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"In the mangrove killifish, selfing is an adaptation," lead author Ola Svensson explained to Discovery News.
"It is believed that it can be hard for them to find a mate, and selfing is better than not producing at all." Svensson, a researcher from the University of Gothenburg's Department of Biological and Environmental Sciences, and colleagues had previously crossed two different species of cichlids to produce what they thought was a normal, albeit hybrid, female fish.
But we couldn’t have imagined that we’d become so directly involved in a life or death operation to save a baby elephant’s life.This May, JR East introduced a remarkable train: ‘Train Suite Shiki-Shima’.From BBC Wildlife Magazine For the new BBC1 series ‘The Secret Life of Elephants’ we’ve revealed the elephant’s hidden world - the depth of their emotions, their remarkable intelligence, and the intimate complexities of their family life.Nevertheless, the progeny suffered from what the researchers called "inbreeding depression," showing minimal genetic diversity evident among them.Aurora Expeditions have always been regarded as pioneers of travel in the polar regions.They have that fire in their bellies, and it matches mine, but because of my background, I just don't feel that strong connection they do." The remarkably youthful-looking Bonnin, who turns 40 later this year, has been in the public eye for most of the second half of her life.