If there's a cave in New York that had 15,000 bats in it, and there are 1,000 left. That's like San Francisco becoming the population of half of this county in three years.
W jaskinii w Nowym Yorku z 15 tys. nietoperzy zostało 1000. To tak, jakby populacja San Francisco spadła do 70 tys. w ciągu 3 lat.