Although twins occur in 2% of sea otters births, only one pup can be raised successfully.
Twins occur in 2% of sea otter births, but only one pup can be raised successfully.
If a pup does not survive, the mother may experience postpartum estrus.
• Image | ©️ Tony’s Takes, Some Rights Reserved(CC BY-NC-ND 2.0)
• Sources | (Allegra & Gunderson 2012; Estes, 1980; McShane, Estes, Riedman, & Staedler, 1995; Nowak, 1999; Riedman, Estes, Staedler, Giles, & Carlson, 1994)