Sether - Wikipedia
| Sulidae Efander menhesennow: Eocen – lemmyn 47–0 Ma | |
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| Sethoryon war enys Helgoland yn Almayn | |
| Klassans bewoniethek | |
| Gwlaskor: | |
| Fylum: | |
| Klass: | |
| Urdh: | |
| Teylu: |
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Sether yw onan a dheg eghenn a ydhyn an mor y'n teylu Sulidae. Henwys yns i sether drefen aga bos haval dhe gwarak ha seth. Dell yw usys, kachya puskes a wrons dre lamma y'n dowr. Sethoryon a's teves hys a 60-85 cm (24-33 meusva) ha les eskelli a 140-175 cm. Aga eskelli yw hir, kul ha bleynek, gans lost hir shap adamant. Pur stemlinys yns i gans korfow shap torpedo ha plat.
I a's teves garrow nerthek ha treys troswiek. Kevys yns i dre vras yn morow trovannel po istrovannel, mes y hyllir gweles nebes eghennow, kepar ha'n sether kemmyn yn dowrow temprek ynweddh. Boosa a wra pub eghen saw y'n mor, dre vras war buskes myns kres. Pub eghen a'n teylu ma a dhinyth yn trevesigethow.
| Hanow skiensek | Kernewek | Sowsnek | Kembrek | Skeusen | Gwandrans |
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Morus bassanus Kri |
Sether kemmyn | Northern gannet | Hugan |  |
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| Morus capensis | Sether an Penntir | Cape gannet | Hugan y Penrhyn |  |
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| Morus serrator | Sether Ostrali | Australasian gannet | Hugan Awstralia |  |
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| Papasula abbotti | Bobba Abbott | Abbott's booby | Bwbi Abbott |  |
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| Sula nebouxii | Bobba troos glas | Blue-footed booby | Bwbi troedlas |  |
_world2.png) Glas golow - heb maga |
| Sula variegata | Bobba Perou | Peruvian booby | Bwbi Periw |  |
 Glas golow - heb maga |
| Sula dactylatra | Bobba enep glas | Masked booby | Bwbi mygydog |  |
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| Sula granti | Bobba Nazka | Nazca booby | Bwbi Nasca |  |
 Glas - heb maga |
| Sula sula | Bobba troos rudh | Red-footed booby | Bwbi troedgoch |  |
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| Sula leucogaster | Bobba gell | Brown booby | Bwbi brown |  |
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