Today I watched a Noisy Miner fly towards a particular spot in the
middle of a paved area outside a public building. The area was
carpeted with fallen leaves from Prunus trees and just before landing
the Miner gave an extra swoosh to the wings which caused many of the
leaves to lift and fall back the other way up from the way they had
been lying. The Miner then pottered around for a few minutes examining
leaves and seemed to glean a few insects from those that had turned
over. It then flew to another spot and repeated the process. I am sure
that the downstroke which caused the leaves to turn over was
deliberate as I have seen NMs land on flat surfaces before and they
don't give this extra downstroke.
Although this was a artificial environment I don't see why this
behaviour wouldn't have been effective in the woodland environment,
where leaf litter lay about.
--
John Leonard
Canberra
Australia
www.jleonard.net
"I rejoice that there are owls." Thoreau
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