A Russian zoologist found that stray Muscovite dogs had adjusted to post-Soviet urban life by commuting from the suburbs on trains. The dogs, who prefer the front- and rearmost cars, have also learned to obey traffic lights in spite of their color blindness.

A Russian zoologist found that stray Muscovite dogs had adjusted to post-Soviet urban life by commuting from the suburbs on trains. The dogs, who prefer the front- and rearmost cars and occasionally miss their stops when they fall asleep, have also learned to obey traffic lights in spite of their color blindness.