I don't know anyone who knows for sure, but they seem to be able to remember where there is a hole in a fence and where reliable food sources are, so I would have to say it's probably quite long.
1 second
the normal memory span for a person is about 30 years
A finch's memory span is within a couple of months.
The Muntjac deer or barking there has many subspecies. On average, the barking deer would have a life span of 20-30 years.
the life span is 5-20 years
Giraffes really have a very short Memory Span ..so short that it would be difficult to say.
It depends on the human's memory strength.
A mule deer's antlers can span up to 4 ft long.
not me. so far.
20 years
Not quite. They only have a memory span for three seconds. Then they forget everything all over. I am not an expert but I heard it on tv, you should google it.
They have an extremely long memory span. Donkeys can remember things for their entire lifetimes and often show this by behaving in specific ways.
A mouse deer's life span is up to 14 years.