Six Situations Where Tripods are Essential for Landscape Photographers

Digital Photography School.com have a helpful article on using tripods for nature photography

Six Situations Where Tripods are Essential for Landscape Photographers is well worth reading if you are thinking of buying a tripod. Even if you already own a tripod it is well worth a read to remind you when you should think about bringing it along.

I always throw mine in the car, and try to take it wherever I go (if I can) just in case I decide I might want to take a photo that might need it.