What are these white mushrooms

Hello, over the last 2 weeks these mushrooms have popped up in my garden under close to a rose tree.
can anyone help as to why these have started growing ?
Could it be for the weaher ? but i dont have any in my back garden only at the front of the house.

Up until recently I used to get squirrels hiding peanuts , and foxes hiding there food there too. but that has stopped as i scared them away too many times

Can any one help ?

Updated Pictures :

http://picturepush.com/public/5932825

http://picturepush.com/public/5932828

http://picturepush.com/public/5932834

 

I accidently deleted my thread.

Over the last 2 weeks I have noticed these mushrooms growing in my garden under a rose tree, I used to get alot of squirrels hiding peanuts and foxes digging up my garden. but that has all stopped now. I have other vegetable plants close to these mushrooms (2 feet away) will these mushrooms be harmful for them ?.

Can anyone help with what these mushrooms are ?
Why are these growing in my garden ?


IMAG0066.jpg Picture

IMAG0070.jpg Picture

IMAG0068.jpg Picture