Around 11:40 pm Sat. night 11/17, I saw a somewhat shaggy black and white dog on 95th St. between Evanston and Fremont...it ended up heading north on the alley between Evanston and Fremont and then turning left (west) into the back yard of the first residence that didn't have a fence. I didn't get a good look at it, but looked to be about 50/50 black and white and possibly part Aussie shepherd. Dog couldn't have weighed more than 40 lbs.
Not 10 seconds after that, I saw another dog on 95th that also went north up the alley and also turned into the same back yard. I didn't think the dogs were traveling together, but who knows, maybe they were. This dog was a little more "muttey" looking...mostly black with a small amount of white, and also a little shaggy looking, probably 35 lbs or so.
Both dogs were skittish and moved away from me when I tried to attract their attention.
For more info, contact me at fredgmeyer AT hot mail.