Dowitcher displays Rhynchokinesis

Post on May 4, 2014 BirdsShorebird


On an occasion shooting a flock of four long-billed dowitchers at Village Creek, i noticed one of the bird bent the bill in an odd way, the tip of the upper mandible flexed upwards in a flash then back to normal.

Did that just happen?

It did and I actually captured shorebird’s unique feeding mechanism calls Rhynchokinesis – the ability of some shorebirds flexing upper mandible upwards or downwards, functions like forcep to grasp worms buried deep in the mudflat.

  • Canon, EOS 1D Mark IV
  • EF 500mm F4L IS USM
  • ISO 500, 1/400, F5.6 ,500mm
  • Village Creek. Arlington, TX
  • May 08, 2013
long billed dowitcher Rhynchokinesis

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