How to identify cane toad tadpoles
BiodiversityWatch's Graeme Sawyer outlines the key features, including colour and tail length, that can help identify a cane toad tadpole.
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Giant 'woolly' rat caught on camera for first time in Papua New Guinea's mountains
In the dead of night, a giant rat the size of a small terrier scurries among the forest ferns in the wet, glacial valley of Papua New Guinea's highest mountain. Little does it know, it is being caught on candid camera. For the first time, the subalpine woolly rat — the biggest rodent in Australia and Oceania — has been documented in Papua New Guinea's Mount Wilhelm. While the shaggy-furred rat was well-known by local hunters, it had not been photographed live in its habitat by the scientific community until now. "There is one book I was working with, on the mammals of PNG, and there is just a painting of his huge animal without any pictures," said biologist František Vejmělka. Only about 50 specimens — mostly of the rats' skulls — existed in scientific collections and most pictures of the rodent, other than a photograph of a preserved museum specimen, were painted illustrations. Being nocturnal, not particular noisy, and a drab shade of grey meant the tree-climbing rat also was hard to spot. "When scientists first described it in 1989, they assumed it was herbivorous based on the shape of their molars of their teeth," Mr Vejmělka said. But he confirmed this by purchasing rats local hunters caught to examine the rats' stomach contents, which were filled with ferns. Mr Vejmělka also documented their reddish-brown chests, a trait previously characterised as an "artefact" in existing literature. Measuring about 75 centimetres from head to tail and weighing about 1.5 kilograms, Mallomys istapantap is an elusive creature, only found in the eastern part of New Guinea's mountains. Mr Vejmělka said the rodent's Latin name means "it's on the top right" in the local Melanesian pidgin dialect, reflecting its habitat 3,000 meters above sea level, higher than where locals lived. The University of South Bohemia mammalian researcher published his findings in the journal Mammalia in April after spending six months among Papua New Guinea's highest peaks looking for the giant rat along with 60 other rodent species. He said standard trapping did not work in the mountainous forests, so he set up camera traps and joined local landowners on night hunts to find the shaggy critter. Mr Vejmělka said the scientific community's lack of understanding of the rodent was a reflection of its remote habitat rather than its numbers. "During my time spent there working with the hunters I could see that they were actually pretty abundant. He credited the local community and indigenous hunters for helping him with his PhD research into the island's fauna and hoped to return and continue his work "The mammals of the island and the biodiversity is so poorly known still, that it's really a place for a lifetime of scientific work."
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In their conversation with SBS Hebrew Leah Boulton and Dassi Erlich also revealed Pathway's expansion and partnership with the Lighthouse Foundation in new initiatives to deliver culturally sensitive, trauma-informed support to vulnerable Jewish youth facing homelessness, abuse, or family estrangement. Through this collaboration they are establishing Orly House, a safe haven for children and teenagers at crisis points. Dassi Erlich (Author and justice campaigner)
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Making sense of emergency warnings It doesn't matter where you live in Australia, you should understand what an emergency warning looks like, and what you should do if one is issued for your area.
