Wonderful news Mike .. especially finding the previously unknown colonies.
Jude
On 7/18/14, Michael Tarburton <> wrote:
>
> Good News for Aussie Swiftlets
>
> Shirl & I have just spent 5 weeks censusing the swiftlets at
> Chillagoe-Mungana, West of Cairns. The good news is that the last
> two seasons have received normal rainfall, unlike the previous four
> years, where La Nina has washed many nests from the roofs of the
> caves. You can see some of the damage in the photos included in the
> last two papers at the end of this web page
>
> http://www.swiftsoftheworld.info/spplist.htm
>
> At Mudlark and Hercules caves where there had been no birds roosting
> or breeding in 2011, we found two and ten birds roosting. At
> Swiftlet Scallops #2 Cave where only 2 birds were sleeping in 2011,
> we found 20 roosting birds in June 2014.
>
> Some other colonies had increased, but many are still lower than
> normal. This is particularly true where feral cats have also been
> hitting the colonies at the same time as the rain has been washing
> nests off the walls and drowning eggs and birds.
>
> The last bit of good news is that we found three colonies that were
> unknown to us previously. One of them had 550 birds, the others 26,
> and 60+.
>
> Happy birding
>
> Mike
>
>
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