Competition among nest mates can sometimes encourage adaptations between the siblings.

Not for him the te'aalan battle madness that he had seen destroy his nest mates.

It is talented, to have killed so many of its nest mates.

A short while later, the nest mates die.

It is vital for the young cuckoo to hatch either before, or at the same time as, its nest mates.

They do, however, eject their nest mates from the nest.

Let us consider how several ant species recruit nest mates for group action.

The food-finder might instead single out one other nest mate, and then lead it alone back to the food source.

And at any rate, I don't even know what my nest mates are doing right now, though I could.

His nest mates will be grieved to hear of this.