Pigeon Patrol

Pigeon droppings health risk – should you worry?

by Pigeon Patrol | Nov 1, 2021 | history of pigeons, MBCA, pet bird, Pigeon Control, Pigeon Droppings, Pigeon Patrol's Services, Pigeon Predators

An infection linked to pigeon droppings was a “contributing factor” in the death of a child at a Glasgow hospital, it has been confirmed.

The child was being treated at the Queen Elizabeth University Hospital when he or she appears to have caught the infection – a fungus called cryptococcus.

The child has not been named. The fungus did not contribute to the death in December of a second patient infected with the same pathogen, say experts.

What is it?

Cryptococcus is a yeast-like fungus that lives in the environment.

It can be found in soil contaminated by pigeon droppings.

How can you catch it?

People can become infected if they breathe it in.

The child who died in December at the hospital in Glasgow had been exposed to the fungus.

Experts say the probable source has been traced to a room on the rooftop of the hospital. Pigeon droppings appeared in the room via a small break in the wall which was “invisible to the naked eye”, Scottish Health Secretary Jeane Freeman confirmed.

The hospital says it has put infection control measures in place and no further cases have been reported.

How risky is it?

Most won’t get sick, but vulnerable people with already weakened immunity can get very ill with a chest infection or meningitis.

Expert Prof Hugh Pennington says it is very unusual to see cases in the UK.

“It is common in other parts of the world, particularly tropical parts, in the US and countries like that where they have more problems with this particular kind of fungus. But in the UK, very uncommon.

“There are cases in people who have problems with their immune systems. They’re the people who are at risk with this kind of bug.”

Cryptococcus infection cannot spread from person to person.

How dangerous is pigeon poo?

Breathing dust or water droplets containing contaminated bird droppings can lead to several diseases, including a flu-like illness called psittacosis.

Salmonella – a bacterial infection that can cause diarrhoea – may also be present in some bird droppings.

If you are cleaning up or come into contact with droppings, you should take precautions. Wash your hands and clean any exposed skin before eating, drinking or putting your hands near your mouth.

Likewise, if you are feeding or handling birds, wash your hands afterwards.

If you have a compromised immune system, including from HIV/AIDS or cancer, you should not clean up droppings.

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Homing Pigeons Get Their Bearings From Their Beaks

by Pigeon Patrol | Nov 1, 2021 | 4-S Gel Bird repellent, Animal Deterrent Products, Bird Deterrent Products, Bird Law, Bird Netting, Bird Spikes

It has long been recognized that birds possess the ability to use the Earth’s magnetic field for their navigation, although just how this is done has not yet been clarified. However, the discovery of iron-containing structures in the beaks of homing pigeons in a new study1 by Gerta Fleissner and her colleagues at the University of Frankfurt offers a promising insight into this complex topic. The article will be published online mid-March in Springer’s journal Naturwissenschaften.

In histological and physicochemical examinations in collaboration with HASYLAB, the synchrotron laboratories based in Hamburg, Germany, iron-containing subcellular particles of maghemite and magnetite were found in sensory dendrites² of the skin lining the upper beak of homing pigeons. This research project found that these dendrites are arranged in a complex three-dimensional pattern with different spatial orientation designed to analyze the three components of the magnetic field vector separately. They react to the Earth’s external magnetic field in a very sensitive and specific manner, thus acting as a three-axis magnetometer.

The study suggests that the birds sense the magnetic field independent of their motion and posture and thus can identify their geographical position.

The researchers further believe that this ability is not unique to homing pigeons as they expect that the ‘pigeon-type receptor system … might turn out to be a universal feature of all birds’. Equally, this concept might not only exclusively apply to birds, since it has been shown that many animals display behavior that is modified or controlled by the Earth’s magnetic field.

The meaning of these minute iron oxide crystals goes farther than their amazing ability to help pigeons home. Research into how they work has caught the interest of nanotechnologists concerning their potential application for accurate drug targeting and even as a data storage device. The main problem, however, lies in their synthetic production. According to Gerta Fleissner and her colleagues, “Even though birds have been producing these particles for millions of years, the main problem for scientists who want to find benefits from their use will be the technical production of these particles”.

1. Fleissner et al (2007). A novel concept of Fe-mineral-based magnetoreception: histological and physicochemical data from the upper beak of homing pigeons. Naturwissenschaften (DOI 10.1007/s00114-007-0236-0).

2. A dendrite is a branched extension a nerve cell (neuron)

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Two pigeon hobbyists sentenced in hawk killings

by Pigeon Patrol | Nov 1, 2021 | pet bird, Pigeon Control, Pigeon Droppings, Pigeon Patrol's Services, Pigeon Predators

Two Portland-area pigeon hobbyists pleaded guilty Thursday to trying to capture and kill protected hawks that bothered their expensive pigeons, but were sentenced to lighter penalties than federal prosecutors had asked for.

Citing public outrage over the crimes, prosecutors sought penalties of $10,000 each against Peter Kaufman and Ivan Hanchett. Each of the men pleaded guilty to one count of violating the federal Migratory Bird Protection Act. But U.S. District Judge Ancer Hagerty sentenced each to pay $4,000 — a $2,000 fine and another $2,000 to the Endangered Species Justice Fund at the Oregon Zoo, which helps pay for wildlife projects.

Hagerty went along with a request from prosecutors to sentence Kaufman and Hanchett each to one year of probation. During that year they’re prohibited from hunting and fishing, must complete 120 hours of community service and may not participate in any activities of clubs that raise birds known as roller pigeons.

Kaufman and Hanchett were leaders of the Northwest Roller Jockeys, a local club that promoted the pigeons. Roller pigeons carry a genetic trait that causes them to suddenly stop flying and tumble through the air before righting themselves. That attracts hawks and othe raptors to prey on the pigeons.

Undercover agents investigating the men and visiting their homes saw traps designed to catch and kill hawks and other migratory birds. When Hanchett introduced Kaufman to agents, he said Kaufman had killed 30 hawks within 45 days, according to court documents.

Hanchett told agents that hawks are the biggest problem facing those who raise pigeons. He said trapping and killing hawks was a common practice, the documents said. Hanchett said he tries to trap hawks and suffocate them in garbage bags. He also admitted shooting hawks numerous times, documents said.

Prosecutors told the judge in sentencing memos that though the men were charged with misdemeanors, the actions “resulted in a public outcry because of the loss of valued wildlife in Portland and the surrounding areas.”

The government received many letters and e-mails asking for serious sanctions, the prosecutors said.

Although the judge did not levy the penalties prosectors sought, Assistant U.S. Attorney Amy Potter said the sentence was still substantial for a misdemeanor crime. “I think they’re going to have a real impact, not only for these defendants, but also for others who would consider taking this type of action”

A third man, Mitchell Reed of Mount Angel, has also pleaded guilty but has yet to be sentenced. Two other men have been charged with similar crimes.

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Pigeon droppings cited in bridge collapse

by Pigeon Patrol | Nov 1, 2021 | Bird Netting, Bird Spikes, Columbidae, Doves, history of pigeons, MBCA

ST. PAUL, Minn.–Pounded and strained by heavy traffic and weakened by missing bolts and cracking steel, the failed interstate bridge over the Mississippi River also faced a less obvious enemy: Birds, specifically pigeons.

Inspectors began documenting the build-up of pigeon dung on the span near downtown Minneapolis two decades ago.

Experts say the corrosive guano deposited all over the bridge’s framework helped the steel beams rust faster.

Although investigators have yet to identify the cause of the bridge’s Aug. 1 collapse, which killed at least 13 people and injured about 100, the pigeon problem is one of many factors that dogged the structure.

“There is a coating of pigeon dung on steel with nest and heavy build-up on the inside hollow box sections,” inspectors wrote in a 1987-1989 report.

In 1996, screens were installed over openings in the bridge’s beams to keep pigeons from nesting there, but that didn’t prevent the build-up of droppings elsewhere.

Pigeon droppings contain ammonia and acids, said chemist Neal Langerman, of the American Chemical Society. If the dung isn’t washed away, it dries out and turns into a concentrated salt. When water gets in and combines with the salt and ammonia, it creates small electrochemical reactions that rust the steel underneath.

“Every time you get a little bit of moisture there, you wind up having a little bit of electrochemistry occurring and you wind up with corrosion,” said Langerman. “Over a long term, it might in fact cause structural weaknesses.”

Langerman emphasized that he wasn’t saying absolutely that pigeon dung factored into the collapse of the bridge, but the problem is familiar to bridge inspectors everywhere.

The Colorado Department of Transportation spent so much time cleaning pigeon manure off bridges that it’s researching new ways to keep the birds away from its spans.

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If pigeons can breed all year round, why don’t most other birds do the same?

by Pigeon Patrol | Oct 20, 2021 | Bird Spike, Pigeon Predators, Pigeon Spikes, Pigeons, Pigeons in the News, Raccoons, Sparrows, UltraSonic Bird Control

Pigeons are domesticated rock doves, a species of bird that lives mostly in the Mediterranean area. The weather there stays fairly mild through the whole year, so there’s no need to limit breeding to just one season. Being able to breed year-round is a big evolutionary advantage if the habitat can support it, and that’s probably why pigeons are so successful.

But that’s not true for all birds. Most climates are not so hospitable through the seasons, and most birds are dependent on seasonal food sources like insects and seeds. There are also many species that migrate, and they can’t exactly carry their eggs with them. (Rock doves and pigeons are not migrators, so that’s not a problem for them.) They have to get all their baby-making done during the brief period of time when there are enough resources to raise the chicks. Even rock doves prefer to breed during the spring and summer when food is most plentiful.

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Pigeon droppings health risk – should you worry?

What is it?

How can you catch it?

How risky is it?

How dangerous is pigeon poo?

Homing Pigeons Get Their Bearings From Their Beaks

Two pigeon hobbyists sentenced in hawk killings

Pigeon droppings cited in bridge collapse

If pigeons can breed all year round, why don’t most other birds do the same?

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