Tag Archives: covid

Polly Want A City? Population Boom Sparks Call For Cull Of London’s Invasive Parakeets

When someone imagines London, they probably visualise Big Ben, Buckingham palace, and an overly patriotic use of the Union Jack. What they probably don’t picture is flocks of bright green parrots occupying every tree branch and streetlamp in view. However, urban populations of invasive parrot species are becoming more readily observed globally, and in London, there are fears the population may be growing too fast!

Earlier this year, the UK saw headlines announcing that the government has been advised to cull the iconic birds following a recent increase in numbers. But with their bright colours making them a unique addition to the fauna of the city, and their nonchalant nature towards locals and tourists, many are opposed to the cull. So what is the right thing to do when we get attached to an invasive species? And are parrots on their way to becoming the next globally distributed ‘pest’?

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From Deforestation to the Pandemic: How Destroying Ecosystems Increases Novel Infectious Diseases

This is a guest post by Professor Emma Despland

Zoonotic diseases, or diseases that jump from animals to people, are not a new phenomenon.  Many well-known human diseases first originated in animal populations. In some cases, animals are the main sources of human infection and human-to-human transmission is rare or null (e.g. rabies); other diseases persist in animal populations and occasionally jump to humans, seeding a human outbreak (e.g. plague), and yet others jumped from animals to people long ago and have been circulating in human populations ever since (e.g. measles).  However, novel zoonotics have been appearing with disturbingly increasing frequency.  

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