From Muppet Wiki

Mama Bear is part of the bear family on Sesame Street originally known as the Three Bears, now the four bears. She is married to Papa Bear, and together they are the parents of Baby Bear and Curly Bear.

Mama Bear first appeared in Season 22.

Book appearances

• Abby Cadabby's Rhyme Time (2007)
• Good Night, Tucked in Tight (2007)
• Elmo's Christmas Countdown (2008)
• Let's Help the Earth (2008)
• Storybook ABCs (2008)

See also

• Mrs. Bear/Ma Bear (Fozzie's mother)