Vendors at baseball parks used to hawk their wares with these words, "Buy your scorecards here. You can't tell the players without a scorecard." That's an appropriate approach to identifying the ...

Birds that come from the north get a lot of attention, and there are southern birds that show up here, too. It's likely that the motives of these species are different. The northern birds are migrants ...

To get a good look at the effects of climate change, look no further than your own backyard: There might be some unexpected birds among the flock you’re used to seeing hovering around the birdfeeder, ...