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    Birds such as the Egyptian Plover is involved in collaboration with animals of many kinds. The Mediterranean Sea, for example, several types of gulls get help with the housecleaning chores from the common wall lizard. The birds build their inhabitants in the rocky crevices along the shores of the island. Pest insects soon move on, birds troubling parents and children alike. But all lizards clamber among the nest, eating the insects.

    The lizard is just the right size to make a meal for the gulls, but the birds ignore them as they go about their work. Other birds to work in partnership with grazing animals. One of the most familiar of these is the animal species of birds. In Africa, this elegant white birds were seen hopping around the feet of antelope, zebras, elephants and other animals. But it has expanded its Ranger American, where it is often seen in the middle of the colony.

    Today, forests cover nearly 30 percent of the land surface of Earth’s and growing on every continent except Antarctica. However, the total forestland in the world is slowly diminishing due to the conversion of forests to agricultural fields and housing. About one-third of the world’s coniferous forests and nearly half the total it was in the former Soviet Union.

    Large coniferous boreal forest temperate forests are located in Canada and Russia, while the large temperate forests ciniferous be in southern United States, Southeast Asia and New Zealand. Deciduous forests grow in the world but concentrated mostly in temperate regions of North America, Europe and Asia. Large tropical forests are located near the equator in South America, Africa and Southeast Asia. The United States underwent a period of expansion and development 1860-1910. During this difficult battle skills million acres of forestland removed and efforts were made to replant or regenerate the forest.