Indonesians on the island of Java have an old saying: A man is considered to be a real man if he has a house, a wife, a horse, a keris (dagger), and a bird.

The sprawling island nation is home to more than 1,600 species of birds, more than almost any other country in the world. It’s also home to the greatest number of species that are threatened by the bird trade.

Now a new study highlights just how severe a threat the pet trade is to Indonesia’s birds. The study, released Wednesday, has identified 13 species and another 14 subspecies that are at risk of extinction because of the pet trade.

“The number one thing I want people