"When I hear birds, I want to hear more."

Translation: Kiam mi aŭdas birdojn, mi volas aŭdi pli.

[Tuvalkin]

"Kiam mi aŭdas birdojn, mi volas aŭdi pli." = "When I hear birds, I want to hear more [birds]."

"Kiam mi aŭdas birdojn, mi volas aŭdi plu." = "When I hear birds, I want to hear more / I want to go on hearing them / I want to hear them longer."

[Curran919]

For the german speakers, pli ~ mehr and plu ~ weiter

[ElectricCoffee]

Oh thanks, those two have analogues in Danish: mehr = mere, weiter = videre.
So it clears some stuff up!

[Andr16065]

thanks, too, and for our Swedish audience :

• pli ~= mer

• plu ~= längre/vidare

but...

• ne ~ plu = inte mer [ nicht mehr ]

just mina deux cents...

[JustinGumblePuff]

For once, the direct object and the tense seems to make intuitive sense to me here!

For future, I would like a guide to study, though. Any ideas? I'm in a bit of a bind, here