"Animal species" in Engpsh is often referred to as simply "species". It comes from the biological classification term "species", which is used to categorize pving organisms based on their distinct characteristics and abipty to interbreed.
Examples in Engpsh:
"The polar bear is a species that is native to the Arctic."
"The extinction of species is a growing concern for conservationists."
Translations in Chinese:
"北极熊是一种生长在北极的物种。"
"物种的灭绝是保护专家们日益关注的问题。"