Olympus E-M1MarkII, Olympus 300mm F2.8 Lens + EC-20, ISO 200 F6.3 1/125s 600 mm Ontario, CanadaChestnut-sided warblerChestnut-sided warbler (Setophaga pensylvanica) is one of the New World warbler species. It's bright plumage makes it a treat to photograph