那个小岛上有个海鸥的繁殖地，到处都是鸟叫声。

The small island has a noisy ___rookery where seagulls raise their young.

科学家们在南极发现了一个巨大的海豹繁殖地。

Scientists discovered a massive ___rookery of seals in Antarctica.

那片违章搭建的棚户区活像个乱糟糟的鸟巢。

The shanty town was a chaotic ___rookery of makeshift shelters.