Here are some links to website with useful information about David Attenborough. You may also conduct your own research but be careful about the websites you visit - not everything on the internet is true!
https://www.bbc.co.uk/teach/nine-astonishing-ways-david-attenborough-shaped-your-world/z4k2kmn
https://www.natgeokids.com/uk/discover/science/nature/david-attenborough-facts/