by johnnymarin | Sep 17, 2018 | Animal Deterrent Products
Australian readers – and enthusiastic bird-watchers who have visited Australia – may well be familiar with the crested pigeon (Ocyphaps lophotes), an attractive little bird common across the southern half of the continent.
There are two things distinctive about the species. The first, not surprisingly, is the prominent crest on its head. The second is the loud, high-pitched, repetitive whistling sound it makes when it flies.
Ornithologists have long been perplexed about the origin of the noise, which is audible from a considerable distance away, because it is does not emanate from the bird’s beak.
Now however, a trio of researchers from the Australian National University in Canberra have solved the mystery. The noise is produced by a highly modified wing feather.
In a paper published in the journal Current Biology, Trevor Murray, Jochen Zeil and Robert Magrath reveal that the crested pigeon has a very unusual eighth primary wing feather which produces high note when the bird starts to fly.
The researchers acknowledge that noise-making feathers are not uncommon among the world’s bird species, and some research estimates they evolved independently more that 70 times.
However, Murray and his colleagues are the first team to demonstrate that the adaptation, in crested pigeons at least, is specifically a means of non-verbal communication.
The pigeons use the noise produced by the modified feather as an alarm signal, warning other birds of the presence of predators. The sound changes in accordance with wing beat frequency, increasing in pitch as the flight urgency develops.
To make their finding, the team recorded the sound made by the oscillating eighth primary feather – a tone at 2.9 kilohertz – and played it back to birds in conditions where no other possible danger cues were present. When the sound was made, the crested pigeons all took flight.
A control experiment using noises produced by the seventh and ninth flight feathers did not produce the same results.
Murray and his colleagues note that non-verbal noise by birds was mentioned by Charles Darwin in his book on sexual selection. He called it “instrumental music” but made no suggestion about its possible purpose.
“Our results therefore indicate, nearly 150 years after Darwin’s book,” they write, “that modified feathers can be used for non-vocal communication, and they reveal an intrinsically reliable alarm signal.”
About Pigeon Patrol:
Pigeon Patrol Products & Services is the leading manufacturer and distributor of bird deterrent (control) products in Canada. Pigeon Patrol products have solved pest bird problems in industrial, commercial, and residential settings since 2000, by using safe and humane bird deterrents with only bird and animal friendly solutions. At Pigeon Patrol, we manufacture and offer a variety of bird deterrents, ranging from Ultra-flex Bird Spikes with UV protection, Bird Netting, 4-S Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products four years in a row.
Contact Info: 1- 877– 4– NO-BIRD (www.pigeonpatrol.ca)
by johnnymarin | Sep 16, 2018 | Pigeons in the News
If you’d looked to the skies in Oxford, UK, during the summer of 2016 you could have been forgiven for thinking you had spotted the world’s first bionic pigeons.
The birds in question would have been members of a very special cohort trained to wear custom-designed head sensors to track how they navigated using eye movements. The results are now revealed in a study published in the Journal of Experimental Biology.
Because pigeons’ eyes are fixed, they monitor their surroundings mainly by moving their head, according to lead researcher Fumihiro Kano from Kyoto University in Japan. Indeed, 90% of pigeon gazes are accompanied by head movements.
This means that head movement can be used as a proxy for where they are looking, and hence provide clues to their behaviour.
“Eyes are the window to the mind,” Kano says, explaining that gaze tells us a lot about how animals behave and think about the world.
For many years, he has been studying emotion and cognition in great apes (including bonobos, chimpanzees, orangutans and gorillas), Japanese monkeys, human infants, children and adults.
In 2016, he and colleagues published a study showing that apes understand when beliefs are false.
For his latest project, he thought it would be interesting to record gaze in free-moving animals, teaming up with primate biologist Dora Biro from the University of Oxford, UK, to do so.
Homing pigeons (Columba liviai) were ideal species to test in motion because they tolerate wearing custom-made masks and sensors on their head and fly back to the home loft so the data can be retrieved.
It took Kano three months to develop the special mask. Every day he rummaged through a local craft store, experimenting with different materials to create something that fitted to the pigeon’s head as stably and comfortably as possible.
The result was a device hand-made with cloths, wires and elastic bands, which he stitched and soldered together himself.
“The most important thing was to design the mask so that it did not interfere with the bird’s breathing when flying,” he explains.
The pigeons were habituated to the head units, which were continually modified until they were comfortable and the researchers were satisfied the birds could walk, take off, and fly normally while wearing them.
The masks bore an inertial measurement unit to track the bird’s head movements using a gyroscope, accelerometer and magnetometer. The pigeons also wore tiny backpacks containing a state-of-the-art GPS tracker, microcomputer and battery.
Altogether, 22 birds were released from a novel site for 172 solo flights, followed by 172 paired flights and 44 repeated solo flights.
The team was delighted with the outcome. Kano says the birds’ heads were extremely stable during the flights, and the data showed every detail of their movements as well as the GPS recording of the return path.
During solo flights, the pigeons undertook detailed scanning of the landscape, moving their heads “far more than necessary for manoeuvring flight,” says Kano.
When they approached landmarks such as a main road and railway line – linear structures that pigeons tend to use for constructing routes – they reduced their head movements, suggesting “that they indeed ‘see’ them to navigate.”
When they were flown in pairs, they reduced their head movements, “indicating that the flock-mate is a key visual cue that they need to pay attention to,” Kano says.
He suggests the method could be applied to understanding how pigeons use attention in the natural environment, and even to develop bio-inspired drones. Next, the team is keen to add a tiny camera into the sensor to get a bird’s eye vista of the world.
About Pigeon Patrol:
Pigeon Patrol Products & Services is the leading manufacturer and distributor of bird deterrent (control) products in Canada. Pigeon Patrol products have solved pest bird problems in industrial, commercial, and residential settings since 2000, by using safe and humane bird deterrents with only bird and animal friendly solutions. At Pigeon Patrol, we manufacture and offer a variety of bird deterrents, ranging from Ultra-flex Bird Spikes with UV protection, Bird Netting, 4-S Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products four years in a row.
Contact Info: 1- 877– 4– NO-BIRD (www.pigeonpatrol.ca)
by johnnymarin | Sep 15, 2018 | Pigeon Patrol's Services
Kolkata: A youth has been lynched in Kolkata for allegedly stealing a flock of pigeons. Police have so far arrested four accused but the rest are still at large.
The lynching took place near the railway tracks at Kankurgachi on Wednesday (5 August) morning and the youth Rana Das alias Chotka (26) was declared dead at NRS Medical College and Hospital at Seladah.
According to his elder brother Rabi Das, a gang of youths from their Narkeldanga neighbourhood accused his brother of stealing pigeons from a household in the locality. As compensation for this, they demanded Rana to pay Rs 15,000.
But with Rana expressing inability to pay such a hefty sum, the youths dragged him to a spot near the railway tracks at Kankurgachi and tied him with iron chains to a pole. They then started hitting him with iron roads.
Rana soon succumbed to the torture. Hearing about him being beaten up, family members and relatives rushed to the spot and rushed him to NRS Medical College. Doctors declared Rana brought dead.
The bereaved family then lodged an FIR at Narkeldanga police station naming 12 youths. But with police making no arrests till this morning, people of the locality blocked the Maniktala Main Road for about an hour.
The public outrage eventually made police swung into action and arrest four suspects ~ Rakesh, Amit, Chinu, and David. A manhunt is on for the remaining accused.
Police said that all the suspects are associated with crimes in and around Narkeldanga-Kankurgachi area. A few of them had been arrested in other cases in the past.
About Pigeon Patrol:
Pigeon Patrol Products & Services is the leading manufacturer and distributor of bird deterrent (control) products in Canada. Pigeon Patrol products have solved pest bird problems in industrial, commercial, and residential settings since 2000, by using safe and humane bird deterrents with only bird and animal friendly solutions. At Pigeon Patrol, we manufacture and offer a variety of bird deterrents, ranging from Ultra-flex Bird Spikes with UV protection, Bird Netting, 4-S Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products four years in a row.
Contact Info: 1- 877– 4– NO-BIRD (www.pigeonpatrol.ca)
by johnnymarin | Sep 14, 2018 | Pigeons in the News
Los Angeles – What: Forever 21 has reportedly hired a contractor who has been trapping pigeons at its Los Angeles headquarters, prompting PETA supporters to plan to descend on the building on Friday to urge the retailer to stop trapping the birds immediately and instead take steps to make the area unappealing to them.
When: Friday, September 7, 2 p.m.
Where: Forever 21 Headquarters, 3880 N. Mission Rd. (at the intersection of N. Mission Road and Baldwin Street), Los Angeles
The pigeon problem appears to be related to a food truck that visits the company’s parking lot. PETA has attempted to work with Forever 21, offering myriad suggestions for peacefully coexisting with the birds and discouraging their presence, including simple measures such as keeping trash contained and secured and dumpsters locked, as well as barring workers and patrons from feeding the birds—but so far, it has refused to take these steps. Trapping initiatives actually backfire, because the resultant spike in the food supply accelerates breeding among survivors and inevitable newcomers, and populations then increase.
PETA—whose motto reads, in part, that “animals are not ours to abuse in any way”—points out that trapping initiatives cause animals immense suffering, as they can quickly succumb to stress, exposure, or injuries sustained in frantic attempts to escape.
“Forever 21’s decision to trap pigeons who are simply trying to eke out an existence is cruel, and such initiatives can tear wild families apart, leaving orphaned young to starve,” says PETA Executive Vice President Tracy Reiman. “PETA is calling on the retailer to nix this methodically cruel trapping and put into motion humane coexistence measures instead.”
About Pigeon Patrol:
Pigeon Patrol Products & Services is the leading manufacturer and distributor of bird deterrent (control) products in Canada. Pigeon Patrol products have solved pest bird problems in industrial, commercial, and residential settings since 2000, by using safe and humane bird deterrents with only bird and animal friendly solutions. At Pigeon Patrol, we manufacture and offer a variety of bird deterrents, ranging from Ultra-flex Bird Spikes with UV protection, Bird Netting, 4-S Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products four years in a row.
Contact Info: 1- 877– 4– NO-BIRD (www.pigeonpatrol.ca)
by johnnymarin | Sep 13, 2018 | Bird Deterrent Products
The Hyatt hotel chain has pulled all affiliation with a downtown Edmonton hotel that was ordered by Alberta Health Services to clean up leaks and venting issues tied to pigeon feces.
The company confirmed Thursday that as of Sept. 4, the Hyatt Place Hotel – located on Jasper Avenue and 95 Street – was “no longer a Hyatt-branded or a Hyatt-affiliated property.”
The luxury hotel chain did not say why the branding was pulled or whether the move was linked to the health order issued by AHS last month.
An inspection done in late August found nine HVAC units on the roof were pulling in fresh air from an area contaminated with pigeons and pigeon feces.
The inspection also found the heating and ventilation system in the hotel was not in good working order. Issues included broken fans in the laundry room and carbon monoxide detectors in the parkade that were not calibrated.
Other issues pointed out during the inspection included extensive water staining on the ceiling tiles, light fixtures and walls throughout the lower level hallways.
In its statement Thursday, Hyatt Hotels said it is in the process of reaching out to guests with upcoming reservations. Guests with questions can contact Hyatt’s Global Reservations Center at 1-888-848-9496.
The hotel in Edmonton’s Quarters district was designed by local architect Gene Dub at a cost of $60 million. The 13-storey hotel has 258 rooms and 11,000 square feet of commercial space on the ground floor.
The hotel began operating in October 2016 and during the official grand opening in January 2017, was dubbed a significant milestone in the redevelopment of The Quarters.
“We wanted to create something very beautiful,” Prem Singhmar, owner of Hyatt Place Edmonton/Downtown, said at the time. “We wanted it to reflect the vision for the future of downtown and the Quarters.”
Area Councillor Scott McKeen said he didn’t know why the decision was made or what the impact on the area might be. Generally speaking, though, he said there hasn’t been enough progress in The Quarters for his liking.
“I think the area has a ton of potential but I think developers have been a little skittish because it was close to areas of the city where there was social disorder and homelessness,” he said.
The Hyatt Place was the first new hotel to open in the city’s core since 1978.
About Pigeon Patrol:
Pigeon Patrol Products & Services is the leading manufacturer and distributor of bird deterrent (control) products in Canada. Pigeon Patrol products have solved pest bird problems in industrial, commercial, and residential settings since 2000, by using safe and humane bird deterrents with only bird and animal friendly solutions. At Pigeon Patrol, we manufacture and offer a variety of bird deterrents, ranging from Ultra-flex Bird Spikes with UV protection, Bird Netting, 4-S Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products four years in a row.
Contact Info: 1- 877– 4– NO-BIRD (www.pigeonpatrol.ca)
