51�Թ�

This included data from citizen science programmes like the North American Butterfly Association's Fourth of July counts.

Data given to BBC Weather by Nature's Calendar, external - a citizen science project by the Woodland Trust - demonstrates how climate change is triggering natural events.

On that note, I invite you to take a brief survey in the spirit of citizen science.

However, one scientist was so astounded to see pictures on social media of gulls eating "weird and wonderful things" that she launched a citizen science project to study their shifting diets.

“When people write about citizen science or DIY bio, it's often an enthusiast about it who says, ‘Look at all the amazing things we'll be able to do!’