This is a stupid, anthropocentric question. The answer is simple: lions do not say "hello".
hello i am just wondering what is the evidence of sea lions?
You say "hello" in English.
Say Hello to Rosita!
halito is how you say hello and how to say hello how are you is Halito, Chim Achukma?
In Filipino, you say "hello" as "kamusta."
This is how you say hello in Turkish: Merhaba = Hello
Crocodiles do NOT say hello.
In Neapolitan, you say "ciao" to say hello.
In Paiute, you can say "Kwai" to say hello.
hello hello
hello same hello
Irankarapte - Hello