Feeding stray cats.
I have own cat, but feeding him is a duty, and feeding a stray cats - a voluntary action with positive outcome for both sides: they are fed, and I have possibility to watch the different kinds of cats. Cat watching, as opposed to a popular bird watching?
When I visited another country with different laws about animal control, there was abandoned building with small park where the very large colony of stray cats lived. People came there regularly to feed them, some even give them a medical treatment. Not everyone has possibility to keep a cat.
I am currently collecting the little plastic tubes they make you blow into for random breath tests. I have about 20 so far. It is a hard one to collect as you can never tell when a booze bus is going to pop up, but eventually I'll have enough to build into small water fountain......oh that's my other hobby I make small table top water fountains........
collecting little plastic tubes: rare enough to say non-existant
tabletop fountains: pretty rare but we are definetly out here =)
I discovered last night that one of the suspects in the "Jack the Ripper" serial murders in late 19th century London collected WOMBS for a hobby - kept them in glass jars on his mantelpiece apparently. That's even weirder than bus number collecting.
I improvise on the piano instead of just reading sheets like every other piano player I know.
I collect fire alarm devices.
How many of you do? =D
Running a RPG is not uncommon at all. I also like piano improvising. Sheet music is for noobs.
My hobby is running the competition. (Another free host.) Running hosting is common. Running good hosting is a rarity.
My daughter does fencing--that's kind of unusual anyway. She has other more normal things she does: gymnastics, guitar. I personally like to paint and try different types of beer, and bake. And read. Normally type stuff.
My hobbies - Hot Rods custom cars and trucks. There is not one aspect of a car I am beyond working at. Sheet metal and frame work (yes I weld both MIG and TIG). Brakes, suspension, engine and all subsystems including AC (gotta have AC), electrical. Overhaul automatic transmissions as well as manual transmissions. Set up differentials and gearing. Even done upholstery a few times. I have actually restored one car, and custom built another where I did ever single bit of work on the vehicle all the way to a turn key finished car.
My next hobby, alternative power, and over unity power. Attempting to power my home with solar and wind, possibly even build a home built hydrogen fuel cell.
I also do all my own home repairs including electrical, heating an plumbing, but that's not really my hobby.
Once I met a guy who collect spoons. I thought kinda funny. He used to take spoons from famous hotels and add those to his collection. Also spoons used by celebs.
My Hobby: Have a Forum, Listen to music.
(I think that it's right)
I post on forums to get free webhosting in my free time.