AP Blue Sky Science: Why do some animals go extinct while other species regenerate? May 15, 2019 Facebook Twitter SMS Email Print Save Some species are simply more rare than others and don’t occur in very large numbers. But usually there is some factor that has driven a population to even greater rarity. Tags News Wire Field59 Blue-sky-science Latest video Here's how to stay cool and safe during this weekend's extreme heat 'Celebrity Family Feud': Brooklyn Decker's Mother on the Spot Movies in a Minute: 'Lion King' & 'Once Upon a Time In Hollywood' Fan uses tarp as slip 'n slide during last night's Phillies-Dodgers game More evidence links broken heart syndrome to cancer 2019 International Choral Festival Police warn flushing drugs could create 'meth gators' Vaping is hurting teenage athletes Facebook Twitter SMS Email Print Save Most Popular Judge: Neo-Nazi blogger owes Whitefish woman $14M Montana home to most expensive luxury hotel in US Montana rabbis appalled by Senator Daines' support of racist incitement 'Fatal error': Man convicted of killing Missoula exchange student seeks new trial Drowning victim who died trying to save dog identified View All Promotions promotion spotlight AP How much coffee trivia do you know? promotion spotlight Could you pass a U.S. civics test?