| influenza a virus (a/anas plathyrhynchos/spain/1252/2007(h6n4)) | no rank | viruses and viroids | viruses | no rank | 642488 |
| influenza a virus (a/mallard duck/netherlands/30/2011(h6n4)) | no rank | | | no rank | 1908147 |
| influenza a virus (a/mallard duck/ohio/16os0826/2016(h6n4)) | no rank | | | no rank | 2050524 |
| influenza a virus (a/mallard/alberta/58/1989(h6n4)) | no rank | | | no rank | 1261976 |
| influenza a virus (a/mallard/california/1492/2010(h6n4)) | no rank | | | no rank | 1172103 |
| influenza a virus (a/mallard/minnesota/313/1999(h6n4)) | no rank | viruses and viroids | viruses | no rank | 680872 |
| influenza a virus (a/mallard/netherlands/30/2011(h6n4)) | no rank | | | no rank | 1659046 |
| influenza a virus (a/mallard/sweden/689/2014(h6n4)) | no rank | | | no rank | 1928428 |
| influenza a virus (a/mallard/wisconsin/770/1982(h6n4)) | no rank | | | no rank | 1406681 |
| influenza a virus (a/mallard/wisconsin/772/1982(h6n4)) | no rank | | | no rank | 1445325 |