👉 "Avifauna" is a term used in zoology to refer to any animal that is not considered an extant species. This includes both living and extinct animals, as well as extinct species of plants, fungi, and other organisms. In zoological literature, "avifauna" refers to the collection and study of avifauna, which includes all forms of wildlife, including birds, mammals, reptiles, insects, and small animals that are not considered extant or extinct in their
