It's always good practice to inform refuge personnel of your intentions. This should be your number one priority upon arriving at the refuge. However, don't drive-up and expect refuge personnel to direct you to the closest nesting endangered specie. Call ahead, and advise them of what you would like to do. Besides, certain areas of the refuge may be closed.
Most refuges allow individuals to erect a temporary blind.
Refuge personnel will generally share information that can greatly assist you in your endeavors. Don't hesitate to ask questions. With more than 450 refuges nation wide, there's almost sure to be a refuge near you. How Know-how ranges from knowing which equipment to purchase and how to use it, to applying different techniques for different subjects. Bird photography dictates the use of a telephoto lens.