Flamingos in large flocks in the wild are social and extremely loyal. They perform group mating dances. Parents are very fond of their chicks, gathering them into crèches for protection while both males and females fly off to search for food.

Which among the following is the most logical corollary to the above passage ?

Mass nesting in all species of birds is essential to ensure complete survival of their offspring.

Only birds have the capacity to develop social behaviour and thus can do mass nesting to raise their chicks in safety.

Social behaviour in some species of birds increases the odds of survival in an unsafe world.

All species of birds set up crèches for their chicks to teach them social behaviour and loyalty.