Debate between bird and fish of the debates may be from 2100 BC. The bird and fish debate is a 190-line text of cuneiform script. It begins with a discussion of the gods having given Mesopotamia and dwelling places for humans; for water for the fields, the Tigris and Euphrates Rivers, and the marshes, marshland, grazing lands for humans, and the birds of the marshes, and fish are all given. The debate then begins starting with Fish addressing Bird. The initial speech of Fish: The 2nd and 3rd paragraphs continue: Bird replies: Bird continues: After the initial speech and retort, Fish attacks Bird's nest. Battle
Common species Common species Common species and uncommon species are designations used in ecology to describe the population status of a species. Commonness is closely related to abundance. Abundance refers to the frequency with which a species is found in controlled samples; in contrast, species are defined as common or uncommon based on their overall presence in the environment. A species may be locally abundant without being common. However, "common" and "uncommon" are also sometimes used to describe levels of abundance, with a common species being less abundant than an abundant species, while an uncommon species is more abundant than a rare