| Common Name | Scientific name |
|---|---|
| Sharp-tailed Grouse | Tympanuchus phasianellus |
| Sharp-tailed Sandpiper | Calidris acuminata |
| Sharp-tailed Streamcreeper | Lochmias nematura |
| Sharpbill | Oxyruncus cristatus |
| Shining Honeycreeper | Cyanerpes lucidus |
| Shiny Cowbird | Molothrus bonariensis |
| Short-billed Dowitcher | Limnodromus griseus |
| Short-billed Pigeon | Patagioenas nigrirostris |
| Short-crested Coquette | Lophornis brachylophus |
| Short-eared Owl | Asio flammeus |
| Short-tailed Albatross | Phoebastria albatrus |
| Short-tailed Hawk | Buteo brachyurus |
| Short-tailed Nighthawk | Lurocalis semitorquatus |
| Short-tailed Shearwater | Ardenna tenuirostris |
| Short-tailed Swift | Chaetura brachyura |
| Short-toed Eagle | Circaetus gallicus |
| Short-toed Treecreeper | Certhia brachydactyla |
| Siberian Accentor | Prunella montanella |
| Siberian Blue Robin | Luscinia cyane |
| Siberian Jay | Perisoreus infaustus |
| Siberian Rubythroat | Calliope calliope |
| Siberian Rubythroat | Luscinia calliope |
| Siberian Stonechat | Saxicola maurus |
| Siberian Thrush | Geokichla sibirica |
| Siberische tjiftjaf | Siberische tjiftjaf |
RingBase adheres to EURING codes.
