| canada | alberta | anas acuta | species | 43 | 0 |
| canada | british columbia | anas acuta | species | 1 | 0 |
| canada | manitoba | anas acuta | species | 83 | 0 |
| canada | new brunswick | anas acuta | species | 21 | 0 |
| canada | newfoundland and labrador | anas acuta | species | 1 | 0 |
| canada | northwest territories | anas acuta | species | 1 | 0 |
| canada | nova scotia | anas acuta | species | 21 | 0 |
| canada | ontario | anas acuta | species | 0 | 2 |
| canada | prince edward island | anas acuta | species | 21 | 0 |
| canada | quebec | anas acuta | species | 43 | 1 |
| canada | saskatchewan | anas acuta | species | 43 | 1 |
| egypt | cairo governorate | anas acuta | species | 0 | 1 |
| hong kong | | anas acuta | species | 3 | 0 |
| japan | | anas acuta | species | 84 | 0 |
| japan | akita prefecture | anas acuta | species | 0 | 2 |
| japan | aomori prefecture | anas acuta | species | 0 | 1 |
| japan | hokkaido prefecture | anas acuta | species | 8 | 2 |
| japan | miyagi ken prefecture | anas acuta | species | 0 | 1 |
| japan | saitama prefecture | anas acuta | species | 0 | 1 |
| japan | tottori prefecture | anas acuta | species | 8 | 0 |
| mexico | sinaloa | anas acuta | species | 0 | 1 |
| mongolia | | anas acuta | species | 1 | 0 |
| netherlands | | anas acuta | species | 1 | 0 |
| norway | troms county | anas acuta | species | 1 | 0 |
| poland | lodz province | anas acuta | species | 0 | 1 |
| russia | | anas acuta | species | 1 | 0 |
| russia | arkhangelsk oblast | anas acuta | species | 42 | 0 |
| russia | buryatia republic | anas acuta | species | 106 | 0 |
| russia | chukotka autonomous okrug | anas acuta | species | 45 | 0 |
| russia | primorsky krai | anas acuta | species | 90 | 1 |
| russia | sakha republic | anas acuta | species | 21 | 0 |
| russia | yamalo-nenets autonomous okrug | anas acuta | species | 43 | 0 |
| south korea | | anas acuta | species | 12 | 0 |
| spain | andalusia | anas acuta | species | 106 | 0 |
| sweden | skane | anas acuta | species | 2 | 0 |
| taiwan | | anas acuta | species | 0 | 1 |
| united states | | anas acuta | species | 117 | 0 |
| united states | alaska | anas acuta | species | 608 | 9 |
| united states | california | anas acuta | species | 111 | 5 |
| united states | district of columbia | anas acuta | species | 4 | 0 |
| united states | florida | anas acuta | species | 20 | 1 |
| united states | louisiana | anas acuta | species | 1 | 1 |
| united states | minnesota | anas acuta | species | 0 | 1 |
| united states | mississippi | anas acuta | species | 0 | 3 |
| united states | nevada | anas acuta | species | 29 | 0 |
| united states | north carolina | anas acuta | species | 0 | 1 |
| united states | north dakota | anas acuta | species | 1 | 1 |
| united states | oregon | anas acuta | species | 21 | 0 |
| united states | south carolina | anas acuta | species | 0 | 1 |
| united states | tennessee | anas acuta | species | 0 | 1 |
| united states | texas | anas acuta | species | 1 | 2 |
| united states | utah | anas acuta | species | 63 | 0 |
| united states | washington | anas acuta | species | 21 | 1 |