Next time you pass a mature ponderosa pine, notice its broad plates of orange-red bark etched with black crevices. That thick, puzzle-shaped bark helps the tree survive moderate forest fires by protecting the inside of the trunk from overheating; severe fires though can kill even the thickest-barked trees.
If you’re by a desert spring in far northwest Arizona or southeast Nevada and hear a low chuckle followed by what sounds like fingers rubbing on a balloon, you may have stumbled upon a relict leopard frog.
Every winter, what sounds like a pack of baying hounds fills the air at Bosque del Apache National Wildlife Refuge in New Mexico. It’s not dogs, though, but birds—snow geese by the thousands, making loud, nasal, single-syllable honks.