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They do that because it is a natural instinct. Almost all birds at one time in their life they hit their beak on something.
Because of the nature of a parrot's diet (seeds, fruits and nectar from blossoms), seeds and sticky substances will adhere to the beak. Banging the beak is sometimes the only way these foreign materials can be dislodged.
What else can I help you with?
Who is supporting professor green in his 2012 tour?
chiddy bang
Indie song that goes 'shake it to manila' or something that sounds like that. its a girl singing. it sounds like manila but could be marila or something?
Mark Ronson & The Business Intl - Bang Bang Bang
Where did the star that caused the big bang come from?
something that caused the big bang is scientifically unknown
What will a astroid do?
It will go 'bang' when it hits something.
What are the release dates for Bang for Your Buck - 2009 Austin Green Kitchens 6-1?
Bang for Your Buck - 2009 Austin Green Kitchens 6-1 was released on: USA: June 2011
How old is Norman Green in Nanny McPhee and the big bang?
12
What is a bang bang army?
There is no commonly recognized term "bang bang army." It may refer to something specific within a local context or a colloquial term unrelated to any established concept.
Who plays Megsie in Nanny McPhee and the Big Bang?
Lillian 'Lil' woods plays Megsie Green in Nanny Mcphee: The Big Bang
When did the Big Bang Begin?
actually the big bang is something I don't believe in I believe the universe was created by God
What's the meaning for bang for the buck?
A bang for your buck means that you got something great and didn't have to pay very much.
Was the big bang a cause or a consequence?
The Big Bang is the cause of everything we know - the Universe around us. If the Big Bang itself was caused by something else, we don't know about it.
Why does earth need a moon?
it needs something to bang once and a while
