Mirabelle the Flamingo is one of Isabel's friends. She is a magenta flamingo with lavender wings.
She looks like Annabelle, as she is coloured magenta. However, she has lavender wings.
She went over a major redesign in the Adobe Flash version. She is coloured white pink and her wing is white pink also.
She is seen alongside Annabelle and Isabel. However, she can be curious, mean, or sometimes helpful.
- The Story of Isabel the Flamingo (first appearance)
- The Story of Seamus the Stork (one rarely heard line only)
- The Story of Herbert's Peaceful Day (one rarely heard line only)
- The Story of the Flamingo Festival
- The Story of Ronald and His Boulders (no lines)
- The Story of the Savannah Craze
- She and Annabelle are redesigned with pink color in the Adobe Flash revival.
- Prior to Adobe Flash, she and Annabelle are one of the few animals to have a major redesign.
- She is based on a lesser flamingo, just like Annabelle.
- In the close captioning errors for Sprout, her name is misspelled as "Maribelle".