Mammoth Cave National Park officials announced today that they've detected white-nose syndrome, a deadly disease to bats, among the bat colonies that hibernate in the park.

South Florida, including Everglades National Park, has seen a precipitous decline in nesting success among wading birds, according to a report by the South Florida Water Management District.

The Old Settlers Trail in Great Smoky Mountains National Park is a quiet, solitary experience. The trail is full of historic artifacts and is perfect for a winter ramble, even if there's not much winter in the southern Appalachians this year.

It's supposed to be the heart of winter, but bats in Great Smoky Mountains National Park have been out and about, leading park officials to warn visitors about encountering bats.