How rare Devils Hole pupfish populations came back to life in Death Valley

There was not much hope for tiny, endangered Devils Hole pupfish as the species' population dwindled to just a few dozen since the late 1990s. But recent population spikes are giving scientists a reason to celebrate. 

Nearly 200 Devils Hole pupfish were spotted during the spring count, National Park Service biologists said, which are the most seen in Death Valley National Park in 25 years. 

“It’s exciting to see an increasing trend, especially in this highly variable population....