PROTECTIVE RESEMBLANCE 142
Photo: J. J. Ward, F.E.S.
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 143
PROTECTIVE COLORATION OR CAMOUFLAGING, GIVING ANIMALS A
GARMENT OF INVISIBILITY (_Coloured Illustration_) 144
ANOTHER EXAMPLE OF PROTECTIVE COLORATION (_Coloured
Illustration_) 144