26 August 2013
Sound-system to attract birds to Abel Tasman National Park
A sound-system has been installed on Fisherman Island (Motuarero-iti) in the Abel Tasman National Park to encourage
sooty and fluttering shearwater to take up residence.
Shearwater calls will be broadcast at night from a speaker on the island to attract young birds to the area in the hope
they will breed there in years to come.
Project Janszoon ornithologist Pete Gaze says since mice were eradicated from the island it has been entirely free of
predators.
“Sometimes our birdlife needs encouragement to re-establish in areas that are now safe from predators. With seabirds
such as sooty shearwater and fluttering shearwater (titi) it may be as simple as broadcasting their calls from safe
sites to convince them that their mates have already taken the plunge,” he says.
The sound-system is similar to one that Project Janszoon installed on cliffs on the Awaroa headland last year to
encourage shearwaters to nest on the mainland. A team including Pete Gaze, Joy Shorrock and Ngarangi Marsh representing
Ngati Rarua and Te Atiawa, Department of Conservation representatives, and a volunteer from the Abel Tasman Birdsong
Trust erected the Fisherman Island sound-system on Friday.
Joy Shorrock says the group noticed that robins (toutouwai) have recently colonised Fisherman Island from nearby
predator free Adele Island. “To see that the island is now a safe haven for birds is very special. We support what
Project Janszoon is trying to achieve and look forward to seeing the results,” she says.
Although these shearwaters are seen around the Abel Tasman Coast each year only small colonies have survived in Tasman
Bay, including a few birds on Tonga Island. Any new colonies in this area will need to draw on an overflow from some of
the more productive colonies on islands in the Marlborough Sounds.
“Re-establishment of colonies in the Park would not only be good for the birds but for the whole community of plants,
invertebrates and lizards that thrive in such nutrient rich environments,” says Pete Gaze.
ENDS