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The cane toad is estimated to have a critical thermal maximum of 40–42 °C (104–108 °F) and a minimum of around 10–15 °C (50–59 °F). [43] The ranges can change due to adaptation to the local environment. [44] Cane toads from some populations can adjust their thermal tolerance within a few hours of encountering low temperatures. [45]
Correspondingly, gape size decreases with increasing body length. Conversely, species at a lower risk from cane toads, including the marsh snake and the keelback snake, show no significant morphological variation over time. The arrival of cane toads has also exerted selection pressures on the feeding behaviour and toxin tolerance of snakes.
A young cane toad. The cane toad in Australia is regarded as an exemplary case of an invasive species.Australia's relative isolation prior to European colonisation and the Industrial Revolution, both of which dramatically increased traffic and import of novel species, allowed development of a complex, interdepending system of ecology, but one which provided no natural predators for many of the ...
Large, toxic and voracious cane toads are being collected by hand in Taiwan in a bid to protect pets, wild animals and even humans on the island. Large, toxic and voracious cane toads are being ...
Cane toads were introduced to Australia in 1935 to control cane beetles and other pests but their population exploded and with no natural predators they have become a threat to Australian species ...
On the edge of a dark, suburban park in Brisbane, teams of volunteer toad-catchers gather around Gary King as he shoves another squirming specimen into a cooler box. This warty, toxic pest ...
Cane Toads: An Unnatural History is a 1988 documentary film about the introduction of cane toads to Australia. Cane toads were introduced to Australia with the aim of controlling a sugar cane pest, the cane beetle , but they over-multiplied and became a serious problem in the Australian ecosystem .
More doubtful biological controls were the cane toad, which was introduced to control the sugar cane destroying cane beetle; instead the cane toad ate anything and everything else—the beetle was not its preferred food source given choice. The cane toad in Australia has become the biological control that is most infamous for having been a ...