The phrase "observation of nature" refers to the act of observing and studying natural phenomena in their usual settings. This can involve making careful observations, taking notes or recordings, and documenting what is seen or heard. The goal of observation of nature is often to gain a better understanding of how ecosystems function, how different species interact with each other and their environment, and to identify patterns and trends over time. It may also involve making predictions based on observed data, and conducting experiments to test hypotheses about natural processes. Overall, the observation of nature is an important tool for scientists, researchers, and anyone interested in learning more about the world around us.