Nocturnal: Strix gain a +2 racial bonus on Perception and Stealth checks in dim light or darkness.
Suspicious: Strix receive a +2 racial bonus on saving throws against illusion spells and effects.
Hatred: Strix receive a +1 racial bonus on attack rolls against humanoid creatures with the human subtype because of their special training against these hated foes.
Darkvision: Strix see perfectly in the dark up to 60 feet.
Low-Light Vision: In addition to their ability to see perfectly in the dark up to 60 ft, Strix have low-light vision, allowing them to see twice as far as humans in conditions of dim light.