i'm sure it's been done in the past...

( mountainloz i want a bulldog/Shih Tzu cross breed, Fri 6 Jun 2003, 14:24, archived)

Heh,
I'd heard she's seen a Cockatoo.
( bovine www.richardtingley.co.uk, visit or I kill you, Fri 6 Jun 2003, 14:25, archived)

and is quite fond of
a swallow
( mountainloz i want a bulldog/Shih Tzu cross breed, Fri 6 Jun 2003, 14:26, archived)

Ba doom tish!
.
( A good man, and thorough, Fri 6 Jun 2003, 14:26, archived)

Ai
thannyew.
( bovine www.richardtingley.co.uk, visit or I kill you, Fri 6 Jun 2003, 14:27, archived)

arf
arf
( Pootle where's his tart on his sleve?, Fri 6 Jun 2003, 14:27, archived)

other comedy birds include
thrush
tits
boobies
and of course
cock(s)
( Zak McFlimby, Fri 6 Jun 2003, 14:28, archived)

You missed out
Shags

and of course

The Larger Purple Headed Veined Whanger
( bovine www.richardtingley.co.uk, visit or I kill you, Fri 6 Jun 2003, 14:29, archived)

and don't forget
the swallow :)
( mountainloz i want a bulldog/Shih Tzu cross breed, Fri 6 Jun 2003, 14:33, archived)

Boobies
that is all.
( Samsonite, Fri 6 Jun 2003, 14:35, archived)

and the lesser haired droggle licker

( thebear Wanna buy a dodgy watch guv?, Fri 6 Jun 2003, 14:34, archived)