Fun Baby Trivia
Animal Babies Other Than Humans
Baby Development
Pregnancy & Birth
100

How many bones is a baby born with?

About 300

100

What is a baby kangaroo called?

Joey

100

Which sense is the least and the most developed at birth?

least: vision; most: hearing

100

What is the first milk produced after birth called?

Colostrum

200

What is the most common first word spoken by babies in the U.S.?

dada

200

What animal gives birth to the largest babies in the world?

Blue whale

200

What’s the first type of tooth to usually come in?

Lower central incisors

200

What’s the average length of a full-term pregnancy in weeks?

40 weeks

300

What is the most popular birth month in the U.S.?

September

300

Baby elephants rely on their mothers and herd for survival. About how long do elephant calves typically nurse before they are weaned?

Around 2–4 years (sometimes up to 6 years!)

300

At what age do most babies start teething?

Around 6 months

300

What’s the soft spot on a baby’s head called?

Fontanelle

400

About how many diapers does a baby use in the first year?

Around 2500-3000

400

What is a baby goat called

kid

400

Babies are born with the ability to breathe and swallow at the same time. Until what age?

About 6 months

400

What is the average newborn weight in the U.S.?

Around 7.5 lbs

500

what was the most common baby boy and baby girl name in the US in 2024?

  • Boys: Liam

  • Girls: Olivia

500

What is a baby swan called?

Cygnet

500

A newborn’s brain is about one-quarter the size of an adult’s brain. By what age does it reach about 80% of its adult size?

By age 3

500

What is the average length of labor for first-time moms?

12-18 hours

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