Thanks, Dean. I imagine there are many mysteries that could be solved if they
ever get them small enough.
Peter Shute
> -----Original Message-----
> From: Dean Ingwersen
> Sent: Monday, 19 January 2015 10:59 PM
> To: ; Peter Shute
> Cc:
> Subject: Locations wanted for Regent Honeyeater in summer
>
> Hi Peter,
>
>
>
> Yes, unfortunately the size of a Regent Honeyeater means it
> is still too small to wear appropriate tracking equipment.
> The biggest Regent weighs around 45 grams, and according to
> ethics guidelines no species is to be fitted with a
> transmitter (including harness or other affixing material)
> weighing more than 5% of its body weight - which for the
> heaviest Regent is 2.25 grams. Unfortunately the smallest
> satellite tracking transmitter weighs 5 grams.
>
>
>
> They can comfortably wear radio-transmitters, and we use
> these for tracking birds post-release during our captive
> releases. They weigh about 1.9 grams when fitted, but these
> have a range of 1km at most and need to be 'manually'
> monitored by an observer. They also only last about 12 weeks
> before the battery goes flat.
>
>
>
> The other thing we've considered are geolocators like those
> used on Ruddy Turnstones a few years ago by VWSG. But these
> need to be recaptured for download (for Regents this would
> only be 1 in 10 banded birds which are resighted, and this
> can take up to 10 years!), and they only have an accuracy of
> +/- 100km from memory...which reduces their effectiveness.
> And there is no 'realtime' data streaming anyway.
>
>
>
> Hope that explains it.
>
>
>
> Cheers, Dean
>
>
>
>
>
>
>
>
>
> How come we can track godwits across the ocean but we can't
> track honeyeaters
>
> these relatively short distances? Are they too small to carry
> the necessary
>
> equipment?
>
>
>
> Peter Shute
>
>
>
> Sent from my iPad
>
>
>
>
>
> Dean Ingwersen | Woodland Bird and WA Program Manager Regent
> Honeyeater recovery coordinator
>
>
> BirdLife Australia
> Suite 2-05, 60 Leicester Street, Carlton VIC 3053
> M 0409 348 553 | T 03 9347 0757 ext 247 | F 03 9347 9323
>
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