“There is a singer everyone has heard, / Loud, a mid-summer and a mid-wood bird, / Who makes the solid tree trunks sound again.” —Robert Frost, “The Oven Bird” An unassuming warbler more often seen than heard, the Ovenbird’s loud “tea-cher tea-cher tea-cher tea-cher” song is prevalent in forests across nearly all of Massachusetts, except […]