If I remember right,on Island 1 you are able to catch Moltres, the legendary Fire Pokemon.And that's pretty much all. .
One Island by Mt. Ember
Island One moltres is at the top of Mt ember.
mt ember on one island
Type your answer here... one island has it's where moltres is
go to One Island
he is on island one two or three
Bill gives it to you after getting to one island.
you catch it at mt.ember in one island. you will be able to go to one island after defeating blaine, the gym leader of cinnabar island.
you find delibird in island number 4 in the snow caveDelibird is uncatchable in leafgreen get one from firered.
on one island after you defeated the 7th gym bill will come to you and he askes if you want to come to one island
go to the top of the mt. ember on one island.
You can find one in the Icefall Cave on Four Island.