Among the many inhabitants of Southeast Asia’s dense rainforests are hornbills — a group of birds that stand out with their raucous call, large, ostentatious beak and colorful feathers. Indonesia harbors 13 species, the most of any country in Asia, three of which are found nowhere else. Hornbills are rapidly losing their homes as large swaths of Indonesian forests are cut down to make way for plantations, mining, dams, cities and other development, or are scorched by wildfires. Trade in these birds also poses another serious threat. Hundreds of hornbills are entering the illegal trade in Indonesia, according to a new study published in the journal Wild, some of which are offered for sale online. They’re sold alive as pets or killed for their casques, the ivory-like appendages above their beaks, and their taxidermied heads, which are displayed as home décor. To understand the scope of this trade, researchers analyzed police and customs confiscation data and surveyed online ads from 2015 to 2025. They learned that this illegal commerce is widespread and involves every Indonesian hornbill species and some from Africa and the Philippines as well. Most birds were sold alive, suggesting they’re bought as pets. Facebook was the preferred online marketplace. “The scale of the hornbill trade in Indonesia is probably greater now than I’ve seen it in the past,” said study author and wildlife trade researcher Chris Shepherd from the U.S.-based Center for Biological Diversity. “It’s becoming, perhaps, trendier to keep hornbills.” Indonesia is infamous for its songbird…This article was originally published on Mongabay