Oviparous Animals 1 Dinosaur Eggs All dinosaurs laid eggs. Dinosaurs on land had nest in the trees or on the ground. Nest of Eggs - Fossilized 2 Fossilized Eggs Insects – Monarch Butterfly Monarch Butterflies lay their eggs on the bottom of the milkweed plant which it’s caterpillar will eat. 3 Caterpillar hatching Shark Eggs Shark lay an egg that have a very tough shell. The shell I also bendable. It can be turned like a cork screw in a crevice into the reef to hide the shell from other predators. Shark Eggs Hidden in Coral 4 Amphibians - Frogs Frogs lay their eggs in water. The egg hatch and the frog goes from an egg to a tadpole. Frog Eggs 5