The fearsome Drop Bear is detailed in this forwarded snippet from the forteana list.:
Drop bears are often mistaken for koalas, and to all but a trained naturalist, the differences are minor. They have even been reported to imitate the sleepy demeanor of their genetic cousins, probably as a sort of behavioural camouflage, and roughly one third of all drop bear related fatalities occur when a well-meaning tourist tries to pose with one for a souvenir photograph.
More here. Thankfully I managed to avoid these creatures while camping through Victoria last year — only just about though.
In other news: a great SFWeekly feature on Hal Robins, aka. Dr. Howland Owll of the CotSG.