Frogs were probably brought to america accidently on Christopher Columbus's ships or another famous explorers ships. No one has proof though for sure.
a horse
Cane Toads originate from Central- and North America. They were introduced in many nations with Australia as the most well-known country.
Cane toads were brought to Australia by British settlers.
when was the cane toad brought to the United States
cash crops like cotton, tobacco, sugar cane, wheat, ect.
a french priest sometime in the 1400's in north America
no but cane toads are
corn, wheat, cotton, sugar cane.
The effects that cane frogs have on the Australia population and ecology is the depletion of native species. Cane frogs are toxic to humans and pets when digested. The cause is that the cane toads are have a mixed of toxins that secret a milky liquid from their parotid glands.
cane toad
Spaniards
Native to Central and South America, Cane toads were introduced to Australia from Hawaii in June 1935 by the Bureau of Sugar Experiment Stations in an attempt to control the native cane beetle (Dermolepida albohirtum). These beetles are native to Australia and they are detrimental to sugar cane crops, which are a major source of income for Australia.