West Nile Virus may be a more dire problem for a far wider range of bird species than experts have previously thought, according to a new study conducted by a collaboration of research organizations including the Point Reyes Station-based Institute for Bird Populations. And some are being hit harder than others—though for reasons that remain unclear.

You've reached subscriber-only content

Register for free to continue reading  Free 3-day trial

Already a subscriber? Log in here.