The Overworld

This is the world you have known all your life -- the lush land where the sun rules by day and the moon governs the night. The glittering oceans encompass the landscape you call your home. The forest glades offer you their bounty, the plains give you miles of fair land to build your cities, the deserts challenge you to withstand their heat and gritty sand, the mountains reach up to heights you didn't think were possible, and the caves deep below promise their treasures. You know, however, that the bounty of this world is not all yours for the taking. You must learn to share it with the Other People and creatures who also inhabit it. In the past, some have had difficulty with it. They suffered greatly for greed. Do not make their mistake. You cannot tame all of the wilderness.

Geography

The Overworld consists of many ecosystems and climate regions, called biomes. There are dozens of biome types, such as snowy areas, plains, forests, mountains, deserts, badlands, oceans, wetlands, rivers, rainforests, and beaches.

Fauna & Flora

The flora and fauna of the Overworld vary based on climatic conditions and biomes. They inhabit their respective regions according to their needs and preferences. This list is nowhere near comprehensive.

Flora

Flowers: dandelions (Taraxacum officinale), roses (Rosa × damascena, Rosa deuro), poppies (Papaver rhoeas), tulips (Tulipa gesneriana), alliums (Allium giganteum), lilac (Syringa vulgaris), sunflowers (Helianthus annuus), daisies (Leucanthemum vulgare), cornflowers (Centaurea cyanus), azure bluets (Houstonia caerulea), lilies (Convallaria majalis, etc), orchids (Thelymitra cyanea)
Trees: oak (Quercus bicolor), blue spruce (Picea pungens), paper birch (Betula papyrifera), acacia (Acacia koa), dark oak (Quercus tenebrosus), jungle (Theobroma cacao)
Fungi: red mushrooms (Amanita muscaria), brown mushrooms (Lentinula edodes)
Other plants: tall grasses (various species), wheat (Triticum aestivum), russet potatoes (Solanum tuberosum), seagrass (Thalassia testudinum), sweet berries (Vaccinium melliculus), pumpkins (Cucurbita pepo), ferns (various species), carrots (Daucus carota sativus), vines (various species), melon (Citrullus lanatus), bamboo (Phyllostachys nigra), sugar cane (Saccharum sinense), dry bushes (various species), cacao (from Theobroma cacao), beet root (Beta vulgaris)

Fauna

Sapient: humans (Homo sapiens), testificates (Homo pertinax), enders (Homo draconis)
Bovine: cows (Bos taurus), ravagers (Syncerus depraedorae)
Canine: wolves (Canis lupus), dogs (Canis familiaris), creepers (Canis correpo)
Feline: cats (Felis catus), ocelots (Leopardus pardalis)
Equine: horses (Equus ferus caballus), donkeys (Equus africanus asinus), mules, undead horses
Aquatic: cod (Gadus morhua), salmon, pufferfish (Carinotetraodon travancoricus), tropical fish (many species), dolphins (Tursiops aduncus), turtles (Chelonia mydas), squid, guardians (Latimeria defensor)
Avian: chickens, parrots (Ara ararauna, Anodorhynchus hyacinthinus, Ara macao, Ara viridi, Nymphicus hollandicus)
Undead: zombies, skeletons, wither skeletons, husks, strays, drowned, phantoms
Arthropod: bees (Apis mellifera), spiders (Pugnator vulgaris), cave spiders (Pugnator abcaverna) silverfish (Lepisma magnus)
Construct: snow golems, iron golems
Other: foxes (Vulpes vulpes, Vulpes lagopus), slimes, rabbits (Sylvilagus floridanus), pandas (Ailuropoda melanoleuca), llamas (Lama glama), polar bears (Ursus maritimus), pigs (Sus domesticus), sheep (Ovis aries), bats (Eptesicus fuscus)