Speeding up Aussie evolution, according articles in Nature News 23 July 2018 and Conservation Biology, published online 13 June 2018, doi: 10.1111/cobi.13149. Ecologists are hoping the save the northern quoll from extinction by trying to “speed up evolution”. The northern quoll is a small carnivorous marsupial, about the size of a squirrel, that lives in […]
Moth tails baffle bats, claim scientists in reports in Science (AAAS) News, Science Daily 4 July 2018 and Science Advances 4 July 2018 doi: 10.1126/sciadv.aar7428. Moth wings vary a lot in their shape. Some moths have rounded wings and others have elongated tails on their back wings. As moths are preyed on by bats a […]
Snowshoe hares go brown in Science (AAAS) News and ScienceDaily 21 June 2018 and Science, 22 June 2018, doi: 10.1126/science.aar5273. Snowshoe hares (Lepus americanus) that live in regions with snowy winters change the colour of their fur from brown to white at the beginning of winter, and back to brown during the summer. The change […]
“Bird brain” revision needed according to an article in Outside JEB 9 May 2018 doi:10.1242/jeb.170001 and Current Biology doi:10.1016/j.cub.2018.01.036, 5 March 2018. Birds have small brains without a cerebral cortex, the folded multilayered outer region of mammal brains that supposedly makes mammals smarter than other creatures. Thus, the epithet “bird-brain” is used to insult someone’s […]
Why don’t whales get the bends, ask scientists in articles in ScienceDaily 25 April 2018 and Proceedings of the Royal Society B 25 April 2018 doi: 10.1098/rspb.2018.0482. Ever since decompression sickness was known about in human divers scientists have been intrigued as to why diving animals such as whales, dolphins and sea turtles seem to […]
Giant burrowing bat fossil found, as reported in ScienceDaily 10 January 2018, BBC News 11 January 2018 and Scientific Reports, doi: 10.1038/s41598-017-18403-w. An international team of scientists has found teeth and bones of an extinct burrowing bat in rock layers in Central Otago region in New Zealand. Burrowing bats can fly, but also forage for […]
Mammals emerge into daylight after dinosaur extinction, according to ScienceDaily and New Scientist 6 November 2017 and Nature Ecology & Evolution, 2017; doi: 10.1038/s41559-017-0366-5, published online 6 November 2017. According to an evolutionary theory, known as the “nocturnal bottleneck hypothesis”, mammals evolved from a small nocturnal common ancestor who hid during the daylight hours to […]
Jurassic glider found, according to reports in Science (AAAS) News and ScienceDaily 9 August 2017. Scientists in China have found two fossils of gliding mammals, similar to living flying squirrels and gliding possums. Both fossils are exquisitely preserved showing the folds of skin between the body and limbs that could be extended for gliding flight. […]
Wolf sized otter found, according to articles in ScienceDaily 23 January 2017 and ABC News and BBC News 24 January 2017. An international team of scientists in the USA, France, and China have studied the fossil of a giant extinct otter named Siamogale melilutra. It was found in Yunnan Province, Southwestern China, and is dated […]
White tiger gene found, according to reports in ScienceNOW, BBC News, ScienceDaily and Current Biology doi: 10.1016/j.cub.2013.04.054 23 May 2013. White Bengal tigers have white fur with black stripes, rather than the normal orange fur with black stripes. Although they have been found in the wild in the past, they now only seem to exist […]