https://johncons-blogg.net/2010/07/jeg-har-lastet-opp-bildene-fra-london/
PS.
Her er mer om dette:
https://www.reddit.com/r/MapPorn/comments/1s4knzo/distribution_of_grey_and_red_squirrels_in_the_uk/#lightbox
PS 2.
Enda mer om dette:
https://squirrelaccord.uk/ecology/
