It depends on the human's memory strength.
A finch's memory span is within a couple of months.
They have an extremely long memory span. Donkeys can remember things for their entire lifetimes and often show this by behaving in specific ways.
250.
456 years for most sharks
456 years
the normal memory span for a person is about 30 years
Elephants are like humans. They have a long life expectancy like humans. Elephants in the wild are known to live an average of 50 to 70 years. Some domesticated elephants have known to live upto the age of 80 years too. They probably live the longest among all mammals (excluding humans).
It actually has a memory span of a month. I read this in a book. Don't blame me if it is wrong. This is because a goldfish always recognizes it's owner, knows when it should be fed. It only has the attention span of 3 seconds.
Giraffes really have a very short Memory Span ..so short that it would be difficult to say.
A monkey's memory span varies between the different types of monkeys, so there is no single answer to this question. In general, a monkey's memory span is comparable to that of a child of about 7 or 8 years old. It can remember things for months, even years, and a monkey's short-term memory is usually very good.
not me. so far.
20 years