Approximately one-third of New Zealand’s islands are now free of all invasive mammals. Could Auckland Island be next? Predator control and eradication operations are often carried out in winter – when predators are hungry and uptake of bait likely to be greater. But when it comes to … [Read more...] about Would summer eradication of rodents work for Auckland Island?
Techniques/technologies
Dual 1080 application could be key to possum and rat eradication
Dual 1080 operations - would two toxin applications a few weeks apart work better than one? Possibly, if a few other conditions are also met. Currently, aerial 1080 drops are used to control introduced predators, but not expected to totally eliminate them. Aerial 1080 application is used to knock … [Read more...] about Dual 1080 application could be key to possum and rat eradication
New toxin combination tested for rats and possums
Up until the 1950s, most pest control toxins for vertebrates, including rats, were fast-acting. While a quick death for pests is a good thing humane-wise, the issue was, rats didn’t necessarily die. They’d try a little toxin, quickly feel the effects and sensibly refuse to have anything more to do … [Read more...] about New toxin combination tested for rats and possums
Citizen science monitoring method outlined and tested
Monitoring wildlife population densities in our ‘mainland island’ fenced sanctuaries is an important part of measuring sanctuary success and assessing the longterm costs and benefits of predator-exclusion fencing. Such fences don’t come cheap, after all. What's the best way to monitor population … [Read more...] about Citizen science monitoring method outlined and tested
Gene editing for pest control
Should we be using gene editing in New Zealand for predator control? How and where might it be used? What is even possible? DNA strand. The Royal Society Te Aparangi have just released a range of resources considering what gene editing is and how it might be used in New Zealand. The Royal … [Read more...] about Gene editing for pest control
Review of conservation tools under development
The Journal of Ornithology has just published a review of the conservation tools being developed for New Zealand’s Predator Free 2050 eradication programme. The paper’s authors, Elaine Murphy (DOC and Zero Invasive Predators – ZIP), James Russell (ZIP and University of Auckland), Keith Broome (DOC), … [Read more...] about Review of conservation tools under development
Kōkako genetics investigated
Translocations have been an important part of North Island kōkako population recovery, but when you’re obtaining your founding birds from small relict populations it’s important to maintain and even improve genetic diversity. University of Otago Zoology Masters graduate Meghan Milner-Jones studied … [Read more...] about Kōkako genetics investigated
Study seeks future homes for kakapo
The kakapo population is outgrowing its island refuge – but where might future kakapo live? In a predator free future, the answer could include protected mainland sites provided there are sites that are big enough, safe enough and with the right kind of habitat for kakapo to thrive. If those likely … [Read more...] about Study seeks future homes for kakapo
Long-range study follows kiwi for 22 years
A 22-year study in Tongariro Forest has followed 142 radio-tagged North Island brown kiwi through 4 landscape-scale aerial 1080 operations, covering an area of 20,000 hectares. Not only did all 142 kiwi survive the 1080 drops, but the long-term study reveals a swag of other interesting information … [Read more...] about Long-range study follows kiwi for 22 years
New clues in the search for synthetic lures
Peanut butter is the standard rat attractant – and apparently, they’re pretty keen on chocolate and Nutella too. But researchers at Victoria University of Wellington’s ‘Centre for Biodiversity and Restoration Ecology’ have come up with some chemical compounds that wild rats seem to rate even better … [Read more...] about New clues in the search for synthetic lures