It depends on the human's memory strength.
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 finch's memory span can vary but generally lasts a few months. They have been known to remember specific locations and food sources for an extended period.
Elephants have large brains which increases their memory capacity. An elephant's memory can last for a pretty long time. Some even say an elephant never forgets.(10 years)
456 years
no
the normal memory span for a person is about 30 years
it is called a herd of Elephants
There memory
no
60 years
70 years