"By spreading this membrane the flying squirrel may glide from tree to tree across distances of over a hundred meters, and have been known to record a glide ratio of 3.31, but is normally 1-1.5.[2]"
It would have been better if the postcards didn't have the basically identical, enlarged image of each matching stamp. Viva variety, you National Postal Administrations! :)
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Happy PFF (Postcard Friendship Friday)!
Please visit: http://thebestheartsarecrunchy.blogspot.com/ (wait until Beth posts the today's Linky tool for the meme, then make your entry, if you want to join).