Cane toad

"The cane toad (Rhinella marina), also known as the giant neotropical toad or marine toad, is a large, terrestrial true toad which is native to South and mainland Middle America, but has been introduced to various islands throughout Oceania and the Caribbean, as well as Northern Australia.

It is a member of the genus Rhinella, but was formerly in the genus Bufo, which includes many different true toad species found throughout Central and South America. The cane toad is a prolific breeder; females lay single-clump spawns with thousands of eggs.

Its reproductive success is partly because of opportunistic feeding: it has a diet, unusual among anurans, of both dead and living matter. Adults average 10–15 cm (3.9–5.9 in) in length; the largest recorded specimen had a snout-vent length of 24 cm (9.4 in).

The cane toad is an old species. A fossil toad (specimen UCMP 41159) from the La Venta fauna of the late Miocene of Colombia is indistinguishable from modern cane toads from northern South America.

It was discovered in a floodplain deposit, which suggests the R. marina habitat preferences have long been for open areas.

The cane toad has poison glands, and the tadpoles are highly toxic to most animals if ingested.

Because of its voracious appetite, the cane toad has been introduced to many regions of the Pacific and the Caribbean islands as a method of agricultural pest control.

The species derives its common name from its use against the cane beetle (Dermolepida albohirtum).

The cane toad is now considered a pest and an invasive species in many of its introduced regions; of particular concern is its toxic skin, which kills many animals, both wild and domesticated. Cane toads are particularly dangerous to dogs."

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