Northern Bobwhite ... Evening Grosbeaks ... Boreal Chickadees ... Common Terns ... and Northern Pintails, like this one ... the populations of all are in decline, mostly due to habitat loss. On Earth Day, join those who are finding ways to conserve the natural resources that sustain the full community of life, for people and birds. Join your local Audubon. Volunteer to help remove invasive plants. Visit a national park or refuge. Buy a Duck Stamp. There are many ways to get involved and help #BringBirdsBack!