Operational Programme


Sanctuary Operational Plan 2023


  • Maintaining plant and animal pests at zero to low densities and monitor outcomes.
  • Monitoring of chevron skink and black petrel
  • Seabird survey in January
  • Sanctuary rat tracking tunnel average of less than 10%
  • Continue catch up of track maintenance
  • Focus weed programme around dwellings
  • Review spacing between stations and retire extra stations
  • Reintroduce traps to Perimeter RB and BW
  • Create bait depots for each area

Pest Managed Areas

  • Rat/mice management programme – monthly perimeter station checks in LWH, BHB, BW, TR, and RB.  Quarterly checks on internal tracks for all areas
  • Trap bait – to limit bait take from ants over summer months use macadamia nuts or licorice.
  • Aim to achieve rat tracking tunnel annual average of 10% or less. Record all catches of mice, kiore, or ship rat.

Little Windy Hill (LWH)

  • 50% stations in 100 grams of diphacenone, 50% traps at 25m spacing on tracks. Checks -Mar, June, Sept, Dec.
  • Objective – Keep tracking tunnels below 10%

Benthorn Farm Bush (BHB)

  • 50% traps, 50 % x 100 grams diphacenone at 25m spacing on tracks. Checks – Feb,May,Aug,Nov.
  • Objective – Keep tracking tunnels below 10%

Benthorn Farm Paddock (BHP)

  • 100% traps at 25m spacing – fortnightly check
  • Objective – maintain low tracking tunnel rates with trapping only.

Rosalie Bay (RB)

  • Internal tracks 100% 100 grams diphacenone at 25 m spacing checked quarterly – Jan, Apr, Jul, Oct. Perimeter track 50 % traps, 50% 100 grams diphacenone at 25 m spacing checked monthly.
  • Objective – Keep tracking tunnels below 10%.

Big Windy (BW)

  • Internal tracks 100% 100 grams diphacenone at 25 m spacing checked quarterly – Feb, May, Aug, Nov. Perimeter track 50 % traps, 50% 100 grams diphacenone at 25 m spacing checked monthly.
  • Objective – Keep tracking tunnels below 10%.

Taumata (T)

  • 50% stations 100gram diphacenone bait and 50% Max Supervisor traps – checked three monthly – Mar, June, Sept, Dec.

Tryphena Ridge (TR)

  • 50 % stations in 100 grams Diphacenone internal and perimeter plus  50% traps at 25m spacing on internal tracks, 12.5m spacing on perimeter tracks – monthly check.

Other Pests


  • Maintain pressure on pig densities by reporting pig sign to Dean and hunting as soon as possible after sighting. Tie down all stations to reduce impact of feral pigs.


  • Undertake the 6 cat runs three times a year
  • Trial feather boas in cat traps to increase attraction.
  • Replace broken traps with new double ended design or other spare cat traps.
  • Spray cat cages with fisheline.


  • February (or when clear wasps are active) – activate 420 wasp stations for period of 3 days then repeat in 1 week.
  • Report wasp’s nests on a sheet and treat with Carbaryl.

Weeds – Designated weed team to catch up on weed programme

  • Familiarise field team members with weeds – put up weed chart in shed.
  • Follow up on weeds identified in Auck City Weed Survey. Find and remove.
  • Team weed blitz at Dereks – March.
  • Check plectranthus and aristea from (around A frame) and Mexican devilweed where seen.
  • Remove/spray/treat pampas with pellets as seen.
  • Remove Mexican daisy when seen – flowering. (Rose, Rachel)
  • Remove or spray aristea at Gilbert/Scrimgeour and on Benthorn driveway.
  • Remove agapanthus from Scrimgeour.
  • Remove Watsonia as seen.



Rat Tracking Tunnels 4 x per annum

  • 160 tracking tunnels – 125 in Managed area – 35 in unmanaged area
  • Monitor overnight in first week of Feb, May, Aug, and November.


  • December – participate in island wide bird monitoring programme.
  • Seabird survey with Jo Sim in Jan 2023
  • BP petrel – set up cameras on a nest . Kate. Clear any supplejack from nesting areas.
  • Replace and re-establish bird caller in spring?

Weta, Lizard, Invertebrate, Seedlings

  • Refresh Onduline Motels – clear around and reset.
  • Monitor 40 Lizard, and 10 Weta motels in May and November. Count and identify invertebrates in Lizard motels. Move wooden lizard boxes with ant nests to more suitable sites. GPS on BW to WH.
  • Report all chevron skink sightings and location, GPS if possible.


  • Silvereye Protection trial – evaluate reduction of silvereye mortality in traps by trialing 20 tunnels in front of trap entrance. April . Put cameras on a few. Identify best trial spot.
  • Keep data on trap deaths.
  • Feather boas placed in Cat traps

Field Maintenance

  • Track Clearing – list priorities
  • Replace broken traps or boxes. Tie down.
  • Carry out rope audit of existing ropes and replace ropes that are old.
  • Clear farm track Taumata – October
  • Wet Weather Work – packing and unpacking bait. Dating traps. Cleaning buckets.
  • Station maintenance – check all stations are level, and free of vegetation.

Field Base

  • Maintain shed in orderly and efficient manner.
  • Maintain personal field gear – use dubbin on boots, spray jackets and pants with weather proofing.
  • Ensure cell phones charged every day.
  • Daily field team location board kept up to date.
  • First aid kits up to date and taken in backpacks.
  • Chainsaws and trimmer kept maintained.
  • Up to date inventory to ensure timely ordering of new equipment.
  • Rubbish disposed of.
  • Old bait in composting worm farms.
  • Remove compost from 2 bins to create space for new bait.


  • Outdoor First Aid Course – Maxine/Kate refresher. Course for new employees.
  • Chainsaw and Growsafe course as required.
  • Monthly toolbox meeting – 1st Mon or Tues of every month.
  • Bi-Monthly OSH Hazard review and Emergency Procedure refresh.
  • Complete low risk accident ledger for all non-serious accidents.
  • Ensure accident forms are completed if required.

Team Building

  • Monthly after work drinks
  • Mid-year dinner
  • Open dialogue – everyone has something of value to offer
  • Blitzes all working together – weeds
  • Taking and sharing photos.

Our Partners & Sponsors

Foundation North
Auckland Council
Scott Macindoe Education Trust
Living Simply
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Phibbs & Co. Pro Bono Accounts
Kelvin Floyd Mapping
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