Big Bird's family.
Unseen
- Big Bird's father — mentioned in "Tall Enough"
- Cousin Monroe — mentioned in Episode 0320
- Big Bird's sister — mentioned and seen as an egg in Episode 0345; mentioned to have laid an egg in Episode 0581; given the name Esmerelda in Episode 1260
- Cousin Herman — mentioned in Episode 0745
- Aunt Katydid - mentioned in Episode 1077
- Auntie Maureen — mentioned in Episode 1576
- Cousin Floyd — mentioned in Episode 1576
- Uncle Ned — mentioned in Video Postcard from NYC
- Uncle Charlie — mentioned in Camping in Canada
- Uncle Hawkeye - mentioned in Episode 1077
- Cousin Bernie — mentioned in Big Bird in Japan
- Cousin Bergatroid- a hawk who Big Bird sees fly by in Episode 1090
- A Robin cousin — mentioned and seen in "Spring is Here", mentioned in Episode 1077
- A Roadrunner cousin — mentioned in Episode 3336
- An Emu Grandfather — mentioned in A Celebration of Me, Grover
- A Tinikling cousin — mentioned in Episode 3576
- A Turkey uncle — mentioned on Jimmy Kimmel Live