Lanugo.
This fine hair is called "lanugo."
soft fine hair that covers an infant is called downy hair
It is called nymph
The name for a newborn star is called a gosling. This name is given until the grow big enough to be an adult.
A young turkey is know as a poult.
We call baby seals pups.
Newborn mice are called pups. They may also be called "pinkies" because their skin is a reddish pink color when they are first born.
Newborn hair falling out is a common occurrence called "telogen effluvium" and is usually not a cause for concern. This shedding is a natural process as the baby's hair adjusts to life outside the womb. The hair will typically grow back within a few months. If you have concerns about your baby's hair loss, it is best to consult with a pediatrician for reassurance and guidance.
A newborn sheep is called a 'lamb'.
A newborn elephant is called a calf.
Newborn hair loss is common and typically occurs around 3-4 months of age. This is due to hormonal changes and the natural shedding of the baby's initial hair, known as lanugo. The hair loss is temporary and new hair will grow in its place.
A newborn's hair typically falls out around 3 to 4 months of age, but it can vary from baby to baby.