In On the Move, our regular column about migration, we present pairs of distribution maps from eBird that you can use to compare where interesting … Read More “Maps show where to find Swamp Sparrow in winter”
South Dakota
Where you can find Chestnut-collared Longspur in February
In On the Move, our regular column about migration, we present pairs of distribution maps from eBird that you can use to compare where interesting … Read More “Where you can find Chestnut-collared Longspur in February”
Gyrfalcon: Earth’s largest falcon
Readers of BirdWatching in early 2013 voted Gyrfalcon the fourth most-wanted bird in the United States and Canada. Here’s what you need to know to add … Read More “Gyrfalcon: Earth’s largest falcon”