As anyone who has tried to hold a conversation in a noisy room knows, it is sometimes easier to rely on hand gestures than to shout over the din. White-throated dippers face a similar challenge along ...

A little over a year ago, Marcela Uhart was walking on the beach in Punta Delgada, Argentina. It was peak breeding session on this peninsula known for its rich marine wildlife. Usually, the salty ...

During their spring migration, billions of birds fly from their southern wintering habitats. After the spring breeding season ends and as fall and winter approach in the northern latitudes, they begin ...