Insects.
Actually. microorganisms are the most common and most abundant species. Three pounds of your body weight is due microbes in you and on your skin.
The most species are probably in the ocean.
The most common species of cactus found in Arizona is the saguaro cactus.
The most common species of duck found in North America is the Mallard.
Most species of parrot are found in Australia and the islands of the South Pacific. Others are found in the Amazon Rain Forest (South America) and Africa.
The most common moth species found in North America is the cabbage looper moth.
lynxes, moose, and pine trees
Species varying worldwide means species are different in different parts of the world. For example, a polar bear would not be found in the tropics, and kangaroos would not be found in the Americas.
The most common species of wolf spiders found in Australia are the Hogna lenta, Lycosa godeffroyi, and Venatrix furcillata.
Contact the authorities. It would depend on the species
Most likely the Hare/Jackrabbit.
The most common Arizona wasp species found in residential areas are paper wasps, mud daubers, and yellow jackets.
The most common species of spiders found in Kansas is the common house spider, also known as the American house spider (Parasteatoda tepidariorum).