Q 01/05

Bats are the only mammals capable of doing what?

A) True, sustained flight

B) Echolocating in the dark

C) Hibernating for whole winters

D) Sleeping upside down

Answer · why

A) True, sustained flight

Flying squirrels, colugos and sugar gliders only glide; bats flap and stay up.

Q 02/05

The bat order name Chiroptera comes from Ancient Greek words meaning what?

A) Night flyer

B) Hand wing

C) Leather mouse

D) Blind hunter

Answer · why

B) Hand wing

A bat's wing really is a hand: long, spread fingers stretched with a thin membrane called the patagium.

Q 03/05

Roughly what share of all classified mammal species are bats?

A) 5%

B) 10%

C) 20%

D) 40%

Answer · why

C) 20%

Only rodents outnumber them, with at least 1,500 bat species described so far.

Q 04/05

Kitti's hog-nosed bat, the world's smallest bat, is nicknamed after which insect?

A) Firefly

B) Hummingbird hawk-moth

C) Dragonfly

D) Bumblebee

Answer · why

D) Bumblebee

It is arguably the smallest mammal on Earth by body length, at just 29 to 33 millimetres.

Q 05/05

About how much does Kitti's hog-nosed bat weigh?

A) 2 grams

B) 12 grams

C) 30 grams

D) 75 grams

Answer · why

A) 2 grams

It lives in limestone caves along rivers in western Thailand and southeast Myanmar and was unknown to science before 1974.