7 diseases that are Spread By Animal Parasites
Some diseases are caused by worms that live in the host as parasites. Some of these diseases are discussed here.
Tag Archives | parasites
Where do birds build their nests and why ?
In general, fertilized eggs have to be kept in nests where proper care can be taken. The nesting period and the type of nests vary according to the type of species. Nests are built in places, which are inaccessible and are concealed from view.