Edition differences: original GBA and Nintendo Switch (2026)

Battle data describes Generation III rules. Availability notes distinguish native catches, evolution and breeding from original GBA imports. GBA games can trade with compatible Generation III games after the network quest; Switch supports local FireRed/LeafGreen trading and cannot import Pokémon from other games. Transfers to Pokémon HOME are one way.

GBA: AuroraTicket and MysticTicket required historical event distributions. Switch: both tickets are added after entering the Hall of Fame, providing access to Deoxys on Birth Island and Lugia/Ho-Oh on Navel Rock. Other event Pokémon and GBA imports are not made available by these tickets.

Original GBA: a roaming Entei or Raikou that successfully ends an encounter with Roar disappears permanently because of a game bug. The Switch editions fix this Roar disappearance bug.

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Swellow

#277 in the National Pokédex • Swallow Pokémon

Normal

Shiny

Taillow Wingull

Pokédex entries

FireRed

If its two tail feathers are standing at attention, it is proof of good health. It soars elegantly in the sky.

LeafGreen

If its two tail feathers are standing at attention, it is proof of good health. It soars elegantly in the sky.

Details

Types

Weak to

2×

2×

2×

Resists

0.5×

0.5×

Immune to

0×

0×

Growth

EV yield, catch rate, and experience details for this Pokémon.

EV yield	2 Spe
Catch rate	45
Base Exp.	162

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg groups	Flying
Gender	50% male 50% female
Egg cycles	15 (4,095 steps)

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Taillow #276	Level 22 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Swellow #277

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Growl	Status	-	100	40	The user growls in a cute way, making the foe lower its ATTACK stat.
Start	Peck	Physical	35	100	35	The foe is jabbed with a sharply pointed beak or horn.
Start	Quick Attack	Physical	40	100	30	An almost invisibly fast attack that is certain to strike first.
Start	Focus Energy	Status	-	-	30	The user takes a deep breath and focuses to raise its critical-hit ratio.
4	Focus Energy	Status	-	-	30	The user takes a deep breath and focuses to raise its critical-hit ratio.
8	Quick Attack	Physical	40	100	30	An almost invisibly fast attack that is certain to strike first.
13	Wing Attack	Physical	60	100	35	The foe is struck with large, imposing wings spread wide.
19	Double Team	Status	-	-	15	The user creates illusory copies of itself to raise its evasiveness.
28	Endeavor	Physical	-	100	5	Gains power the fewer HP the user has compared with the foe.
38	Aerial Ace	Physical	60	-	20	An extremely fast attack against one target. It can’t be evaded.
49	Agility	Status	-	-	30	The user relaxes and lightens its body to sharply boost its SPEED.

Machine compatibility for Generation III. HM08 Dive cannot be obtained in FireRed or LeafGreen; a Pokémon must learn it in another Generation III game and be traded in on GBA. Switch has no incoming transfers from those games.

		Class				Description
TM06	Toxic	Status	-	85	10	A move that badly poisons the foe. Its poison damage worsens every turn.
TM10	Hidden Power	Physical	-	100	15	An attack that varies in type and intensity depending on the user.
TM11	Sunny Day	Status	-	-	5	The sun blazes for five turns, powering up FIRE-type moves.
TM15	Hyper Beam	Physical	150	90	5	A severely damaging attack that makes the user rest on the next turn.
TM17	Protect	Status	-	-	10	Enables the user to evade all attacks. It may fail if used in succession.
TM18	Rain Dance	Status	-	-	5	A heavy rain falls for five turns, powering up WATER-type moves.
TM21	Frustration	Physical	-	100	20	This attack move grows more powerful the less the user likes its TRAINER.
TM27	Return	Physical	-	100	20	This attack move grows more powerful the more the user likes its TRAINER.
TM32	Double Team	Status	-	-	15	The user creates illusory copies of itself to raise its evasiveness.
TM40	Aerial Ace	Physical	60	-	20	An extremely fast attack against one target. It can’t be evaded.
TM42	Facade	Physical	70	100	20	An attack that is boosted if user is burned, poisoned, or paralyzed.
TM43	Secret Power	Physical	70	100	20	An attack that may have an additional effect that varies with the terrain.
TM44	Rest	Status	-	-	10	The user sleeps for two turns to fully restore HP and heal any status problem.
TM45	Attract	Status	-	100	15	If it is the other gender, the foe is made infatuated and unlikely to attack.
TM46	Thief	Special	40	100	10	An attack that may take the foe’s held item if the user isn’t holding one.
TM47	Steel Wing	Physical	70	90	25	The foe is hit with wings of steel. It may also raise the user’s DEFENSE.
HM02	Fly	Physical	70	95	15	A 2-turn move that hits on the 2nd turn. Use it to fly to any known town.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Counter	Physical	-	100	20	A retaliation move that counters any physical hit with double the damage.
Double-Edge	Physical	120	100	15	A reckless, life-risking tackle that also hurts the user a little.
Mimic	Status	-	-	10	The user copies the move last used by the foe for the rest of the battle.
Substitute	Status	-	-	10	The user creates a decoy using one-quarter of its full HP.

Traits

Ability options available to this Pokémon in this game.

Guts

Ups ATTACK if suffering.

Increases Attack to 1.5× with a major status ailment.

#276

Taillow

#278

Wingull

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