GLOSSARY

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FABERGE EGG
Famous jewelled and lined goose eggs created at the House of Faberge in Russia around the turn of the century.
HATCHING SYNCHRONY
When all the chicks in a clutch hatch at the same time. Although eggs are laid one at a time, the parent begins incubation after all the eggs have been laid.
HATCHLING
A chick from a recently-hatched egg.
HORMONE
A biochemical that is secreted by an endocrine gland into the blood stream. It has a specific action on the body.
HOST
Bird species conned into incubating and raising the young of another (parasite) species.
INCUBATION
The process during which the heat required for the development of the embryo is applied to an egg after it has been laid.
INCUBATION PERIOD
The time during which incubation takes place.
INDETERMINATE LAYER
A bird will lay replacement eggs when eggs are removed early in incubation.