Within mammals, birds, insects and other classes of animals, there are species in which, in their sexual rituals, the males fight hand to hand to show which of them is stronger.

The Natural History Museum identified 351 new species of animals and plants. In the list, led by invertebrate animals, there are 85 species of wasps, 84 beetles, 34 moths and seven individual frogs due to their size.

The Red List of threatened species of the International Union for Conservation of Nature (IUCN) presented an update about threatened species, according to the category in which they are defined

The Intergovernmental Science-Policy Platform on Biological Diversity and Ecosystem Services (IPBES), the IPCC for biodiversity, has published a new report that concludes that 50,000 wild species