The international trade in wild birds is governed primarily by the Convention on International Trade in Endangered Species of Wild Fauna and Flora, commonly known as CITES. This multilateral treaty, which entered into force in 1975, establishes a framework of permits and controls designed to ensure that international trade does not threaten the survival of listed species. The Red-Billed Hornbill (Tockus erythrorhynchus) is not currently listed on any of the three CITES appendices, which means that its international trade is not subject to the permit requirements imposed on species listed under Appendix I, II, or III.
The absence of a CITES listing does not, however, mean that trade in Red-Billed Hornbills is entirely unregulated at the international level. Many countries that are party to CITES have enacted domestic legislation that extends protections beyond the scope of the convention itself, and these national laws may impose their own restrictions on the import, export, and possession of non-CITES-listed wildlife. Furthermore, the European Union's Wildlife Trade Regulations, which implement CITES within the EU, include additional provisions that can affect the importation of bird species regardless of their CITES status.
It is also worth noting that CITES listings are subject to periodic review and amendment. As new data on population trends, habitat loss, and trade volumes become available, species can be added to or removed from the appendices at meetings of the Conference of the Parties, held approximately every three years. Given the growing body of evidence suggesting climate-driven population declines in parts of the Red-Billed Hornbill's range, future listing proposals cannot be ruled out, particularly if trade pressures increase or if range states advocate for additional protections.
Prospective keepers and breeders should be aware that even in the absence of a CITES listing, the import of Red-Billed Hornbills into many countries requires compliance with veterinary health certificates, quarantine protocols, and customs declarations. These requirements exist independently of CITES and are administered by national agricultural and biosecurity agencies. Failure to comply with import regulations can result in confiscation of birds, fines, and criminal prosecution, regardless of the species' conservation status under international treaty law.