Hawk Moth, settled down on a branch, and very difficult to detect as
long as it remains stationary. Note its remarkable sucking tongue, which
is about twice the length of its body. The tongue can be quickly coiled
up and put safely away beneath the lower part of the head.]
[Illustration: WHEN ONLY A FEW DAYS OLD, YOUNG BITTERN BEGIN TO STRIKE
THE SAME ATTITUDE AS THEIR PARENTS THRUSTING THEIR BILLS UPWARDS AND
DRAWING THEIR BODIES UP SO THAT THEY RESEMBLE A BUNCH OF REEDS
The soft browns and blue-greens harmonise with the dull sheaths of the
young reeds; the nestling bittern is thus completely camouflaged.]