Chlorophyll
Boosts the Pokémon's Speed stat in harsh sunlight.
Sap Sipper
Boosts the Attack stat if hit by a Grass-type move, instead of taking damage.
To prevent Deerling from entering their fields, many farmers will have several Lycanroc stand guard, as they are the natural enemy of Deerling.
Deerling have different scents depending on the season. When a distinct grassy smell starts to waft from one, you know that summer has begun.