1) крачка ( Sterna )
2) болотная крачка ( Chlidonias )
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- Aleutian tern
- Antarctic tern
- Arctic tern
- black tern
- bridled tern
- Caspian tern
- common tern
- crested tern
- Damara tern
- elegant tern
- fairy tern
- gull-billed tern
- inca tern
- Indian river tern
- least tern
- lesser crested tern
- little tern
- marsh tern
- noddy tern
- roseate tern
- royal tern
- sandwich tern
- sooty tern
- spectacled tern
- swift tern
- whiskered tern
- white tern
- white-fronted tern
- white-winged black tern
- white-winged tern
- yellow-billed tern