Protecting Australia's Most Charismatic Murder-Bird |
 | | A southern cassowary on a beach in Moresby Range, Queensland, Australia.Konrad Wothe/imageBROKER, via Shutterstock |
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| The Australia Letter is a weekly newsletter from our Australia bureau. This week's issue is written by Natasha Frost, a reporter with the Australia bureau. |
Meet an Australian supermodel for the ages: six feet tall with a sculptured visage, endless legs and piercing orange eyes. |
"They're the glamour animal for the rainforest, here in North Queensland," said Justin McMahon, a land manager for Rainforest Rescue, an environmental nonprofit that protects and restores the Australian rainforest. |
But the southern cassowary, a secretive, emu-like bird famed for its killer kick and razor-sharp, throat-slitting talons on each foot, isn't just a pretty face. |
As the draft of a government recovery plan for the species released this week describes, the birds are what is known as a "keystone species," indicating that they play an important role in the ecosystem. |
From an environmental perspective, perhaps their most important characteristic is their role as seed dispersers. Cassowaries use their wide gape to gulp down whole fruits at once, and their powerful legs to transport those seeds (safe within their bellies) far and wide. And, weighing in at 130 pounds, they have impressive appetites, allowing them to consume large quantities of fruit, as well as anything else they can scrounge. |
(They also have a softer side: Cassowary males make doting dads, sitting on the clutch of eggs for almost two months, then taking the primary parental role for the first nine months of their chicks' lives.) |
Southern cassowary populations have been observed to be declining for almost 80 years, and the species was officially listed as endangered in 2000. |
At the time of that listing, the birds were particularly at risk from their habitat being cleared. A quarter-century later, they face other threats: road traffic; dogs and dingoes; "habitat fragmentation," where their natural rainforest is broken up and they cannot easily move between areas; and climate change. |
It's hard to ascertain quite how threatened they are, or even how many there are, though estimates run from about 4,000 to 10,000 across northwest Queensland, the only part of the country that they live in, Mr. McMahon said. "No one will ever know a good number, unfortunately." |
That's because the southern cassowary, for all its fearsome reputation, is powerfully shy, and remarkably good at making itself scarce. Despite standing six feet tall, the birds have been known to stand within spitting distance from tourists without being spotted — in part because they are so accomplished at keeping very still. |
Mr. McMahon describes them as being more "emo" than "emu." "They live in their dark abyss of the rainforest, and they don't like being looked at the wrong way or talked about the wrong way," he said. |
Attempts to track them with geolocation trackers tend to fail — they will simply peck off anything attached to their body — and their solitary ways can make their behaviors hard to study. |
But it is clear that human beings are taking their toll on the animals. As the number of cars in the region has risen, in part the product of more self-driving tourism, some birds have been the victims of hit-and-runs. |
Climate change has also had an effect — higher temperatures can lead to springs and puddles drying up, creating stress for the chicks. |
In warmer years, the animals' breeding seasons are longer, allowing "homewrecker" females the opportunity to lure single dads away from their brood and onto a new clutch of eggs. The chicks, stranded and orphaned, sometimes approach humans as substitute parents. |
Now for the week's stories. |
 | | The Very Large Array on the Plains of San Agustin, N.M., one of three radio telescopes that worked with a global consortium to detect the timing of pulsars.NRAO/AUI/NSF |
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 | | Guam seen from above.Noriko Hayashi for The New York Times |
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