That's an inaccurate statement. The shipment of live animals via USPS is a specific service documented in detail at https://pe.usps.com/text/pub52/pub52c5_008.h

That's an inaccurate statement. The shipment of live animals via USPS is a specific service documented in detail at https://pe.usps.com/text/pub52/pub52c5_008.htm https://pe.usps.com/text/pub52/pub52c5_008.htm These include bees, day–old poultry, adult birds, and small, harmless, cold–blooded animals.