Because
he's a long necked African mammal that eats the tasty shoots and leaves only found in the highest trees.
(
Nimble Colin camera-wrangling, globe-trotting whisky enthusiast,
Tue 20 Apr 2004, 22:28,
archived)
Oh, I thought he was a twat
Shows how wrong you can be
(
Dixipoos Bye Bye Blackbird,
Tue 20 Apr 2004, 22:33,
archived)