Animals
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Bulb

'Insect apocalypse' and light pollution: Is there a connection? New study says Yes

insects light
© Simone De Peak/Getty ImagesThousands of moths swarm around floodlights. Artificial light at night can affect every aspect of insects’ lives, the researchers said.
Light pollution is a significant but overlooked driver of the rapid decline of insect populations, according to the most comprehensive review of the scientific evidence to date.

Artificial light at night can affect every aspect of insects' lives, the researchers said, from luring moths to their deaths around bulbs, to spotlighting insect prey for rats and toads, to obscuring the mating signals of fireflies.

"We strongly believe artificial light at night - in combination with habitat loss, chemical pollution, invasive species, and climate change - is driving insect declines," the scientists concluded after assessing more than 150 studies. "We posit here that artificial light at night is another important - but often overlooked - bringer of the insect apocalypse."

However, unlike other drivers of decline, light pollution was relatively easy to prevent, the team said, by switching off unnecessary lights and using proper shades. "Doing so could greatly reduce insect losses immediately," they said.

Brett Seymoure, a behavioural ecologist at Washington University in St Louis and senior author of the review, said: "Artificial light at night is human-caused lighting - ranging from streetlights to gas flares from oil extraction. It can affect insects in pretty much every imaginable part of their lives."

Doberman

Video of man attacked by pack of dogs in Delhi, India

attack
A 50-year-old man walking towards his home after parking his car was attacked by a pack of dogs in the middle of the night in south Delhi's Lajpat Nagar on Saturday. The incident was caught on CCTV cameras installed in the locality.

The residents of the area staged a protest on Monday after CCTV footage of the incident was posted on WhatsApp group of the residents' welfare association (RWA).


Attention

Feral hogs kill woman in front yard of home in Chambers County, Texas

hogs
Authorities confirm an attack by wild hogs caused the death of a woman whose body was found in the front yard of an Anahuac home Sunday.

Chambers County Sheriff Brian Hawthorne said in a press conference Monday afternoon the Jefferson County medical examiner's office formally ruled the cause of death as "exsanguination due to feral hog assault.

"We had suspected that," said Hawthorne. "My detectives and the criminal investigation team felt like that's what it was, but it was not something that we could even come close to announcing until we had the cause of death from the medical examiner's office."

The Chambers County Sheriff's Office said the body was discovered in the 400 block of State Hwy 61.
The woman was identified as 59-year-old Christine Rollins of Liberty.

Authorities say Rollins was the caretaker of an elderly couple who lives in the home where her body was discovered.


Info

Movement rather than shape of wings determines flight

Flight Chamber
© Diana ChinGary goes through his paces in an instrumented flight chamber.
Humans can't fly, but we're determined to work out how others do.

Last month a Canadian team suggested that the way birds move their wings, rather than the shape of those wings, determines how they fly.

Now researchers from Stanford University, US, have watched five parrotlets in flight and discovered that - counterintuitive as it might sound - they used drag to help with their take-off and lift to assist with landing.

Conventional wisdom tells us that drag is a force that slows an object down and lift is a force that counters gravity. However, in this case drag supported up to half of the birds' (admittedly low) body weight at a crucial time, while lift helped with braking.

David Lentink and Diana Chin made the finding after encouraging Gaga, Gary, Oreo, Aurora and Boy to make repeated flights from perch to perch through an instrumented flight chamber developed specifically for the purpose.

It was only 80 centimetres long, but then the birds only weigh 30 grams - and a grain of millet was sufficient inducement for each trip.

To measure the horizontal and vertical forces instantaneously, Chin built a setup with sensor panels on the floor, ceiling, front and back of the birds' flight paths.

Binoculars

Unleash the horde! Watch thousands of deer block Siberian road during migration

Deer
Screen grab from a Yamal-Region TV video
Indigenous deer herders in Siberia caused a rare congestion on a road when they had thousands of their animals cross it for about 20 minutes. Amused drivers seized the chance to film the unexpected procession.

The footage, obtained by RT's Ruptly was taken by a local journalist, who was returning from a fishing trip. It shows a huge herd of deer running by as the reporter sits stuck in his car. So many animals were passing by that the clip had to be sped up considerably to show them all in under three minutes.

Cloud Lightning

Lightning bolt kills 17 cows, 2 sheep in Nigeria

The dead cows
The dead cows
No fewer than 17 cows and two sheep have been killed by lightening in Iba, in Ifelodun Local Government Area of Osun state.

The incident happened on Friday at Gaa Eleesun, a community mostly inhabited by Fulani herdsmen in Iba.

THISDAY yesterday gathered that the thunderstorm, which struck at around 6:00pm left some residents of the community hospitalised as a result of shock.

THISDAY further gathered that the incident has caused panic among residents of the community.

Some of the villagers said that the strange incident occurred when some Fulani herdsmen had already returned from pasturing.

Attention

Woman severely injured in deer attack in southern Nebraska

mule deer
Nebraska wildlife officials say a woman was attacked and severely injured by a deer in south-central Nebraska this week.

The Nebraska Game and Parks Commission says in a news release Friday that the woman was doing chores alone outside in an area near Guide Rock when she was attacked. She was discovered some time later and taken to a hospital about 130 miles away in Lincoln. Her name and medical condition were not released Friday.

The commission says a conservation officer later shot and killed the mule deer buck suspected in the attack. He said the animal showed no fear of him. The deer tested negative for rabies.

Officials say deer attacks on humans occur for a variety of reasons, including bucks becoming more aggressive during rutting season.

Source: AP

Hearts

Bottlenose dolphin observed with adopted whale calf for 2 years

dolphin adoption
DOLPHIN ADOPTION: A female bottlenose dolphin in the South Pacific has been sighted with both her own calf and another young cetacean identified as a melon-headed whale.Pamela Carzon, Marine Mammal Study Group of French Polynesia
From a small inflatable boat in the Rangiroa atoll in French Polynesia, Pamela Carzon got her first glimpse of the "strange" trio of marine mammals she'd been told about: a bottlenose dolphin mother (Tursiops truncatus), her seven-month-old calf, and another young cetacean that was slightly smaller and looked to be not a bottlenose dolphin at all, but a melon-headed whale (Peponocephala electra).

It was April 2015, and Carzon and a colleague at the Marine Mammal Study Group of French Polynesia, a nongovernmental organization dedicated to whale and dolphin conservation, were out for the NGO's annual photo-ID survey, very much hoping to find animals that a former collaborator had seen while diving in the region the previous November. "[T]he sea was very calm, and there were many dolphins around," Carzon, also a PhD student at the Center for Island Research and Environmental Observatory (CRIOBE) in French Polynesia and the École Pratique des Hautes Études in Paris, recalls in an email to The Scientist. "It took us maybe two minutes to spot them: the dark calf was easy to spot among the bottlenose dolphins."

Comment: See also:


Bug

Swarm of angry wasps kill 3 men in China, injure 5

Three killed and five injured after wasps attack a family
Three killed and five injured after wasps attack a family
Three men lost their lives and five more were injured after a family of eight was returning from a funeral and was attacked by a swarm of angry wasps in China. The members of the Pang family were returning from a cremation ceremony of a family member of November 17 when the tragic incident took place.

The two men who were attacked by the aggressive wasps were reported dead on the spot. One of the two men was a 70-year-old lost his life due to severe allergic reaction caused by the wasp stings. All the injured people were taken to the nearby local hospital, Xingye People's Hospital. The hospital authorities declared that two men of ages 60 and 87 died due to anaphylactic shock.



Comment: Deadly giant hornets kill 42 people in China, injure 1500


Doberman

Pregnant woman killed by hunting dogs in France

canine attack
© Angela Antunes / CC by 2.0
A pregnant woman was killed by dogs while walking her own dog in a forest in northern France during a hunt with hounds, investigators said Tuesday.

The body of Elisa Pilarski, 29, was found Saturday in a forest outside the town of Villers-Cotterets, about 90 kilometres (55 miles) northeast of Paris, the prosecutor's office in nearby Soissons said.

An autopsy showed that she had died of "bleeding after several dog bites to the upper and lower limbs and the head," prosecutor Frederic Trinh said.

Some of the bites were "post mortem", he added.