Sea Lion
California sea lion pups are typically born during the warm summer
months. Females give birth to a single pup following a 12- month
gestation period typically in June or July. Females give birth on land
as pups do not know how to swim at birth. Gestation includes a period
of delayed implantation, when the fertilized egg stops growing and
remains dormant for a period of 2 1/2 - 3 months. Delayed implantation
allows pups to be born when environmental conditions are optimal for
their survival. Pups typically weigh about 15 pounds at birth and nurse
for 6-9 months.
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