I am looking for the title and words to a song witih the lyrics, Birds do it, Bees do it. Lets fall love. I think the song is entitled "Let's fall in Love" Thank you

I think your talking about "Lets Do It" by Cole Potter or Alanis Morissette.

More covers listed on this link:
http://en.wikipedia.org/wiki/Let's_Do_It_(Let's_Fall_In_Love)