We can't tell when an earthquake is about to strike, but some people believe other animals can. Most scientists say no, but a few aren't so sure. There have been hundreds of reports of cats, dogs, cockroaches, and rats becoming disoriented and disturbed prior to earthquakes.
In 1975, people reported in northeastern China mice and rabbits leaving their burrows and snakes coming out of hibernation in the middle of the winter before a huge earthquake occurred.
The night before the big 1906 earthquake, horses in San Francisco grew panicky.
Other signs from animals that an earthquake is coming includes birds flying in circles, dogs barking for hours and elephants starting to run.
The day before the 1964 Good Friday Earthquake, Alaska's Kodiak bears came out of hibernation weeks before schedule.