It may be possible to increase melatonin levels by adding certain foods to the diet that contain this hormone. One study explains that all plant foods include Melatonin at differing levels. Some plant foods that include more Melatonin than others are rice, tomatoes, walnuts, barley and olives.
The Maryland Zoo in Baltimore houses African elephants (Loxodonta africana) who are very different from their Asian elephant (Elephas maximus) cousins. The African elephant (Loxodonta africana) is the largest land animal in the world.he forest elephant is generally smaller, with rounder ears, and tusks that grow downward. Normally, forest elephants inhabit the rain forests of central and western Africa and do not overlap the territories of the savannah elephant.
Desert elephants are not a distinct species of elephant but are African bush elephants (Loxodonta africana) that have made their homes in the Namib and Sahara deserts.hese elephants have developed certain adaptations for desert life and tend to have relatively broader feet, longer legs and smaller bodies than other African bush elephants. They are herbivorous and their diet varies with the time of year.