Tori
'Tonde iru tori.'
Hachidori (literally: bee bird)
赤い鳥 (akai tori)
"Ava" is not a Japanese word and so it has no meaning in Japanese. However, "ava" means "bird" in German and "bird" translated into Japanese is 鳥 (tori).
In Japanese language, the common word to say 'bird' is 'tori', there could be several variations depending of the kind of bird you are referring to. For instance, if you want to say 'little bird', you can say: 'kotori'.
Tori
You may say 'tori,' written: 鳥
'Tonde iru tori.'
Hachidori (literally: bee bird)
There isn't one, but you can literally say "blue bird" by combining blue "aoi" and bird "tori" together.
赤い鳥 (akai tori)
Tolinosu Toli- no- su (bird's nest)
鳥の島 Tori no shima
Both the name and the bird are ロビン and is actually spoken as 'robin'
"Legendary bird" would be "densetsu na tori" (den-setsoo nah toh-ree).
To say idiot, stupid, moron, or silly in Japanese would be "Baka". Example: "Anata WA baka desu" Means both "You are a moron", and "You are an idiot."