Unbelievable Mystery Of Blackburn Cemetery

This was shot near the grave of an old British Muslim womanShe died at the age of 94 ...

She used to feed and take care of the birds in(Blackburn Cemetery) in Britain where she was buried later ..

After a period of time following her death , whenever her son goes to visit his 's grave, a bird receives him at the entrance of the cemetery,walks before him like a guide until they reach to the grave of his , then keeps moving around the grave during the prayers of her son ..

What is the explanation of that incredibly strange and amazing behavior of that bird ?!