advice to support our efforts to protect a magnificent, ancient kauri on a paper road, which is at risk due to the area being recently formed into a walkway.  We are very grateful for her wisdom and guidance.

Bullock Track/Tenetahi Rd

On Sunday 17 and Monday 18 August, 12 volunteer hours were spent weeding and planting along the bullock track/Tenetahi Rd. Marcus Moody helped remove more jasmine, among other weeds, and to plant around 100 eco-sourced plants. The area is gradually taking shape, and we’re heartened that we might win this battle after all.