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Actively supporting NZ’s endangered wetland birds
Parera female with 3 fledglings -Wharemauku Feb 17 2014 |
The
critically endangered Parera or NZ Grey Duck has raised two broods at the dune
lake this season and now we have a confirmed sighting of a third. This (rather
anxious) female with her three adolescent youngsters was photographed in the
Wharemauku at the back of the Paraparaumu airport at midday on February 17.
Parera at Wharemauku Sept 2013 |
We
thought they had been decimated by the drought and then the duck shooting
season, yet have sighted these birds quite regularly this year, which suggests
that they may be flying in from quite a distance. A pair set up residence down
at the lake over a number of weeks in September and then a lone male in
October. They disappear while sitting on their nests, but then a brood came out
on the lake in November, and another very late brood over Christmas.
The
surprise is that the males stay with the females for some time after the chicks
hatch which (introduced) Mallard males never do. We thought the season well
over with the lake now dry so this has taken us by surprise. We have seen female
ducks taking their youngsters from the lake down into the Wharemauku and perhaps this has
happened here. The local Council has recently cleaned weed out of the
waterways. This would have provided them with cover and food, and perhaps this
has flushed them out.
The
implications for the expressway and other development around the airport -on
paper at least- remain serious. The expressway contractors are required to stop
work during the breeding season of birds cited by DoC as being nationally
threatened. Dabchicks -one was settled at the lake from September through October- fall
into this category, while parera are much more seriously endangered. They may be
our most endangered native bird, and they are certainly our most neglected. It makes
a mockery of the Nation’s environmental credentials, that they can still be
legally shot in the duck shooting season.
Trucks working at the airport close to where the Parera were sighted-February 17 2014. |
The
NZTA scientists, for their part, dismissed the local presence of these birds out
of hand, (the suspicion was raised that they couldn't tell the difference between Parera and Mallard) and their fate in consequence was ignored by the Environmental
Protection Agency’s risible Board of Inquiry. The confirmed prescence of these
birds should also impact on new airport development adjacent to the Wharemauku
and the drain where these birds were photographed.
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