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Scientists discover why gulls always prey on people's food
Scientists discover why gulls always prey on people's food
Anyone who has braved a stroll along England's coastline will be aware of seagulls' tyrannical regime. They prey on people eating chips, they swoop down on unsuspecting holidaymakers licking an ice cream, and they can be quite aggressive indeed. And now, terrifying research has revealed that they are more calculating than you may have previously thought. A University of Sussex study on herring gulls at Brighton beach found that the birds choose what to eat by watching what humans are enjoying. Scientists taped green (salt and vinegar) and blue (cheese and onion) packets of Walkers crisps to tiles and placed them a few metres from gulls on Brighton beach and filmed the birds’ behaviour from a distance. In some cases, the researchers ate from one of the bags of crisps. When the scientists didn't eat, less than a fifth of gulls approached the crisp packets placed nearby. But when the researchers were snacking on crisps, 48 per cent of the birds came to check out the packets. Nearly 40 per cent of such approaches ended with gulls pecking at the crisp packets, and of these, 95 per cent were directed at the same colour packet as the scientist was eating from. Sign up to our free Indy100 weekly newsletter “We’ve shown that adult gulls are able to pay attention to the behaviour of humans and apply that to their own foraging choices,” said Franziska Feist, a biologist and first author on the study. “Given that the urbanisation of gulls is very recent, this ability must come from the gulls’ general smartness and behavioural flexibility.” “It is likely that simply deterring the public from directly feeding gulls may not be enough,” Feist said. “They are still able to observe what we eat and that would inform their ability to target waste, litter and so on.” Dr Madeleine Goumas, an expert on herring gulls at Exeter University who was not involved in the study, said: “We already know from previous research that gulls use information from people when they’re searching for food. “This study shows that we aren’t only drawing gulls’ attention to where food is, but they also learn about the type of food we’re eating. Knowing this may have implications for how we reduce negative interactions between humans and gulls, as we seem to be inadvertently teaching gulls to exploit new food items.” Meanwhile, past alarming research revealed that gulls prefer food that has been touched by people. Overall, it's giving Alfred Hitchcock's The Birds. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-05-24 22:19
Apple's iPhone 15 launch preview: Everything you need to know
Apple's iPhone 15 launch preview: Everything you need to know
Yes, we're already at number 15. In a few weeks, as it typically happens in
2023-08-30 17:27
Scientists have worked out the most common days of the week for heart attacks
Scientists have worked out the most common days of the week for heart attacks
Research has been revealed that shows which day of the week heart attacks are most likely to take place. According to a new study, the most severe types of heart attacks are more common on Mondays than any other day. STEMI attacks are the most severe forms of attacks, which are caused by a blockage of the coronary artery and see an interruption to the blood supply. A total of 10,528 patients were analysed as part of new research, with the study focusing hospital cases in Ireland and Northern Ireland between 2013 and 2018. Sign up to our free Indy100 weekly newsletter The findings were presented at the British Cardiovascular Society (BCS) conference in Manchester. The data shows that the risk of an STEMI-type heart attack were 13 per cent greater on a Monday compared to the average of other days. Cardiologist Jack Laffan from the Belfast Health and Social Care Trust said at the conference: "We've found a strong statistical correlation between the start of the working week and the incidence of STEMI. This has been described before but remains a curiosity." Laffan also considers it likely that the natural cycle of weeks, months and seasons has on our health. He said: "Based on what we know from previous studies, it is reasonable to presume a circadian element". Nilesh Samani, medical director at the British Heart Foundation, added: "This study adds to evidence around the timing of particularly serious heart attacks, but we now need to unpick what it is about certain days of the week that makes them more likely. "Doing so could help doctors better understand this deadly condition so we can save more lives in future." It comes after a woman revealed how when she was a teenager she mistook a heart attack for butterflies, after dancing with a boy for the first time. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-06-18 14:23
Temasek, Morgan Stanley Join $300 Million Australian Fund
Temasek, Morgan Stanley Join $300 Million Australian Fund
Main Sequence, the venture capital firm founded by Australia’s national science agency, raised A$450 million ($305 million) from
2023-07-26 15:58
TikTok: What are hidden codes and how to use secret emojis?
TikTok: What are hidden codes and how to use secret emojis?
Welcome to the world of TikTok's hidden codes that unlock some really cool - but secret - emojis
2023-05-17 19:24
K7 Total Security Review
K7 Total Security Review
So, you’ve got all your PCs secured with a powerful antivirus. That’s great, but you
2023-06-23 04:26
Companies Get Renewed Pressure to Disclose Nature-Related Risks
Companies Get Renewed Pressure to Disclose Nature-Related Risks
Executives from companies, banks and asset managers published guidelines aimed at helping businesses disclose the risks they face
2023-09-19 06:47
FC 24 Hero Upgrade Evolution: Best Players to Select, How to Complete
FC 24 Hero Upgrade Evolution: Best Players to Select, How to Complete
FC 24 Hero Upgrade Evolution details including how to complete the program, the best Heroes to put into the Evolution path and when it expires in Ultimate Team.
2023-11-27 02:22
Biden surveys storm damage in Florida, without DeSantis
Biden surveys storm damage in Florida, without DeSantis
By Jeff Mason LIVE OAK, Florida (Reuters) -President Joe Biden traveled to Florida on Saturday to survey the destruction from
2023-09-03 21:46
Explainer-How could solid-state batteries improve next-gen EVs?
Explainer-How could solid-state batteries improve next-gen EVs?
TOKYO/SINGAPORE Toyota Motor has said it is moving toward production of solid-state batteries for the next generation of
2023-06-13 14:55
Chinese tech giant Alibaba names next CEO
Chinese tech giant Alibaba names next CEO
Chinese tech giant Alibaba said Tuesday it will replace its top boss in a surprise move at the e-commerce titan as it looks to recover from years of slow growth caused weak...
2023-06-20 13:53
Thales Recognised as an Overall, Innovation and Market Leader in KuppingerCole Analysts Leadership Compass for Access Management
Thales Recognised as an Overall, Innovation and Market Leader in KuppingerCole Analysts Leadership Compass for Access Management
MEUDON, France--(BUSINESS WIRE)--Aug 30, 2023--
2023-08-30 16:56