1. The bird's nidification process involves gathering twigs and building a sturdy nest.

这只鸟的筑巢过程包括收集树枝并建立一个坚固的巢。

2. Many species of animals have unique strategies for nidification to ensure the safety and protection of their young.

许多动物物种都有独特的筑巢策略，以确保幼崽的安全和保护。