Chick.
Or perhaps, Henrietta.
chick
Chick
A baby chicken is called a chick.
they are called "chicks"
pullet/chicks
Moose!
Baby poultry: Baby chickens are chicks Baby Turkeys are poults Baby Ducks are ducklings Baby Geese are goslings
A baby plant is called a seedling. It can be argued that a seed is also a baby plant by the argument that an egg is a baby chicken, though this is debated between people.
An offspring bird is a hatchling or a chick
"Beaky Buzzard" .
Biddy is often used for an older hen. Chicks are often called peepers, peeps.
The name of a chicken's house is the chicken coop.