How did the pak protector species survive suicide night in the Larry Niven universe?

In Larry Niven's universe, the Pak Protector species survived the catastrophic event known as "Suicide Night" by utilizing their unique evolutionary adaptations. The Pak are a genetically engineered offshoot of the Pak people, designed for survival and protection of their offspring. During Suicide Night, a period marked by mass violence and chaos among the Pak, the Protectors exhibited their advanced intelligence and physical prowess, allowing them to navigate the turmoil and ensure the survival of their kind. Their inherent drive to protect and nurture their young ultimately enabled them to endure this crisis.