Latest articles by Robert Katz

fossils
almost 5 years ago by Robert Katz

Australia’s demon duck of doom

If an island is large enough and isolated from land-based predators for enough time, one thing invariably happens: giant birds evolve.
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fossils
about 5 years ago by Robert Katz

The mixed-up eggs of Australia’s mega-birds

Eggs thought to belong to the giant bird Genyornis were likely laid by a much smaller extinct bird from another branch of the family tree.
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fossils
almost 6 years ago by Robert Katz

The crocodilian rulers of pre-Amazonian Peru

Seven crocodile species found in single 13-million-year-old bone bed reveal the diversity of Peru before the formation of the Amazon.
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fossils
about 6 years ago by Robert Katz

New Zealand’s 25 million year old “Dawn Whales”

Twenty-five million year old rocks in New Zealand have yielded two species of archaic baleen whale. These whales, both members of the genus Tohoraata, retained teeth at the tips of their jaws in addition to baleen.
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Robert
Katz

Guest Writer