Shadow Articuno! : r/TheSilphRoad

Current Raid Bosses - From Sunday, August 27, 2023, at 8:00 p.m. local time. (Primal Kyogre / Primal Groudon / Shadow Raids will also be held (featuring Shadow Articuno and others)) : r/TheSilphRoad

Makeup lake trio raid event blocks shadow articuno with 1 hour long raids all day : r/TheSilphRoad

Shadow Articuno Already Available in Samoa : r/TheSilphRoad

Catching Some Z's Raid Bosses - From Saturday, July 15, 2023, at 10:00 a.m. local time. : r/TheSilphRoad

Articuno, Zapdos, & Moltres Raid Guide Infographic by Team gtr-Storm (Individual guides linked in comments) : r/TheSilphRoad

Original announcement implied Shadow Zapdos would be around for the season Adventures Abound, and not just September. : r/TheSilphRoad

Analysis] Mamoswine as an Ice and Ground-type raid attacker: Is 6*L50 Shadow Mamoswine worth it? : r/TheSilphRoad

New Shadows PVP Guide (w/ JRE47) : r/TheSilphRoad

Shadow Articuno Raid Guide For Pokémon GO Players: Hidden Gems

Shadow Articuno Pokemon GO Wiki - GamePress

My gf and I did 5 Shadow Articuno raids and she got so *lucky* (purify for the hundo) : r/pokemongo

Shadow Legendary Raids Spawning in New Zealand : r/TheSilphRoad