Here is some information about dragons.
Gold dragons are the largest of all dragons ranging 38-42 feet long and are the only fertile female dragons. They only Impress to heterosexual females and they fly in the lowests wings, their riders' using specialized flamethrowers.
Bronze dragons come in behind golds, ranging 35-38 feet in length. Bronze dragons are the kings of the Weyr. They Impress to heterosexual men and are almost always the ones who catch the queens in Flights.
Brown dragons are the next to largest males, coming in at 30-35 feet. They usually mate with greens, but occasionaly can mate with queens if they are on the larger side. Browns Impress heterosexual or bisexual men.
Blue dragons are the smallest of the male dragons at 25-30 feet. Blue dragons are very agile and have more stamina then green dragons. Blue dragonriders are often Weyrlingmasters. Blue dragons can Impress unto heterosexual, bisexual, or homosexual men. Though it is rare, blues can Impress bisexual or homosexual women with masculine tendancies.
Green dragons are the smallest of all the dragons, measuring 20-25 feet. They are by far the most numerous of all the dragons and make up about half of the dragon population. Because they are so small, they are extremely agile but they lack stamina. Greens Impress homosexual or bisexual men or heterosexual women.
Dragons mature between 1 1/2 to 2 turns of age. This being said, a weyrling is promoted to full rider when their dragon reaches two Turns, that is unless the rider is under 16. No rider under 16 is allowed to join a wing until they turn 16.
