Q 01/05

What nickname did rangers give the 2.7 kg cane toad found in Queensland's Conway National Park?

A) Toadzilla

B) Toad Kong

C) Mega Toad

D) Toadasaurus

Answer · why

A) Toadzilla

Toadzilla, a female about 25 cm long, may be the biggest cane toad ever seen. She was preserved for display at the Queensland Museum.

Q 02/05

Mid-20th-century doctors injected a patient's urine into male cane toads to detect which condition?

A) Diabetes

B) Pregnancy

C) Tuberculosis

D) Kidney disease

Answer · why

B) Pregnancy

Pregnancy showed up when sperm appeared in the toad's own urine, a faster test than the older ones that used mammals. Toads did this job for around 20...

Q 03/05

About one in ten cane toads at the front of Australia's invasion has developed which ailment?

A) Blindness

B) Skin cancer

C) Arthritis

D) Heart disease

Answer · why

C) Arthritis

Arthritis is the price of speed. Toads on the frontier have evolved longer legs, bigger bodies and faster movement than the ones left behind.

Q 04/05

Australia's cane toads all descend from roughly how many animals shipped in for the first release?

A) About 100

B) About 1,000

C) About 10,000

D) About 100,000

Answer · why

A) About 100

About 100 toads made the trip in June 1935: 102 were shipped and one died of dehydration in transit. They bred so fast that their young were being rel...

Q 05/05

Among the world's true toads, the cane toad is considered the champion in which category?

A) Loudest

B) Largest

C) Fastest

D) Longest-lived

Answer · why

B) Largest

Largest is the title. Females grow significantly longer than males, typically reaching 10 to 15 cm, and the odd giant stretches to about 25 cm.