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7 fact-checked facts about babies, baby animals and early development, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

What is a baby kangaroo called?

AnswerJoey

All baby marsupials, kangaroos included, are called joeys.

About how long is a typical full-term human pregnancy?

AnswerAbout 40 weeks

Full term is counted as roughly 40 weeks.

Going deeper

What is a baby swan called?

AnswerCygnet

Goslings are baby geese; cygnets are baby swans.

Newborn babies have roughly how many bones?

AnswerAbout 300

Many fuse as a child grows, leaving about 206 in adults.

What is the soft spot on a baby's skull called?

AnswerFontanelle

Fontanelles let the skull flex at birth and close as the baby grows.

Expert level

What is a baby platypus or echidna informally called?

AnswerPuggle

'Puggle' is a popular name for a baby monotreme.

What is a young hare in its first year called?

AnswerLeveret

Leverets are born furred with their eyes open.

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