A cache of bizarre animal fossils unearthed in Australia includes killer kangaroos, marsupial lions, and a giant relative of a huge bird nicknamed the "demon duck of doom," scientists say.
Researchers from the University of New South Wales (UNSW) in Sydney say they found the remains of as many as 20 new species during a recent two-week dig in northeastern Queensland (map of Australia).
"There are weird, flesh-eating kangaroos," Michael Archer, science dean at UNSW, told Australian Broadcasting Corporation radio earlier this month.
"There are about 35 different kinds of extinct kangaroos in [Queensland] deposits. None of them would've looked like anything we would have recognized today, because they didn't hop," he said.
"These were galloping kangaroos with big powerful forelimbs. Some of them had long canines like wolves."
Henk Godthelp, a UNSW vertebrate paleontologist, says the new kangaroo discoveries include a saber-toothed species that may have used its large teeth for grooming or to attract mates.
"[The teeth] don't really look [like] anything used to rip intestines out of unsuspecting prey," he said.
The team also found more complete skeletons of a previously known carnivorous kangaroo, an early species with short, muscular arms.
"[It] looked like it would give you a very serious bear hug," Godthelp said, adding that 'roo may have used its arms to grab ambushed prey.
"[It] used to leap out from behind trees and scare the bejesus out of prey and then calmly chomp it to pieces."
"Demon Duck of Doom"
The UNSW paleontologists also found fossils of a larger relative of a giant bird previously dubbed the "demon duck of doom."
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