Research is still being conducted. It is easier to name their categories.
There is the fae, like the fairies, nymphs, and elementals.
The dragons, like the fire, silver, and glasscraft.
The taurs, such as the centaur, minocentaur, and leotaur.
Flying beasts such as gryphons, pegasi, and dragons.
Monsters as the sphinx, chimera, and basilisk.
Water creatures like the merfolk, grindylow, and scylla.
Goblinoids such as the goblins and hobgoblins.
And other bipedals like the dwarf, giant, ogre, orc, and troll.
Some can talk, some cannot, but that doesn't lesson their ability to build or lay traps or possibly con you out of your lunch. Or turn you into lunch!
They roamed. They meet! They smoochy. They no like kissy. Say it icky!
Cubs killed. Killers killed. Killers' killers killed.
Then notice numbers low. Much loss. Much pain.
Plains make Man and Sylvan make truce.
Sylvan blame "wanderlust". Never leave forest.
Man blame "monsters". Never let Kurach close.
Shoulda ate bugs. More fun than war!