Bird migration researcher Tim Spahr describes how he predicted a big fallout of birds last spring and how he might do it again. Our man Mike O'Connor explains the behavior of paint-eating Blue Jays, and we learn how a beautiful diver got its name.
Bird migration researcher Tim Spahr describes how he predicted a big fallout of birds last spring and how he might do it again. Our man Mike O'Connor explains the behavior of paint-eating Blue Jays, and we learn how a beautiful diver got its name.