Extinction – Page 2 – TINA CHIARELLI, PHD, FRGS

The Year of the Dragon

February 20th, 2012tinalc0 Comments

The dragon is both revered and feared in many cultures around the world. This year the Chinese will celebrate the upcoming new year as the Year of the Dragon. A symbol of strength and royalty, you can find interpretations of these mythical beasts adorning clothing, wall tapestries, statues, and even etched into flesh. But what do we know about our last remaining dragon, the Komodo dragon, which still walks the earth? What is being done to conserve this magnificent creature and its habitat to ensure that it too remains immortalized? Weighing in at up to 100 kg (220 lbs) and …

Devil Facial Tumor Disease

January 27th, 2012tinalc0 Comments

In honor of Australia Day I thought it would be fitting to write about one of their most beloved species, the Tasmanian devil. Immortalized as the spinning, incoherent cartoon character, the survival of the real Tasmanian devil is in peril. A communicative disease called Devil Facial Tumor Disease (DFTD) is decimating the devil population of Tasmania. As researchers race to understand the etiology behind DFTD the devils face an uncertain future. Devil Facial Tumor Disease was first documented in 1996 in northeastern Tasmanian. The disease is characterized by large, fast-growing cancerous tumors that are found around the face and inside …

Extinction: The Final Countdown

December 7th, 2011tinalc0 Comments

The word extinction has shown up several times in the news lately regarding the population status of some wildlife species. All too often we can identify species that have been deemed extinct, but we are not given an explanation of how this came to be. Historically, or I should say prehistorically, we know that a meteor striking the earth and an ice age contributed to the extinction of thousands of species. Note that these catastrophic events were natural disasters. However, what about the extinctions as of late? Internationally, we still experience natural disasters all the time, but what is their …