An animal that tweets is called a Bird. There are several types of birds. Pigeon,Canary,Sorrow ect..
Most birds make twittering sounds.
'tweets' in french is 'gazouillement'.
You will receive tweets on your homepage from everyone you follow. Unfollow them to not receive their tweets. To stop people seeing your tweets (except from those you approve) you can protect your tweets from the settings menu.
Indigenous Tweets was created in 2011.
It will tell you underneath the retweet.
All tweets can delete. You only have the ability to delete your own tweets.
If you protect your updates, the people who follow you CAN see your tweets, but ONLY the people who follow you.
Breaking Tweets was created in 2009-01.
If your account is protected then your tweets can't be retweeted.
You can't actually include pictures in your tweets. However, you can use TwitPic to upload your pictures which then tweets the link on your Twitter.
If you go onto your profile, under your name on the left hand side there is a tweets counter. You can click this and this shows the tweets
If you follow Justin Bieber, his tweets will appear in your feed automatically when he posts them. If you want to only see his tweets, you can create a list where he is the only person you add to the list. This will create a timeline of only his tweets.