Female sea otters usually give birth to a single pup about once a year at any time, though there are peaks of birth in May-June in the Aleutian Islands and in January-March in California.
Sea otters can reproduce year round, though there are peaks of birth in May to June in the Aleutian Islands and in January to March in California.
Females usually give birth about once a year, though many females experience longer breeding intervals, giving birth every 2 years. A single pup is born weighing 1.4 to 2.3 kilograms.
• Image | ©️ Andrew Reding, 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)