Debate between bird and fish Debate between bird and fish The Debate between bird and fish is a literature essay of the Sumerian language, on clay tablets from the mid to late 3rd millennium BC. Seven ""debate"" topics are known from the Sumerian literature, falling in the category of 'disputations'; some examples are: The Debate between Winter and Summer; Debate between sheep and grain; the Tree and the Reed; bird and fish; and "The Dispute between Silver and Mighty Copper", etc. These topics came some centuries after writing was established in Sumerian Mesopotamia. The debates are philosophical and address humanity's place in the world. Some
Common minke whale common minke whale was recognized as a separate species from the Antarctic minke whale based on mitochondrial DNA testing. This testing also confirmed that the Antarctic minke whale is the closest relative of the common minke whale, thus confirming the validity of the minke whale clade. Common and Antarctic minke whales diverged from each other in the Southern Hemisphere 4.7 million years ago, during a prolonged period of global warming in the early Pliocene which disrupted the Antarctic Circumpolar Current and created local pockets of upwelling, facilitating speciation by fragmenting populations. The radiation of common minke whales into the Northern