you must get the rainbow pass.
4 island.
The Pokemon day care for Pokemon Leafgreen/Firered is on island 4. You have to beat the elite 4 and get the machine on island 1 working to go there.
No, but you can breed them on island 4.
after beating eliet 4 and champion
You need to use surf
in the icefall cave on 4 island.
you get hm 8 waterfall in icefall cve in island 4.
you find delibird in island number 4 in the snow caveDelibird is uncatchable in leafgreen get one from firered.
They're on the FIFTH island.
Beat elite 4 and take the boat from vermilion city to six island
its on island 4. but to get there you have to have the rainbow pass then board the vermillion boat port.
you go to island 4 and ice berg cave it is in there.