08.12.2012 Views

Education and Advocacy in Conservation – What's the measure?

Education and Advocacy in Conservation – What's the measure?

Education and Advocacy in Conservation – What's the measure?

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Nest monitor<strong>in</strong>g <strong>–</strong><br />

Arthurs Pass <strong>and</strong> Nelson Lakes<br />

Tams<strong>in</strong> Orr-Walker, Kea <strong>Conservation</strong> Trust<br />

Funded by Well<strong>in</strong>gton Zoo <strong>Conservation</strong> Fund (WZCF)<br />

<strong>and</strong> <strong>the</strong> New Zeal<strong>and</strong> Lottery Grants Board<br />

This is <strong>the</strong> second year of this<br />

project which aims to conduct<br />

follow-up monitor<strong>in</strong>g of two<br />

known kea populations <strong>in</strong> two<br />

key study areas (Nelson Lakes<br />

<strong>and</strong> Arthurs Pass). Both areas<br />

are <strong>in</strong>tegral to a larger population<br />

research project which has been<br />

run annually for three years <strong>in</strong><br />

Nelson Lakes (2009 -2011) <strong>and</strong><br />

four years <strong>in</strong> Arthurs Pass (2009-<br />

2012). This census work aims to<br />

establish <strong>the</strong> density <strong>and</strong> stability<br />

of kea populations <strong>in</strong> a number<br />

of key areas which are subject<br />

to different pest management<br />

regimes. The nest monitor<strong>in</strong>g<br />

<strong>and</strong> track<strong>in</strong>g project will provide<br />

crucial support<strong>in</strong>g <strong>in</strong>formation<br />

for <strong>the</strong> summer survey by<br />

ascerta<strong>in</strong><strong>in</strong>g status of kea pairs,<br />

nest<strong>in</strong>g activity, <strong>and</strong> movement,<br />

migration <strong>and</strong> survivorship of<br />

radio tracked (Tx) kea throughout<br />

<strong>the</strong> year with<strong>in</strong> each of <strong>the</strong> study<br />

areas.<br />

ARTHURS PASS: At <strong>the</strong> start<br />

of <strong>the</strong> 2011 season <strong>the</strong>re were<br />

twenty-one kea radio tagged <strong>in</strong><br />

<strong>the</strong> Hawdon valley, Arthurs Pass<br />

to be monitored. Six transmitters<br />

were found to be <strong>in</strong> mortality<br />

mode (4 of which were adult<br />

breed<strong>in</strong>g females). The loss of<br />

<strong>the</strong>se birds significantly reduces<br />

<strong>the</strong> possible sample size of nests<br />

to monitor. Additionally, n<strong>in</strong>e<br />

transmittered birds rema<strong>in</strong>ed<br />

unaccounted for result<strong>in</strong>g <strong>in</strong> only<br />

six kea able to be followed. Three<br />

of <strong>the</strong>se kea are adult females<br />

of which only one has been<br />

identified as attempt<strong>in</strong>g to breed<br />

this year (Queen Pow Pow).<br />

The o<strong>the</strong>r two females showed<br />

no <strong>in</strong>dication of hav<strong>in</strong>g active<br />

cavities or any notable courtship<br />

or nest<strong>in</strong>g behaviour. Nest<br />

cameras set up at <strong>the</strong> Queen<br />

Pow Pow’s nest showed that<br />

this nest was ab<strong>and</strong>oned with an<br />

egg <strong>in</strong>tact <strong>and</strong> this pair moved to<br />

ano<strong>the</strong>r nest site which also did<br />

not produce chicks. Information<br />

gleaned from this nest<strong>in</strong>g season<br />

appears to <strong>in</strong>dicate that <strong>the</strong> high<br />

number of deaths of both adult<br />

<strong>and</strong> sub-adult birds may now be<br />

affect<strong>in</strong>g productivity. A case <strong>in</strong><br />

po<strong>in</strong>t is <strong>the</strong> late 2010 nest<strong>in</strong>g by<br />

12<br />

Mrs Moon (one chick fledged at<br />

<strong>the</strong> end of April 2011). Mrs Moon<br />

died one month later on 8 June<br />

2011.<br />

NELSON LAKES: In total<br />

eleven telemetry checks were<br />

conducted <strong>in</strong> this area. In August<br />

2011, a light aircraft was used<br />

to radio track birds (thanks to <strong>in</strong>k<strong>in</strong>d<br />

support from DOC). Seven<br />

kea are presently radio tagged<br />

<strong>in</strong> Nelson Lakes <strong>–</strong> two of <strong>the</strong>se<br />

are adult females, Ceejay (mate<br />

Kelly recently deceased), <strong>and</strong><br />

Aphrodite (mate most probably<br />

G<strong>and</strong>alf). The area’s additional<br />

breed<strong>in</strong>g female Fidget (mate<br />

Phantom) is not yet radio tagged.<br />

The two active satellite tagged<br />

birds are both sub-adult males<br />

who have not yet formed any<br />

Photo: Corey Mosen

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!