Not all is rosy for the pink pigeon, study finds uniofeastanglia
led by scientists from the University of East Anglia , Durrell Institute of Conservation and Ecology at the University of Kent and the Earlham Institute in the UK, working with organizations on the ground in Mauritius, investigated the genetic impacts of a population"bottleneck"—a rapid collapse in numbers that affected the pink pigeon from Mauritius in the late 1980s, with only 12 birds surviving in the wild.
However, to keep these populations viable, the researchers warn that"genetic rescue" is needed to recover lost "By studying the genome of a recovered species that was once critically endangered, we can learn how to help other species to bounce back from a population collapse," said UEA's Prof Cock van Oosterhout, one of the lead authors.
Prof Jim Groombridge, from the University of Kent, explained how the initial recovery of the pink pigeon population was achieved:"A captive population of pink pigeons in the Gerald Durrell Endemic Wildlife Sanctuary in Mauritius, jointly managed by the Mauritian Wildlife Foundation and the National Parks and Conservation Service, was established in the 1970s.
Using pedigree and fitness data held at Jersey Zoo for over 1,000 birds, the team estimated the genetic load, which showed that the pink pigeon carried a high genetic load of 15 lethal equivalents. This was then used to calibrate the computer models.
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