Other contributors have said "Gestational Period of a squirrell?" is the same question as "How long is the gestation period for a horse?" If you believe that these are not asking the same thing and should be answered differently, click here
On average, a horse is pregnant or gestating for approximately 11 months. However, some mares may routinely have gestations as short as 10.5 months or as long as 12 months.
Note: There are comments associated with this question. See the
discussion page
to add to the conversation.
.
The average is from 340 to 342 days, but there can be a month or more variation. The mare actually has the ability of postponing the birth if she is not comfortable with her surroundings.