Translation guide
The English word 'penguin' refers to a flightless seabird. In Japanese, the standard word is ペンギン, a loanword from English. There are no common native Japanese words for this animal.
Referring to the flightless seabird of the family Spheniscidae.
The standard Japanese word for 'penguin', a loanword from English. Used in all contexts.
I saw penguins at the zoo.
Penguins are birds that cannot fly.