Please enable JavaScript.
Coggle requires JavaScript to display documents.
Cane Toads - Coggle Diagram
Cane Toads
Identification/ Description
large stocky
dry, warty skin
bony head
bony ridges over their eyes above the nose
hind feet have leathery webbing between toes
front feet are unwebbed
females are bigger than males
reproduction
during wet seasons
can be all year round
large swellings on each shoulder
parotoid glands
Impacts on Australian native animals
Diet
mostly insects
will consume anything that fits in their mouth
spiders , snails
small frogs , other cane toads
small reptiles , small mammals
pet food
toxicity
secreted when attacked
bufotoxin
in parotoid glands
located over shoulders
Attacks heart and central nervous system
Australian native animals impacted
frogs
reptiles
large goannas
fresh-water crocodiles
blue tongue lizard
red-bellied snake
smaller heads
fish
mammals
quolls
can be positive or negative impact
population decline
increase prey
competition and predation
food
shelter
changes in species
more tolerant to toxin than others
behavioural adaptations
reluctant to eat cane toads
spread disease
Ecosystem
Native to Central and South America
from southern United States to tropics South America
introduced into Queensland Australia in 1935
approx. 3, 000 were released
to control the geyback cane beetle
a pest in sugar cane planations
unsuccessful
have now rapidly spread, occurs in
Queensland
Northern Territory
New South Wales
habitat ranges from
sand dunes and coastal heath
margins of rainforest and mangroves
abundant in open clearings, grassland and woodland
Changes in Cane toad population
frontline
longer, more muscular legs
fastest toads
lower immune system
energy spent on movement
rather than immunity
stress from rapid movement