This week, birders around the world lost one beloved feathered creature from their birding life list. Fortunately, no species went extinct. Instead, this change resolved a long-held misunderstanding ...

The hoary redpoll is bird of the week, not because any have appeared, but because some are anticipated. And because there is a plausible, if circuitous, connection between the redpoll and the ...

The changes in the natural world, associated with the advance of spring, are triggered by an increase in average temperatures ...