While surfing the net today I came across a request for info about
"rhynchokinesis".
For those birdwatchers who have never heard of "rhynchokinesis" and/or have never seen it in action
check out this page of Trevor Ford's website:
http://www.sunbittern.com/gallery-rhynchokinesis.html
"Rhynchokinesis" is the ability of some birds to be able to flex their upper
mandible.
It is probably most often seen in godwits but I have observed it to some degree or other in several
species of shorebirds and have photographed evidence of it a number of times.
Keen bird-photographers (probably not photographers who simply take photos with birds in them)
should carefully examine all of their shorebird photos (in particular) for evidence of the act -
they might be surprised.
Bob Inglis
Sandstone Point
Qld
Australia
http://users.tpg.com.au/inglisrc/
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