This is the 6237th most frequent Russian word.
убежища
Shelters or refuges.
The word "убежища" refers to the concept of a physical or ideological place of protection or asylum.
Люди ищут убежища в безопасной стране во время войны.
People seek refuge in a safe country during war.
In this sentence, "убежища" is used to denote a secure area for conserving and protecting biodiversity.
Заповедник является убежищем для редких видов животных.
The reserve is a refuge for rare animal species.
Here, "убежище" is applied to describe a small and immediate place offering physical protection from environmental elements.