Employ visual aids, books, handouts or information sheets. The provision of binoculars or telescopes can be advantageous, although not always essential, and can sometimes even detract from the magic of that once in a lifetime experience, especially if clients are not used to handling the equipment. Naturally wild environments should not contain plastic, metal, paper or other rubbish. Take it home and dispose of it properly. If you can, leave the environment in a better conditon than you found it.
Litter can be fatal to wildlife.
Names and addresses could also be beneficial. Encountering wildlife that may appear unwell does not always mean it needs help. Well, it is very very simple. We, as operators, rely on a top quality environment with all its ecohabitees. That is why we choose to live and work in Scotland and protect its natural heritage.