I woke up before 4 a.m. and got right out of bed. I wasn't sick and I wasn't giving up on any more shut eye after one of those inexplicable nights of tossing and turning. I did it in the name of ...

Often seen as a lemon-colored blur among leafy treetops, the American yellow warbler is challenging to view with binoculars or capture with a camera. Patience and a bit of luck make it worth the ...