A native green and bronze wood pigeon with a taste for fermented fruit has been named the 2018 bird of the year in New Zealand.
The kererū is endemic to the country and can be found in both the North and South islands, living in cities as well as rural areas. Although quiet and reclusive by nature, kererū have earned a reputation as the drunkest bird in New Zealand, and been known to fall from trees after consuming rotting fruit left lying on the ground. During the summer when fruit is in abundance drunk kererū are sometimes taken to wildlife centres to sober up.
Described by conservation group Forest and Bird as “clumsy, drunk, gluttonous and glamorous,” the Kererū population is not endangered, but is vulnerable to attacks by predators such as feral cats and stoats, and also competes with possums for food.
Kererū play a vital role in dispersing the seeds of native New Zealand species such as karaka, miro, tawa and taraire across large areas, because they are one of the few birds large enough to swallow the fruit whole.
It was the clear leader in the poll, with 5,833 votes. The kākāpō came second with 3,772 and the Kakī or black stilt, an extremely rare bird that is raised by hand, coming third with 2,995 votes.
The kererū has been known to fall out of the occasional tree. Photograph: Ross Land/Getty Images
The competition, organised by Forest and Bird, is in its 14th year, and pits the country’s rare and endangered birds against one another. No bird has won twice, and this year saw the highest voter turnout on record, despite 2,000 votes being discarded after they were found to be fraudulent and originating from Australia.
More than 48,000 votes were cast this year, up from 41,000 in 2017.
Overseas celebrity endorsements from Stephen Fry for the kākāpō, and comedian Bill Bailey for the takahē upped the stakes in this year’s competition, with bird of the year also featuring on Tinder for the first time, with Shelly the kakī, or black stilt, attracting 500 matches across the country.
Although she voted for the black petrel (tāiko), prime minister Jacinda Ardern quickly offered the kererū her congratulations.
“The kererū is one of our most recognisable birds, it is often heard before it is seen,” Forest & Bird’s Megan Hubscher told Radio NZ. “It is one of our few birds that is doing OK. Only one in five of New Zealand’s native birds are increasing in number or stable, 80% are decreasing. But the kererū is doing pretty well.”
Hubscher said there were some regions of the country where kererū was not doing well – including Northland – and this was largely down to poor predator control.
However in other parts of the country where populations are thriving – such as the capital city of Wellington – road signs warn motorists to be careful because of flying kererū, which can cause serious damage because of their size and weight.
Kererū used to be hunted for their meat and feathers, but they are now protected and it is illegal to hunt them.
Some Māori tribes are given permission by the department of conservation to use the bones and feathers of kererū for cultural reasons, and reports ofthe birds being eaten for special occasions arise occasionally.
There are 168 bird species in New Zealand and about a third are threatened with extinction, with dozens more on the endangered list. Some species have dwindled to a few hundred individuals tucked away in isolated pockets of the country.
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Pigeon Patrol Products & Services is the leading manufacturer and distributor or 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 Bird Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products ten years in a row.
Contact us at 1 877-4-NO-BIRD,(604) 585-9279 or visit our website at www.pigeonpatrol.ca
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That pigeon in your neighborhood may not be your typical bird. Seattle Animal Control Officer Kevin Mack reports several “banded” pigeons found in the city recently.
“We’ve received at least two banded racing pigeons in the last couple weeks,” said Mack. “And I’ve had at least three sightings of banded birds that were moving through the city.
“These birds are essentially identical to local feral pigeons you see in the city, Rock Pigeons. But they really are domesticated birds and they usually have owners that want them back.”
People who race pigeons usually have a coop at their residence. They raise the birds, register them with their organization of choice, and then race them.
The race consists of driving the pigeon a pre-determined distance from their coop, setting them loose, and then seeing how long it takes them to return. Some pigeons are better at homing than others so sometimes they get lost on their way back. Other times they get injured or just plain tired.
The American Racing Pigeon Union is one of the most popular pigeon racing groups. You can tell the pigeons belong to someone who belongs to the group because they have bands on their legs with the letters “AU” on them. If you find an AU-banded pigeon
The site also has good information about how to read the information on the band and some links to other organizations for birds with other types of bands.
The pigeon that is being sheltered at the Seattle Animal Shelter is from Jeanerett, Louisiana because its band includes the local club code. “2022” is the bird’s hatch year and the long number found on the other side of the band is the bird’s unique identifier.
Pigeon Patrol Products & Services is the leading manufacturer and distributor or 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
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Voted Best Canadian wholesaler for Bird Deterrent products ten years in a row.
Contact us at 1 877-4-NO-BIRD,(604) 585-9279 or visit our website at www.pigeonpatrol.ca
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Researchers led by members of Oxford University’s Department of Biology have found rare colonies of the wild ancestors of common domestic and feral pigeons.
Already extinct in England and Wales, the wild Rock Dove (Columba livia) has been found on secluded Scottish and Irish islands, providing insights into how the domestic pigeon came to be.
“Feral” pigeons originate from escaped domestic birds and can be seen in towns and cities all over the world. These domestic pigeons are descended from wild Rock Doves, who nest in sea caves and mountainous areas.
Despite the success of feral pigeons, the Rock Dove has been declining throughout its global range—which once encompassed vast areas of Africa, Asia and Europe. University of Oxford DPhil student and lead author Will Smith says that “studying the decline of the Rock Dove has been challenging for researchers because of such extensive interbreeding and replacement with feral pigeons.”
Rock Doves now persist in only small, relict populations where feral pigeons have not yet been able to colonize. In fact, due to the interbreeding of feral pigeons and Rock Doves, and their resulting hybrids, many ornithologists believe that there are no truly wild Rock Doves left. However, there are potential colonies in certain places, including, in Europe, the Faroe Islands, parts of the Mediterranean and parts of Scotland and Ireland.
The researchers studied populations of birds thought to be Rock Doves in Scotland and Ireland by analyzing DNA to determine whether the birds were truly wild, and to estimate how much genetic influence from feral pigeons different wild populations had experienced.
Through a combination of expeditions and collaboration with British Trust for Ornithology bird ringers, the research team caught both feral pigeons and putative Rock Doves in places like North Uist (Uibhist a Tuath) in the Outer Hebrides, Orkney, and Cape Clear Island.
The team took feather samples from the birds for DNA analysis. By sequencing the pigeons’ DNA, they were able to show the differences between feral pigeons and Rock Doves, and also measure the degree of interbreeding between the two forms of the species.
The results confirmed that the Rock Doves of the UK and Ireland descended from the undomesticated lineage from which all feral and domestic pigeons originate, with varying degrees of interbreeding. Rock Doves in Orkney have experienced extensive interbreeding with feral pigeons and are at risk of getting hybridized to the point of their extinction as a distinct lineage. In contrast, Rock Doves in the Outer Hebrides remain almost free of feral pigeon influence.
“We identified feral pigeon ancestry in most of the Scottish and Irish Rock Dove populations we sampled, and there have been feral pigeons in Europe for hundreds of years. It was therefore really surprising to discover that the Outer Hebridean Rock Doves showed negligible signs of hybridization,” explained Will Smith.
However, feral pigeons have been reported on these islands with increasing frequency, so it might be that the distribution of wild Rock Doves in the UK continues to shrink as a result.
Recording their distribution and genetic status will help to monitor the remaining Rock Dove populations, and encourage efforts to understand potential relict populations elsewhere.
In the wider context of conservation, increasing understanding of “extinction by hybridization” will help efforts to prevent many other plants and animals, such as the Scottish wildcat, from undergoing the same fate as the Rock Dove.
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Many animals will sound an alarm to alert other members of their group of impending danger. Now, researchers reporting in Current Biology on November 9 have shown that crested pigeons do this in a surprisingly non-vocal way. One of their main flight feathers produces a critical high-pitched sound as the birds fly away. As they flap faster to escape a predator, that alarm signal automatically increases in tempo.
Importantly, the researchers also show that other crested pigeons flee when they hear that sound. The findings confirm that the sound is a bona fide signal, not just a side effect of flight.
“Crested pigeons signal danger with noisy wings, not voices,” says Trevor Murray of The Australian National University. “It shows that birds really can use their feathers as ‘musical instruments’ to communicate with others.”
Charles Darwin proposed the idea of non-vocal “instruments” in birds about 150 years ago, but it has been a difficult idea to test. Scientists had long known that crested pigeons make loud sounds when they fly. For that reason, they are sometimes called “whistle-winged pigeons.” The Australian National University lab led by Robert Magrath earlier found that other pigeons pay attention to those sounds.
To confirm that the whistling feathers were indeed an alarm signal, in this new study, the researchers shot high-speed video and conducted feather-removal experiments. These studies show that the birds’ unusually narrow eighth primary wing feather produces a distinct note with each downstroke. The sound also changes as birds flap faster, such that those fleeing danger produce wing sounds with a higher tempo.
In fact, the birds’ wings produce alternating high and low notes in flight. The researchers’ experiments showed that the eighth primary wing feather is responsible for the high notes. The low notes come from the ninth primary feather. But, playback experiments showed, only the high notes are critical for sounding an alarm.
When the researchers played flight sounds to other pigeons, individuals were much more likely to flee upon hearing the flight of a bird with an intact eighth primary feather. When they played the sound of a pigeon with that eighth feather removed, they often just looked around instead of taking off.
“We show that the crested pigeon produces an acoustic alarm signal with its wings and that it is an intrinsically reliable signal of danger,” Murray says. “The alarm signal is intrinsically reliable because pigeons flap faster to escape predators, and this fast flapping automatically produces the high-tempo alarm signal.”
Crested pigeons are not the only birds known to produce unusually loud sounds with their wings, the researchers note. Pigeons in general fly noisily. Hummingbirds and manikins are also well known for their wing sounds. They hope that future studies will explore the evolution of wing sounds in other bird species.
“Birds have such prominent voices, we have largely ignored their surprisingly complex instrumental sounds,” Magrath says.
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Voted Best Canadian wholesaler for Bird Deterrent products ten years in a row.
Contact us at 1 877-4-NO-BIRD,(604) 585-9279 or visit our website at www.pigeonpatrol.ca
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Two patients have died at a hospital after contracting a fungal infection linked to pigeon droppings.
The individuals are thought have caught the airborne disease at the Queen Elizabeth University hospital in Glasgow after inhaling the fungus cryptococcus, typically found in soil and pigeon droppings.
NHS Greater Glasgow and Clyde (NHSGGC), which runs the hospital, has launched an investigation into the outbreak. It said the likely source of the pigeon droppings was a non-public room, thought to contain machinery, which has now been cleaned.
NHSGGC said “control measures” had been introduced, which is understood to mean equipment to filter the air in some parts of the hospital, and that some patients, including children, who may be vulnerable to the disease have received medication, which was proving effective.
The health board said that the second patient who died was elderly and the death was due to an unrelated matter. It said it could not share further details of the case because of patient confidentiality.
Teresa Inkster, NHSGGC lead consultant for infection control, said: “Cryptococcus lives in the environment throughout the world. It rarely causes infection in humans. People can become infected with it after breathing in the microscopic fungi, although most people who are exposed to it never get sick from it.”
She said there had been no further cases since control measures were put in place. “We are continuing to monitor the air quality and these results are being analysed. It remains our priority to ensure a safe environment for patients and staff,” she added.
Portable air filters have been installed to help reassure “vulnerable patients”, NHSGGC said, adding that the organism is “harmless to the vast majority of people and rarely causes disease in humans”. A group of hospital patients are being moved within the hospital “due to their clinical diagnosis and ongoing treatment”.
Pigeon Patrol Products & Services is the leading manufacturer and distributor or 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 Bird Gel and the best Ultrasonic and audible sound devices on the market today.
Voted Best Canadian wholesaler for Bird Deterrent products ten years in a row.
Contact us at 1 877-4-NO-BIRD,(604) 585-9279 or visit our website at www.pigeonpatrol.ca
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