It takes a few days for the Kindle conversion to finalize, but it looks as though it's happened.
Threatened Species and Other Stories is now a Kindle book: here.
I love Untreed Reads pricing: $4.99!
What a great way to take a chance on a book that one might be on the fence about.
Of course, if you need the tactile feel of a traditional book, it remains available from Whistling Shade Press as well: here.
I've also checked with the police, and it turns out that owning both versions is perfectly legal.