"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."
Of the three legendary birds, Zapdos has been used the least in terms of story. It was of course a part of Pokemon 2000, but in the anime, it's only had a few episodes of focus. One of which was it terrorizing an area Ash and crew was trying to get through, and the other was about a mechanical version of the Pokemon. But, it is respected enough to be the symbol for Team Instinct.
Zapdos' Basic Attack is Charge Beam, while its Special Attacks are Thunder, Thunderbol, and Zap Cannon.