You can hold the R Button to make a sharp turn while flying or swimming. However, Bottles does not tell you this at any point in the game.
The voices in the game are not real speech, but rather a looping of voice-like sounds when text bubbles were displayed. This artistic choice was made due to memory limitations on the Nintendo 64 cartridges.
Grant Kirkhope based some of the music, most notably the theme of the Witch's Lair, on the children's song "Teddy Bears' Picnic".
Beneath the name of the ship in Rusty Bucket bay it says: "Twycross, England" the location of Rareware HQ
Out of the five transformations in the game, the crocodile is the only one that can attack.