Harry is a U.K.-based staff writer at Live Science. He studied Marine Biology at the University of Exeter (Penryn campus) and after graduating started his own blog site 'Marine Madness,' which he continues to run with other ocean enthusiasts. He is also interested in evolution, climate change, robots, space exploration, environmental conservation and anything that's been fossilized. When not at work he can be found watching sci-fi films, playing old Pokemon games or running (probably slower than he'd like).
Residents in the suburbs of Sydney, Australia, are in the midst of an escalating feud with a neighboring population of wild sulphur-crested cockatoos over an unlikely prize: household trash. While this conflict may sound comical, researchers report that it shows all the signs of an"innovation arms race," in which two species become trapped in a cycle of behavioral changes as they continually try to one-up or outthink one another.
As a result of the parrots' persistence, residents have had to continually switch tactics or try out new methods to protect their bins. And just like the feathery interlopers, it seems that frustrated bin-owners have been looking to their neighbors for inspiration. Data collected from a survey revealed that countermeasures were clumped in certain regions at specific times, suggesting that people were copying the people next door — whether they realized it or not.
Image 1 of 3Image 1 of 3Image 1 of 3Image 1 of 3Study participants described more than 50 different ways in which they tried to protect their trash cans from the cockatoos, Klump said. These countermeasures ranged from simple solutions, such as weighing down the lid with bricks or water bottles, to more ingenious ideas, such as jamming a lid's hinge with sticks and old shoes or using a rubber snake to scare off the birds.
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