This is a toucan from Montroll's book "Origami for the Enthusiast." I used 30 cm tissue-foil paper. I can't finish the final fold on the feet, which is typical for me.
Do I need larger paper, or is it just that I am not a good tiny folder? Thank you.
When you say 300cm I hope you mean 300mm (i.e. 30cm).
It's probably that you aren't good at manipulating small folds. This is quite common and is the reason that a lot of people use folding tools like tweezers and folders.
Personally I am used to folding Montroll models with 15cm kami (Just under 6 inches).