Like the dazzling leaf colors of fall, a mix of green hues in a healthy forest in spring can be mesmerizing, fit for artists and poets. “In every wood in every spring there is a different green,” ...

The female Brewer’s is darker and browner, with dull green gloss on the wings, than the female rusty, which has grayish color, a more slender pointed bill. The male Brewer’s is more strongly ...