Fun Fact, Ash's Galarian Farfetch'd (which would go on to evolve into Sirfetch'd) was the first Version Exclusive Pokemon he caught, being exclusive to Pokemon Sword (Serebii and Bulbapedia don't list Solgaleo

Ash's Sirfetch'd (Forever), PokéFanon

Pokémon Sword and Shield's newest Pokémon revealed: Sirfetch'd - Polygon

Farfetch'd EVOLVES Into Sirfetch'd! Pokémon Journeys Episode 60 Review

Galarian Farfetch'd and Sirfetch'd - Origin of Species

Ash's Sirfetch'd, Pokémon Wiki

Ash's Sirfetch'd - Bulbapedia, the community-driven Pokémon encyclopedia

ASH'S FARFETCH'D EVOLVES INTO SIRFETCH'D! ASH VS RINTO REMATCH! - Pokemon Journeys Episode 60 REVIEW

Pokemon Sword & Shield: Farfetch'd's Evolution Was Well Worth The Wait

Have you ever changed an important Pokémon's species last minute? : r/pokemonfanfiction