Hostile: If "Yes" then the creature will attack on sight, if "No" then the creature is either neutral or friendly. Un-dead creatures are always hostile to living things.
Food Source: If "Yes" then the creature can be butchered into edible substance that your dwarves will feed on.
Size: The average size of the creature when an adult. This can be anywhere from 500 for a rabbit to 25,000,000 for a dragon. More or less equals the creature's weight in grams. These sizes do not correspond to the sizes which trigger pressure plates. Size is modified with height and broadness (i.e. incredible skinny and short is below the average weight, while a fat and tall one is above it).
Pet Value: This is the value the creature can be bought and sold for as a pet during trading.
Biome: Where the creature can be found.
Features: Any special features the creature possesses, these can include things such as causing a syndrome, breathing fire, or spinning webs.
Ethics: Morally speaking, dwarven ethics most closely resemble human and elven ethics, agree somewhat with kobold and animal-people ethics, and disagree strongly with goblin ethics. Unlike elves, dwarves find the devouring of dead enemies unthinkable, and will not butcher or consume intelligent beings (goblins see this as a personal matter). They are entirely opposed to torture of any sort for any reason, unlike elves, humans, kobolds and animal-people (who find certain forms of torture acceptable) and especially goblins, who find all torture acceptable. Dwarves tolerate animal trophies but shun those who keep trophies of sapient beings, and find those who keep trophies of other dwarves appalling. Dwarves find the killing of animals, enemies and plants completely acceptable, unlike elves, kobolds and animal-people. An exception to this is the killing of neutral beings, which is sanctioned as long as the killing had been officially ordered. A dwarf found to have participated in assault, theft, trespassing or vandalism will be seriously punished; some crimes such as killing other dwarves, breaking oaths, slavery and treason are punishable by death. On the other hand, lying is considered a personal matter.
Mythology: In real-life mythology, dwarves are much like humans, but generally prefer to live underground and/or in mountainous areas. In their fortresses they have accumulated treasures of gold, silver, and precious stones, and pass their time fabricating costly weapons and armor. They are famed miners and smiths, although, like humans, they can specialise in any number of trades. Generally shorter than humans, they are on average stockier and hairier, and usually sport full beards. Though slow runners and poor riders, dwarves are excellent warriors and defenders of their strongholds. Dwarves have the ability to forge magical items, which shows off their culture's and species natural craftsmanship. For instance, dwarven smiths created some of the greatest and most powerful items of mythology, which inspired the in-game strange moods and Legendary artifacts.