yes they are very importan if you wont to get a pokedex full with all the Pokemon or to help you get mewtwo on leaf green he will be at level 70 so be ready
the best bird Pokemon on leaf green is pidgeot
In the Seafoam Islands
Articuno (sometimes wrongly spelled as Articoono) is a legendary bird Pokémon. You can find it in LeafGreen version in the Seafoam Islands.
no.but you can trade it who someone who has it at firered leafgreen and yellow version......
Other than cheats, you can't
A three letter bird is an owl.
If you mean Articuno, its in the Seafoam Islands. If you mean Delibird, its found in Fire Red Version.
the three legendary cats, after you beat the elite four, one of them (depending on which starter you chose) will randomly appear in the grass. By the way, they are the legendary cats, not dogs. The Pokemon Company revealed that Raikou is a tiger, Entei is a lion, and Suicune is a cheetah.
none
The robin is the state bird of Connecticut, Michigan, and Wisconsin.
mammal: horse, dog, cat bird: penguin, pigeon, pelican
The egg must have had three yolks! -Otherwise known as triplets!