When you see a leopard in the wild for the first time, or you see an elephant up close in a national park, you might think that the memory will stay with you forever. Whilst it might feel this way at the time, this actually isn’t the case in all likelihood, and your memory will inevitably fade over time. So it’s a good idea to record your sightings to preserve the memory.
If you book onto a reputable safari tour with a good quality company, they will be able to help you record your sightings effectively. They will be able to help you with animal identification in the first place as well, so you know you have accurate information about the wildlife you have seen. They ca give you log books, or you can choose to record the information in any way that is helpful for you, digitally if you prefer.