maybe for better jobs, some people because of wars, there is many answers
Religious people would migrate if they were persecuted or unable to observe their religion.
So that they would have something to eat. If animals migrate, the people who hunt them must migrate as well.
the fleas would jump from people to people spreading the infection.
They drive on highways and interstates just like they would migrate across any state in the US.
Because they would like a change.
The same reason people would migrate from Europe to the Americas (separated by not hundreds but thousands of miles) in the 16th century: a better life.
To many people the grass is always greener 'over the next hill'
how does a whale migrate??????????? In other words it swims!!! How else would it migrate?
One is in Florida, in Tampa. There is another one in Virginia that would be in the Mid-Atlantic region.
they migrate because if they hibernate they would sleep in for the winter
if they migrate they would have to swim in water
i would expect people to do a lot of farming