I agree, sounds like a newt or salamander.
I know there is an endangered species or
two of these fellows in the UK so looks like
you are doing your good deed for the year!

kathy :-)
www.blogfromthebog.com
this week ~ Mosquitoes!
Run For Your Life!

Pond 101 page for new pond keepers ~
http://hometown.aol.com/ka30p/myhomepage/garden.html