The number of coqui frogs on Oahu is expanding, the Washington Post reports. 

While their nighttime sounds are beloved in some parts of the world — in Hawaii, not as much. 

They have been making a steady advance into the more heavily populated Oahu in recent years, sneaking onto the island on plants and stowing away in cars, piles of lumber, cargo pallets and whatever else that’s being sent to Honolulu.

Read more here.