A small Wednesday Warbler group ventured out today at Boston Lot despite threatening skies. Our short list included a few first-of-the-year birds: Mallard duck Wood duck Canada goose Common grackles Black and white warblers Song sparrows Chestnut-sided warblers Ovenbirds B-c chickadees Mourning doves American crows Northern cardinals Common yellowthroats White-throated sparrows Gray catbird Black-throated blue warbler Barn swallows Tree swallows Blue-headed vireos Eastern phoebes pileated woodpecker Black-throated green warbler Baltimore oriole Rose-breasted grosbeak (probable) Field sparrow (probable) Pip Richens