We have an ibis problem. They moved from out west to Sydney's suburbs a few years ago because of the drought.
They're big and ugly and where they roost it turns white with evil smelling poop which kills vegetation.
In my suburb we have a colony of grey headed flying foxes and ibis have moved in and are destoying their habitat, causing temperatures to rise and flying foxes to die from heat stress.
We have an egg reduction program at the bat colony. The eggs are sprayed with canola oil which prevents them hatching.
When I was teaching and on excursion at the zoo an ibis swooped down and snatched the sandwich from a 5 year old's hand. Pretty scary cos they're big birds.
Laine
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