WHY DO MIGRATING BIRDS BOTHER TO FLY BACK NORTH?
The primary reason that our feathered friends migrate South in the Fall, or North in the Spring, does not solely lie in the cold of winter, as most are well-equipped to survive in extreme temperatures, but instead lies with the upcoming shortage of food. Mother Nature endowed birds with an internal clock that warns them to get out-of-town, or to face possible starvation. Because birds can to detect seasonal changes, they take note when the days become shorter, and fly South in search of alternate food sources, only to return home again in the Spring when there is an abundance of tasty insects, or small, scurrying rodents. An additional trigger for birds to migrate is the need to breed to repopulate their species. Often, they return in the spring to procreate in the exact nesting spot they vacated in the fall. Birds certainly do qualify as creatures of habit! The streamlined, aerodynamic birds go to great lengths to make their migratory trips, sometimes flying as far as to other contine
