E: 30/04/2008 Win An Ambigram Mug

catz747

http://www.mensa.org.uk/cgi-bin/item.cgi?id=719&u=pg_dtl_art_news&m=pg_hdr_art

I am a musical signal.
Change one letter and I am a male animal.
Change another letter and I am an aquatic bird.
Change another letter and I am a deep bay.
Change one final letter and I am a sport.
What was I and what did I become?

Answer: I was BELL & I became GOLF Well Done Datrys & gakochan :T

Email: [EMAIL="puzzles@mensa.org.uk"]puzzles@mensa.org.uk[/EMAIL]
Subject: April 2008 Prize Puzzle

Datrys

I get:

BULL
GULL
GULF
GOLF

But I can't get the first one? Tone deaf so no musical tendencies!

gakochan

I started out out as BELL and became GOLF

bell -> bull -> gull -> gulf -> golf

Cheers
gakochan

hairystoo

Am I missing the point or does there seem to be a rather obvious design flaw with a mug that reads the same thing if you turn it upside down?
And I thought those people at mensa were supposed to be clever.