California condors have been dying of bird flu, with a recent outbreak killing 7 per cent of the endangered birds' wild population
Trent Townsend/Alamy
At least 20 California condors have died of avian flu in recent weeks, and wildlife officials are preparing for the virus’ spread among the critically endangered birds. The highly contagious that is killing North America’s biggest bird is the same strain that forced farmers to cull millions of chickens over the last year., which were pushed to the edge of extinction in the 1980s. Intensive breeding and habitat conservation efforts have since bolstered their numbers to around 500 birds, around 300 of which live in the wild. Clusters of the giant vultures can now be found from western Canada down to northern Mexico.
As of 17 April, the US Fish and Wildlife Service was rehabilitating four condors from the flock in the south-west US. They were “receiving supportive care and have shown improvement”, according to“My worry is that avian flu could spread throughout the regional condor groups as the disease becomes more prevalent in bird populations in general,” says
at the Center for Biological Diversity in Arizona. “Since there is no known vaccine or proven treatment, at a minimum it could set back California condor recovery for years and at the worst it could decimate the population.”A monthly celebration of the biodiversity of our planet’s animals, plants and other organisms.Avian flu has not been detected in neighbouring flocks in California or Mexico’s Baja California peninsula.
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