Migration of Birds Author:Frederick C. Lincoln When the birds leave us in the fall, the question naturally comes to mind: Where do they go? This and other questions on the migratory habits of most species of Northern Hemisphere birds puzzle all who are interested in them. Lack of information on the subject may mean the loss of an important resource by unconsciously letting it sip from us,... more » as ignorance might be responsible for inadequate legal protection for such species as might urgently need it. More general knowledge on the subject will aid in the perpetuation of the various migrants, the seasonal habitats of some of which are in grave danger from man's utilization of the marsh, water and other areas that were formerly homes for birds.« less