Misc: What does the average human grow 7.5 metres of in a lifetime?

Questions

The world's fastest swimming bird, at over 35kph (21mph)?

The world's fastest running bird, at over 72kph (44mph)?

Name the world's largest butterfly, with a wingspan of 280mm (11in)?

Name the world's largest moth, with a wingspan of 300mm (11.8in)?

The Top 10, Creepy Crawlies, Creatures having 8 or more legs?