Swellow is card #32 of 113 in Delta Species (2005), a Rare illustrated by Atsuko Nishida. At about $16.68 it is the #92 most valuable card in the set. In a Delta Species booster it turns up about once every 32 packs. It is one of 14 Swellow cards printed so far.
2003Ruby & Sapphire
2004POP Series 1
2005Emerald
2006Dragon Frontiers
2008Legends Awakened
2014XY
2015Roaring Skies
2020Vivid Voltage

















See the full Delta Species card list
An ungraded Swellow from Delta Species sells for about $16.68. A PSA 10 is worth more, roughly $217 by our estimate, and a PSA 9 around $66.72.
It is a Rare, and it shows up about once every 32 Delta Species packs.
Atsuko Nishida drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Delta Species booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.