Q 01/05

The emperor tamarin is said to be named after which monarch, thanks to its long white moustache?

A) Franz Joseph I

B) Wilhelm II

C) Napoleon III

D) Nicholas II

Answer · why

B) Wilhelm II

Wilhelm II was the last German emperor, ruling until 1918. The monkey's name reportedly began as a zoologist's joke and simply stuck.

Q 02/05

How do the males of an emperor tamarin troop spend most of the day once babies arrive?

A) Carrying the infants

B) Patrolling the borders

C) Foraging for the mother

D) Resting out of sight

Answer · why

A) Carrying the infants

Carrying the infants is the males' job: they hand them to the mother only to nurse, roughly every two to three hours, then take them straight back.

Q 03/05

Emperor tamarin mothers, like most of their closest monkey relatives, usually give birth to what?

A) One baby

B) Triplets

C) Four young

D) Twins

Answer · why

D) Twins

Twins make up more than 80% of births in the emperor tamarin's family, the only monkeys that regularly produce them.

Q 04/05

Emperor tamarins have what in place of flat nails on every finger and toe except the big toe?

A) Claws

B) Hooves

C) Suckers

D) Bony spurs

Answer · why

A) Claws

Claws let emperor tamarins cling to bark and climb straight up or down a trunk; only the big toe keeps a flat nail.

Q 05/05

Captive emperor tamarins are known to lie on their backs to invite what from their keepers?

A) Feeding

B) Petting

C) Play fights

D) Nail trimming

Answer · why

B) Petting

Petting is a treat for captive emperor tamarins, which enjoy being stroked by hand; wild troops get the same comfort by grooming one another.