what is the overall climate of that first country you mentioned previously in which these species are found?
Mediterranean climate
Australia
 The south-west corner of the country has a Mediterranean climate. The south-east ranges from oceanic (Tasmania and coastal Victoria) to humid subtropical (upper half of New South Wales), with the highlands featuring alpine and subpolar oceanic climates. 
which regions will you find the australian green tree frog? Australia and New Guinea which places in these regions do they dwell in? Western Australia through the Northern Territory and Queensland to north and central New South Wales. what is the scientific name for these species? Ranoidea caerulea what do they feed on? Moths, cockroaches, and locusts do they take shelter in trees? Yes, they favor old stands of Eucalyptus. when is their breeding season? Between November and February how are these species are of benefit in the research fields? Several peptides from the skin secretions of the green tree frog have been found to destroy HIV without harming healthy T cells. what is their conservation status tagged as? Its tagged as "least concern" by the International Union for Conservation of Nature
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Australia [SEP] Climate
Throughout much of the continent, major flooding regularly follows extended periods of drought, flushing out inland river systems, overflowing dams and inundating large inland flood plains, as occurred throughout Eastern Australia in 2010, 2011 and 2012 after the 2000s Australian drought.