Zoos across North America are moving their birds indoors and away from people and wildlife as they try to protect them from the highly contagious and potentially deadly avian influenza.
It would be especially upsetting for zoos to have to kill any of the endangered or threatened species in their care.
Birds shed the virus through their droppings and nasal discharge. Experts say it can be spread through contaminated equipment, clothing, boots and vehicles carrying supplies. Research has shown that small birds that squeeze into zoo exhibits or buildings can also spread the flu, and that mice can even track it inside.
Most of the steps zoos are taking are designed to prevent contact between wild birds and zoo animals. In some places, officials are requiring employees to change into clean boots and don protective gear before entering bird areas. “They all agree that ordering us to depopulate a large part of our collection would be the absolute last-ditch effort. So they’re really interested in working with us to see what we can do to make sure that we’re not going to spread the disease while also being able to take care of our birds and not have to euthanize,” Woodhouse said.
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