No idea what a "drop" bear is. Bears are fine. I'd be more concerned about the snakes in Australia. I won't be going to Australia cos of the snakes. I do like that there are no squirrels there though.
Is a koala bear? I went to Toronto zoo before I knew how disgusting zoo's are when I was 19ish. There was an Australian exhibit there. We saw a koala and learned how deadly they are. Guy I was dating at time called me his koala after that ... Was sweet ..then he tried to throw me off a 14 story balcony about 8 months later... NO CUTE! Hockey players and koala bears dont mix :/
Koalas are herbivores and totally harmless (and not bears). The drop bear is the koala's carnivorous relative - and has a nasty habit of dropping from the treetops and attacking tourists.
No idea. Koalas can scratch and they are WILD animals, so are best let alone. There are places where you can hold a tame one, but that's a dumb ass thing only tourists do - they're heavy and STINK of eucalyptus. Drop bears, hoop snakes, bunyips and yowies you have to look out for.