Also, bulging eyes can signal a thyroid disorder known as Graves' disease. Eye allergies related to conditions such as hay fever also can produce swollen eyes. Other types of allergies, such as reactions to certain foods or chemicals, can cause swollen eyelids.
Want to know more about one of your close relatives? Read our gorilla facts for kids to learn about these fearsome, but peaceful, animals. This article is part of our African Animals series. Gorilla Facts: Introduction. Gorillas are the worldâs largest primates. They are members of the Hominidae family. This family is also known as the âGreat Apeâ family, and also includes three other types of primate: orangutans, chimpanzees, and humans. There are two species of gorilla: the Eastern Gorilla, and the Western Gorilla.
Gorillas live in family groups of usually 5 to 10, but sometimes two to more than 50, led by a dominant male who holds his position for years. Females become sexually mature around seven or eight years old but donât begin to breed until a couple of years later. Males mature at an even greater age.