#144 Articuno ;144;
Red/Blue/LeafGreen: A legendary bird Pokémon that is said to appear to doomed people who are lost in icy mountains (gee, Seafoam...)
Yellow: A legenadry bird Pokémon. It freezes water that is contained in winter air and makes it snow.
Gold/Stadium2: The magnificent, seemingly translucent wings of this legendary bird Pokémon are said to be made of ice.
Silver: One of the legendary bird Pokémon, it chills moisture in the atmosphere to create snow while flying.
Crystal: Legendary bird Pokémon. As it flies through the sky, it cools the air, causing snow to fall.
Ruby/Sapphire/Emerald: ARTICUNO is a legendary bird Pokémon that can control ice. The flapping of its wings chills the air. As a result, it is said that when this Pokémon flies, snow will fall.
FireRed: One of the legendary bird Pokémon. With its long tail trailing behind, its flying form is magnificent.
Stadium1: A legendary bird Pokémon with long and distinctive tail feathers. Said to appear if you are freezing on a snowy mountain.
#145 Zapdos ;145;
Red/Blue/LeafGreen: A legendary bird Pokémon that is said to appear from clouds while dropping enormous lightning bolts.
Yellow: This legendary bird Pokémon is said to appear when the sky turns dark and lightning showers down.
Gold/Stadium2: This legendary bird Pokémon causes savage thunderstorms by flapping its glittering wings.
Silver: This legendary bird Pokémon is said to appear only when a thundercloud parts into two halves.
Crystal: Legendary bird Pokémon. They say lightning caused by the flapping of its wings cause thunderstorms.
Ruby/Sapphire/Emerald: ZAPDOS is a legendary bird Pokémon that has the ability to control electricity. It usually lives in thunderclouds. The Pokémon gains power if it is stricken by lightning bolts.
FireRed: One of the legendary bird Pokémon. While it is flying, it makes crackling and snapping sounds.
Stadium1: A legendary bird Pokémon that appears with a gigantic thunder storm. It flies with the buzz and crack of electricity.
#146 Moltres ;146;
Red/Blue/LeafGreen: Known as the legendary bird of fire. Every flap of its wings creates a dazzling flash of flames.
Yellow: A legendary bird Pokémon. As it flaps its flaming wings, even the night sky will turn red.
Gold/Stadium2: This legendary bird Pokémon scatters embers with every flap of its wings. It is a thrilled sight to behold.
Silver: This legendary bird Pokémon is said to bring early spring to the wintry lands it visits.
Crystal: Legendary bird Pokémon. It is said to migrate from the south along with the spring.
Ruby/Sapphire/Emerald: MOLTRES is a legendary bird Pokémon that has the ability to control fire. If this Pokémon is injured, it is said to dip its body in the molten magma of a volcano to burn and heal itself.
FireRed: One of the legendary bird Pokémon. Those seeing it are overwhelmed by its orange wings that seem to be on fire.
Stadium1: A legendary bird Pokémon known as the "fire bird". Every time it flaps, its wings flare and burn brightly.
...so basically

, Articuno creates ice and blizzards, Zapdos thunderstorms, and Moltres... well, controls fire. It is not a Phoenix, I think that title goes to Ho-oh.