Link to the song (singer: Ding Dang)
我是一只小小鸟-丁当 (歌词 by Albert99):
https://www.youtube.com/watch?v=3JGhBkvCQJM
Link to a website with embedded original video (singer: Ding Dang) - the video is not accesible in Germany, though:
http://top10pinyinlyrics.blogspot.de/2010/07/ding-dang-wo-shi-yi-zhi-xiao-xiao-niao.html
Link to a version by Richie Ren (...ooold...):
https://www.youtube.com/watch?v=AxqjtSbVUrs
有时后我觉得
yǒu shíhòu wǒ juéde
Sometimes I think
自己像一只小小鸟
zìjǐ xiàng yī zhī xiǎo xiǎo niǎo
I am like a little bird
想要飞
xiǎng yào fēi
I want to fly