A tiger cardinal broods eggs in it's mouth.

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

A giant jawfish brooding eggs in its mouth, Sea of Cortez, Mexico.

A male yellow barred jawfish (Opistognathus randalli), broods eggs in its mouth, Anilao, Philippines.

Eastern Glass Lizard with eggs

Adult with egg on tower shaped nest. Black-browed albatross or black-browed mollymawk (Thalassarche melanophris). South America, Falkland Islands, January

This male Ring-tailed Cardinalfish (Ostorhinchus aureus) is protecting and incubating it's eggs by carrying them in his mouth, Philippines

Reef squid with eggs, Sepiotheuthis australis, Malaysia, Pazifik, Pacific ocean, Borneo, Mabul

Blue footed booby (Sula Nebouxii) upon its eggs on the ground. Galapagos archipelago. Ecuador.

King Penguin (Aptenodytes patagonicus) brooding eggs, Saunders island, Falkland