Why don’t I see my favorite songbirds – indigo buntings, brown thrashers, towhees – anymore?

These bird can't live in mature woods, and they've been getting rarer over the last 50 years as the young-forest habitat they need has been vanishing. Sixty-five reptiles, birds, and mammals – all of which need young forest – are considered species of greatest conservation need in the Northeast and Upper Midwest.