Getting ready!

Tomorrow we go to the Falconry to shoot the birds with cameras!!  Last year I was found wanting. 
 
Green fleece
Camera
Flash cards 16/8 GB
Lens hood to keep the water out - it may well rain!
300 mm lens with stabiliser
Lensbaby fisheye
spare batteries and batteries are charging
My bag
Money - you never know!

Do I need a 50mm lens?
Do I need a 24 - 85mm lens?

What have I forgotten?  HELP!!!!

Oh and the beds are made for my daughter and granddaughter who are coming too!!