Mechanics:
Ability Scores: Elves receive a +2 to Dexterity and a +2 to Intelligence, but suffer a -2 penalty to Constitution.
Size: Elves are Medium creatures.
Speed: Elves have a base speed of 30 feet.
Darkvision: Elves can see in the dark up to 60 feet.
Keen Senses: Elves gain a +2 bonus to Perception checks.
Ancestry Feats: Elves have a variety of ancestry feats to choose from as they level up, including feats that improve their magic, archery, or stealth abilities, as well as feats that allow them to communicate with animals or improve their natural healing abilities.
Heritage: Elves also have a variety of heritages to choose from, including Wood Elf, Snowcaster Elf, and Duskwalker Elf, each of which grants different abilities and bonuses.
Overall, the elven ancestry is a versatile and popular choice for players who want a character that is graceful, magical, and skilled in a variety of fields.