exceptionally rare

Translations
исключительно редкий
This species is exceptionally rare in the wild.
Этот вид исключительно редок в дикой природе.
Definitions
A term used to describe something that occurs very infrequently or is found in very limited quantities, making it highly unusual or unique.
Words
exceptionally

adverb
исключительно
rare

adjective
редкий