Big Garden Birdwatch set to provide 'really valuable' data to ornithologists

The video discusses the significance of the RSPB and its citizen science project, the Big Garden Birdwatch. It highlights the changes in bird populations, such as the increase in goldfinches and the decline in house sparrows. The video provides tips for birdwatching and emphasizes the importance of data collection for understanding bird trends. Personal experiences in birdwatching are shared, encouraging a lifelong interest in birds and nature, especially during lockdowns.

Why is it important for participants to submit their observations, even if they see very few birds?

How did the lockdown affect people's perception of nature according to the text?