Abricot Cremello

Colour Group: Abricot, Cream, and Rouge Base
Rarity: Unnatural
Importable?: Yes

Or

Colour Group: Pearl, Rouge Base, and Rouille
Rarity: Unnatural
Importable?: Yes

Cuivre

Colour Group: Rouge Base and Rouille
Rarity: Unnatural
Importable?: Yes

Zinc

Colour Group: Brun Base, Cream, and Rouille
Rarity: Unnatural
Importable?: Yes

Palace Wyvern

Colour Group: Brun Base, Noir Base, Rouge Base, and Wyvern
Rarity: Unnatural
Importable?: No - Events & breeding only

Mangrove Wyvern

Colour Group: Regius, Rouge Base, and Wyvern
Rarity: Unnatural
Importable?: No - Events & breeding only

Jungle Wyvern

Colour Group: Rouge Base and Wyvern
Rarity: Unnatural
Importable?: Yes - Admin customs only

Steppe Wyvern

Colour Group: Brun Base, Regius, and Wyvern
Rarity: Unnatural
Importable?: No - Events & breeding only

Desert Wyvern

Colour Group: Brun Base and Wyvern
Rarity: Unnatural
Importable?: Yes - Admin customs only

Grotto Wyvern

Colour Group: Noir Base, Regius, and Wyvern
Rarity: Unnatural
Importable?: No - Events & breeding only