User blog comment:Redvsbluefan100/Not enough habitats!?.../@comment-3091405-20101207041521/@comment-98.238.76.0-20111028180857

I am new at this game which I absolutely LOVE. I cannot seem to work with the habitats. I just have 4, and when I earn a new one and "place" it out my mailbox it disappears. What am I doing wrong???