Q 01/05

Geckos are found on every continent except which one?

A) Antarctica

B) Australia

C) Europe

D) South America

Answer · why

A) Antarctica

They stick to warm climates, which is why so many species end up living in people's houses in the tropics.

Q 02/05

Roughly how many gecko species exist, making them the most species-rich group of lizards?

A) Nearly 200

B) Nearly 500

C) Nearly 2,000

D) Nearly 5,000

Answer · why

C) Nearly 2,000

That is more than a quarter of all lizard species; the suborder Gekkota is split into seven families and about 125 genera.

Q 03/05

Geckos are unique among lizards for what ability?

A) Changing colour

B) Regrowing limbs

C) Making vocalisations

D) Living underwater

Answer · why

C) Making vocalisations

Most use chirps and clicks socially, tokays have a famously loud mating call, and some hiss when threatened.

Q 04/05

Most geckos lack eyelids; instead the eye is covered by a transparent membrane called what?

A) The nictitans

B) The cornea cap

C) The brille

D) The lens hood

Answer · why

C) The brille

Since they cannot blink, they lick the brille clean with their tongues whenever it gets dusty.

Q 05/05

How do eyelid-less geckos keep their eyes clean and moist?

A) They lick them

B) They blink a clear inner lid

C) They rub them on bark

D) They secrete oil from a gland

Answer · why

A) They lick them

The only geckos with true movable eyelids are the family Eublepharidae, which includes the leopard gecko.