but that is what is happening with the common grackle. This iridescent blackbird species, once numbering around 150 million across much of the U.S. and Canada, has seen a significant downward ...

the Brewer’s in some ways replaces the common grackle ecologically. Monotypic. Length 9". A summer rusty blackbird is similar, but it has a more slender pointed bill. The male Brewer’s is more ...