Tag Archives: cousins

Discovery of Giant Wasp Opens Window to Ancient Forests

… centimeters) long, is its name – Ypresiosirex orthosemos Most hikers would be fairly alarmed to come across a giant wasp, but the ancient species is only slightly larger than its modern cousins according to Archibald. Today’s horntail wood-wasp is considered a significant pest in forests, the young wasps tunnel through tress causing a fungus to grow which they then eat. The fungus produces poisons, while the wasp emits a secretion which weakens the immune system of the tree. This combination …

Extinction threat is our fault — and our responsibility to fix | Irish Examiner

By Derek Tittensor | March 30, 2015 Sharks, rays, and many other components of marine biodiversity are struggling to withstand human pressures, writes Derek Tittensor Sharks and their cousins, the rays, pre-date the dinosaurs. They survived the catastrophic mass extinction that finished off Tyrannosaurus Rex and all the rest, as well as the Permian-Triassic extinction that wiped out around 96% of marine species. Even the more recently evolved shark lineages, such as the hammerheads, have been …

A new species of tapaculo in South America

… analyzing the birds’ appearance and calls. The newly-named Perijá Tapaculo is a small bird with a buffy belly, gray back, and brown nape, and its song and calls are distinctly different from those of other tapaculos. Its high level of genetic divergence from its closest relatives suggests that that its high mountain habitat has isolated it from its cousins for a significant amount of time. “While it was known that two species occurred in the Perijá mountains, it was a distinct …

Missing link in the form of a molar pegs hippos as evolutionary cousins to whales – The Washington Post

… “But for the hippo, we only knew what was going on in the past 20 million years. Earlier than that, we couldn’t recognize anything as a hippo.” To finish reading this article, click on this link: via Missing link in the form of a molar pegs hippos as evolutionary cousins to whales – The Washington Post. …

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