Bird migration ... What types, why and where do they migrate?

<p style=";text-align:left;direction:ltr"> <strong>Arabia&#39;s weather</strong> - the migration of birds is characterized by being regular and seasonal, and it is a way to escape from the change and the lack of resources or the lack of food associated with the harsh climate that is not conducive to the continuation of life </p><p style=";text-align:left;direction:ltr"></p><h2 style=";text-align:left;direction:ltr"> <strong>Why do birds migrate?</strong> </h2><p style=";text-align:left;direction:ltr"> Birds migrate from an area, when the nutrients and resources needed for nesting are low, as birds tend to migrate north in the spring to take advantage of the availability of insects, which are their main food and plants for nesting. With winter approaching and insects and other food shortages, the birds are moving south again. </p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> Running away from the cold is a catalyst for migration, but many species, including hummingbirds, can tolerate freezing temperatures as long as there is enough food available <span>.</span> </p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> <a href="https://www.arabiaweather.com/content/%D8%A8%D8%A7%D9%84%D8%B5%D9%88%D8%... migration ... one of the most beautiful natural paintings ever</a> </p><p style=";text-align:left;direction:ltr"></p><h2 style=";text-align:left;direction:ltr"> <strong>Types of migration</strong> </h2><p style=";text-align:left;direction:ltr"> The term migratory describes the periodic, large-scale movements of animals and birds. There is one way to differentiate between types of migration, which depends on the distance: </p><p style=";text-align:left;direction:ltr"></p><ul style=";text-align:left;direction:ltr"><li style=";text-align:left;direction:ltr"> Birds that do not migrate, which remain in their place; For their ability to find an adequate supply of food throughout the year <span>.</span> </li><li style=";text-align:left;direction:ltr"> Migration for short distances, as birds move only a short distance, in high and high altitude areas they move from the top of the altitude to the lower areas. </li><li style=";text-align:left;direction:ltr"> Migration for medium distances, and birds with this variety of migrations travel distances that extend from one state or state to another </li><li style=";text-align:left;direction:ltr"> Long-distance migration: migratory birds usually move in such a type of migrations long distances, such as: migration from the United States and Canada to Central and South America. Despite the arduous journeys these birds make, long-distance migration is made by about 350 species of North American birds. </li></ul><p style=";text-align:left;direction:ltr"> <strong>Source: allaboutbirds.org</strong> </p>