-------------------+----------+-------------
Genera | Resident | Nonresident
| kinds | kinds
-------------------+----------+-------------
_Diomedea_ | 0 | 1
_Puffinus_ | 4 | 1
_Pterodroma_ | 1 | 1
_Phaëthon_ | 2 | 1
_Sula_ | 3 | 0
_Fregata_ | 1 | 1
_Larus_ | 0 | 1
_Chlidonias_ | 0 | 1
_Sterna_ | 2 | 4
_Thalasseus_ | 1 | 0
_Procelsterna_ | 0 | 1
_Anoüs_ | 2 | 0
_Gygis_ | 2 | 0
-------------------+----------+-------------