Re: Troodon again

[Ronald Orenstein <ornstn@inforamp.net>]

>       A species of black cockatoo will also break off a piece
>of branch and beat it against the trunk of a tree to attract a
>mate. There is a snail eating species (I can't remember where or
>what its name is) that uses a regular anvil stone to crack open
>a certain species of snail. 
>       Dann Pigdon

Anvil stones are used by a number of snail-eating birds; thrushes and
pittas in particular, though there may be others.
--
Ronald I. Orenstein                           Phone: (905) 820-7886
International Wildlife Coalition              Fax/Modem: (905) 569-0116
1825 Shady Creek Court                 
Mississauga, Ontario, Canada L5L 3W2          mailto:ornstn@inforamp.net