Monotremes are egg-laying mammals, and their eggs are not hard-shelled, but leathery. The monotremes include the platypus and echidna.
Reptiles also lay rubbery/leathery eggs.
Froggies :d
The Robin is hatched from a baby blue egg.
the animal inside will not hatch
An amphibian most likely.
the shell of an egg
This is an egg that can be in a shell and out of a shell.
the shell of an egg
No. Poaching an egg is basically boiling an egg w/o its shell by carefully cracking the egg and tipping it into hot water.
egg shell
A leathery shell is a shell that is flexible rather than solid like the shell of a bird egg. A snake's egg has a shell that is flexible, as does a turtle's egg.
by lap dancing renzmtrovela: because the egg white and egg yolk is made before the egg shell it puts the egg shell around it
all amphibians are borm with a shell or in an egg or in water.