First there was the invasion of the American crayfish, and now the American bullfrog may be providing a new threat to Dutch native species. Traces of the bullfrog, an invasive species, have been found in a Brabant nature reserve, Jeroen Delft of herpetology research institute RAVON told broadcaster NOS. Delft and his fellow researchers are keeping a close eye on developments both in the Netherlands and nearby Flanders, which is currently combating a bullfrog invasion of its own. The American...
Netherlands (National)














