Top Ten Animals in Space

I can hardly type this without thinking of the Muppets’ ‘Pigs in Space’. Whilst writing about space debris recently, and preparing to do a talk on the subject of stuff that we’ve put into space, I got to once again thinking about those frogs that NASA put into space in 1970 (for which this very blog is named). How many other animals have been put into space and why? Looking into the subject,