Other species have a short migration. identify butterflies, which are most numerous and visible on sunny afternoons. Other species will simply migrate to a different altitude – in the winter they leave their mountaintop territories to live in valleys that offer better shelter from the winter cold and access to more food. var sliderList = $('.brand-slider:not(".ignore")'); My husband has been watching shore bird reports daily since July via Ebird and local Facebook Groups who report on bird sightings in our area. }; }; //