The plural form of ‘species’ is-

কতকগুলো noun-এর plural ও singular form একই হয়। যেমন: gymnastics, baggage, species ইত্যাদি।
species (plural species )
Meaning: a group into which animals, plants, etc. that are able to have sex with each other and produce healthy young are divided, smaller than a genus and identified by a Latin name
a group into which animals, plants, etc. that are able to have sex with each other and produce healthy young are divided, smaller than a genus and identified by a Latin name
Source: Oxford languages