Ethical Methods Of Feral Pigeon Management

Feral pigeon family

Pigeons are one of the most intelligent and adaptable birds on our planet. Feral pigeons are derived from domestic pigeons that have returned to the wild. It is thought that the domestic pigeon was originally bred from the wild rock dove, which naturally inhabits sea cliffs and mountains. Although this is a commonly held view, it is probably far more likely that the rock pigeon domesticated itself in order to exploit the wasteful humane society. However, thousands of racing pigeons and doves are intentionally released each year, many of them joining feral pigeon flocks and breeding with their cousins. Feral pigeons find the ledges of buildings to be a suitable substitute for sea cliffs and have become well adapted to urban life. Pigeons usually breed when the food supply is abundant, which in cities can be any time of the year. Laying of eggs can take place up to six times per year. Surprisingly, despite the high reproduction rate, feral pigeons often only have small populations within cities. Feral pigeons usually reach their highest densities in the central parts of cities and because of that they are frequently encountered by people creating a scenario, which often leads to conflict.

Pigeons Peter and Jimmy

The Myth About Feral Pigeons Being Health Hazards

Feral pigeons are often considered a pest or vermin, owing to concerns that they spread disease including bird flu, despite scientific evidence that pigeons do not carry the deadly H5N1 strain. It is rather rare that a pigeon will transmit a disease to humans, but so do other animals including pets. Having said that, pigeons can pose a health hazard, in particular if birds die as a result of having been trapped and decomposing carcasses become maggot-infested, particularly during summer months. This often happens as the result of non-professionally installed or damaged netting, which is supposed to keep birds out, and not in. In that context, there are also legal implications in respect of netting and inadvertently trapping live birds, where property owners can be prosecuted for causing unnecessary suffering.

Feral Pigeons And The Pest Control Industry

The real enemies of pigeons, and the health of humans and other wildlife, are the profit orientated pest control industry, and to a certain extent the well meaning lay pigeon feeder, because without lethal controls and the deliberate persistent feeding of pigeon flocks, the pigeon would only exist in small numbers and nothing would be like the problem it is currently perceived to be. Lethal control methods are without exception inhumane, unethical and morally wrong as they inflict suffering to sentient beings, who are actually suffering already because of us. In fact, the pest control industry is largely responsible for the massive global rise in pigeon numbers due to excessive and commercially motivated use of lethal control methods. Killing adult pigeons in a feeding flock favours the younger birds, which would otherwise have a smaller chance of survival. The size of a pigeon flock is dictated by the amount of available food.  The physical removal of birds from a flock will increase the food supply for the remainder of the flock and will also create a void, into which surviving members of the flock breed.

Feral pigeon Julie

Inhumane Methods Of Feral Pigeon Management 

A common method being used by pest controllers is poisoning. When pigeons are fed poisoned bait, surviving birds do not leave the area. On the contrary, they are left with more food per bird than before. This also attracts pigeons from outside areas as well as encourages breeding, and populations are increasing. An additional problem with poisoning is that it also kills natural pigeon predators, like peregrine falcons. Other inhumane and money wasting lethal methods being used are shooting, cage trapping and the abuse of birds of prey. Most pest controllers use harris hawks as the favoured control option. This bird of prey is not a natural predator of our feral pigeon and is much slower in flight and therefore this bird poses no threat to a healthy and experienced pigeon. The use of a bird of prey is neither ‘green’ nor ‘natural’. Using one species of bird to kill another, particularly when the hawk concerned is not the natural predator of the target species, is clearly not ‘natural’. In fact, this kind of pest control  is nothing else than another bloodsport, where birds of prey are abused to kill other species of birds and animals for the pleasure of the human handler.

Rook Martha – An Obituary

Spinal Trauma Rehabilitation – Magpie Anton’s Story

Corvid Isle Sanctuary

Humane Methods Of Feral Pigeon Management

The first simple and effective step to humanely control pigeon populations is to reduce uncontrolled feeding, which is aimed to reduce the reproduction rate and not intended to starve birds to death. Cities around the world have discovered that not feeding their local birds results in a steady population decrease in only a few years. Pigeons, however, will still pick at garbage bags containing discarded food or at leftovers carelessly dropped .

The next step is to directly influence the reproduction cycle. The use of dovecotes and designated feeding areas in public places combined with the use of pigeon lofts located on buildings has helped to concentrate and control pigeon numbers in a humane but effective manner. Eggs are replaced with dummy eggs in artificial pigeon houses to reduce the number of offspring. This also allows to keep an eye on the health of the local pigeon population. Another promising method is the use of nicarbazin, which is a compound for avian contraception. Originally developed for use in resident Canada geese, nicarbazin has been introduced as a contraceptive for feral pigeons. This contraceptive is both, non-hormonal and fully reversible. Declared safe and humane, the new technology is environmentally benign and does not represent a toxicity hazard to raptors or scavengers.

Crested archangel pigeon Merlot

All in all, an ethical holistic approach is needed and already readily available to influence pigeon numbers humanely, which has a positive effect onto the health of our feral population and is also reducing cruelty and suffering of one of the most lovable bird species on our planet.

 

Spinal Trauma Rehabilitation – Magpie Anton’s Story

Admission – 28/06/2016

Anton, an immature magpie, came to us as in June 2016. He has been found hiding in a greenhouse after being injured and unable to fly. At admission we found a subacute fracture of radius and ulna of his left wing. The fracture has been treated conservatively and splinted accordingly. Anton made a full and uneventful recovery, and four weeks later he has been successfully soft released. Anton stayed in the area and has been seen daily returning for some snacks.

Update – 20/08/2016

The last three weeks, after we opened the release aviary, magpie Anton stayed in the closer vicinity and came back almost every day for food and to visit some old friends, in particular magpie Ebony. However, today we have been shocked to find Anton near his release aviary lying on his back and being unable to walk or stand. Although we don’t know what has exactly happened, the admission assessment revealed very quickly that our unlucky magpie fellow Anton suffered a severe impact trauma, which has resulted in a spinal contusion with subsequent partial paralysis of both wing and legs. 

Rehabilitation Of Brain And Spinal Trauma Patients

The treatment of corvids in general, but in particular the treatment of spinal injuries in birds can be a controversial topic and is handled inconsistently. Apart from the disappointing species related fact that corvids are often not treated and rehabilitated at all, a spinal trauma or spinal injury with partial or complete paralysis of wings, legs or both, is commonly seen as an acceptable reason for an immediate euthanasia. And even if a rehabilitation attempt is undertaken, often enough these birds are hastily euthanised after only a couple of days without significant improvement. Our own experiences, rehabilitation approach and results are different, focussing on birds without a fracture or on birds with non-displaced spinal fractures only. It has to be noted that displaced spinal fractures usually result in irreversible damage to the spinal cord and a recovery is very unlikely. In these cases euthanasia is probably the kindest option.  However, these kind of decisions have to be made on a case by case basis. In all other cases outlined above, a treatment attempt should be considered. If there is no noticeable improvement within a fortnight, chances of recovery are remote. However, as soon as there is a noticeable improvement observed, chances of a full recovery will increase markedly over time. Under these circumstance the rehabilitation process and timeline will be extended and adapted accordingly. The video clip below shows some of the milestones of Anton’s rehabilitation process and recovery including his second successful soft release. 

Considerations For The Early Rehabilitation Phase

Magpie Anton is a typical example, which proves that birds with spinal injuries should be given a second chance and that these birds can make a full recovery. At admission Anton was unable to stand or walk at all. He was able to fly short distances, but in a very uncoordinated way, which did suggest a mild coexisting concussion. As in any other rehabilitation situation, the rehabilitation process needs to be frequently adapted according to the degree of neurological deficit and should also take the personality of the individual concerned in account. The treatment usually starts off with a secure and padded hospital box in a quite and dimmed light setting, with the primary goal to keep the bird calm and the blood pressure low, without using any restraints (e.g. bird harness or sling). This is in particular important during the first week, as the risk of a sudden neurological deterioration is highest during the first 24 hours after the trauma. Any bleed or haematoma within spine or brain will lead to a compression of the surrounding structures, also resulting in an additional perifocal swelling or oedema, which usually peaks at 72 hours and persists for about 5 days. These findings might explain a second mortality peak commonly seen at the third day post accident and they also justify the necessity to give any bird with a brain or spine injury enough time and a chance to recover. Based on these facts and our own experiences, it becomes evident that the 14 day rule seems to be a good compromise. 

Longterm Rehabilitation Of Brain And Spinal Trauma Patients

For the next phase of the rehabilitation process, a padded play pen or baby cot works very well, which allows the bird to exercise in a safe environment, as the bird is usually not in full control of his or her movements and may be prone to injuries. Not unsurprisingly cleanliness is paramount, primarily to avoid additional damage to and contamination of the plumage, which is at risk to excessive wear and tear in particular in birds, which are unsteady and prone to falls. The added interior of the padded pen has to be chosen carefully, to take again all these facts in account. This also obviously includes water dishes to avoid accidental drowning in unsteady patients. When the bird has regained his or her abilities to control its movements, a transfer into a small safe aviary can be attempted to allow more freedom, entertainment and exercise. However, the progress has to be monitored closely, as frequent adaptations of the aviary setup may be necessary to adapt and optimise the rehabilitation process and to minimise any remaining risks of falls or injury. The final step of the birds recovery will be the transfer into a larger free flight soft release aviary. It goes without saying that these kind of bird patients are not suitable for a hard release at all. Soft release is the only viable option for any young or long-term patient allowing a gradual reintroduction back into the wild. 

Top 10 Mistakes Made In Corvid Rescue And Rehabilitation

Update – 02/11/2016

Magpie Anton made a full recovery and has been successfully soft released for the second time. Anton teamed up with previous inmate Ebony, who has been also soft released together with Anton. Both birds stayed close by and are frequently visiting our garden, even a year after their final release. Stay safe Anton and Ebony!

Magpie Anton’s Story

Rook Martha – An Obituary

Rook Martha

It is with great sadness that we have to announce that we have lost today our rook Martha, one of our resident birds, foster parents and friend. After a very short illness Martha passed away peacefully in our arms.

Rook Martha

Martha, an adult female rook, came into our care in October 2014. She has been found grounded in a garden after having suffered a carpometacarpal fracture of her right wing. The finder took Martha to safety and cared for her over the course of the next three weeks. We have been asked to take over Martha’s care, when it became apparent that she would not be releasable. Although the fracture showed a satisfactory fracture union and alignment, the wing remained slightly drooped rendering Martha unable to fly properly. Additionally, she also developed a joint infection, which needed longterm treatment including physiotherapy. Martha made a good recovery and regained partial use of her wing allowing her to fly short distances. 

Rook Martha

Martha settled in well into our communal rook aviary, where she helped many young birds to get prepared for their second chance in live, for their release into freedom. We don’t know how old Martha was. We can only assume, based on observed social interactions with wild rooks and within the rook aviary, that she wasn’t the youngest bird anymore, when she came to us three years ago. It was a privilege to get to know her. Martha made a big difference to many birds during the three years she spent with us. Rest in peace Martha!

Blackbird Herbie

Blackbird Herbie

Admission – 15/06/2017

Herbie, a blackbird nestling, came to us as after being caught by a cat. Herbie suffered superficial wounds around his back and right hip. Additionally, we found a sprain injury of his right leg. The routine faecal float test revealed a severe coccidia infection. Herbie has been treated accordingly and settled in very well. It took just a couple of days for Herbie to fledge. He then has been moved from his hospital box into a much larger flexarium, which is a soft fabric indoor aviary, to allow him to exercise his wings and leg without damaging his developing plumage. His superficial wounds healed very well. The mild paralysis of his leg, caused by the sprain injury, did also resolve completely. 

Blackbird Herbie

Update – 03/07/2017

When it became clear that Herbie was reliably eating by himself, we transferred him from the indoor flexarium into our outdoor release aviary, where he joined blackbird Marcia. Birds which have been in care for more than a few days should be reacclimatised by housing in an outside aviary for a period of time (generally about two weeks) before release. Fledglings also require an oppertunity to exercise to develop sufficient fitness prior to their release. The exposure to the elements will also encourage preening and ensure that the plumage is returned to normal waterproofing, which is important for any bird species. 

Blackbird Herbie

Update – 22/09/2017

Today blackbird Herbie has been successfully released. Stay safe Herbie!

Blackbird Herbie

 

Blackbird Marcia

Blackbird Marcia

Admission – 28/04/2017

Blackbird Marcia came to us three weeks after been rescued by a well meaning person, who found the bird as a nestling being out of the nest on the ground. Unfortunately, a wrong diet has been fed to the bird, which led to a very poor plumage and delayed general development. Marcia suffered also from an untreated coccidia infection worsened by a generally weakened immune system due to lack of nutrients, vitamins and minerals. Additional plumage damage has been inflicted by keeping the fledgling bird in a metal cage. Marcia appeared also clearly imprinted, as she has been raised by her own. Luckily, the finder didn’t release Marcia as initially intended, but only because of concerns regarding cats visiting the garden. This was the main reason why Marcia has been brought to us eventually, which saved her live and gave her another chance.

Blackbird Marcia

Although Marcia’s plumage might not look too bad at the first glance, one should not forget that most plumage related problems will manifest themselves at a later stage. Feathers and flight are the primary facets of bird rehabilitation, which are sometimes overlooked by inexperienced and even seemingly experienced rescues and rehabbers. Feather condition is as critical during the course of release for birds as is the ability to fly. Any type of damage to the feather structure will impede a bird’s ability to fly, to be waterproof and to thermoregulate. In short, birds with compromised feather condition have a low survival rate following being released. To further compound the problem, the majority of birds have only one annual moult, the first complete one usually occurring in their second year. 

Blackbird Marcia

Update – 28/05/2017

It took Marcia five months to replace all damaged and prematurely lost feathers. Marcia was unable to fly for many weeks, which would have been her death sentence in the wild. She would have been unable to protect herself from the elements, rendering her unable to maintain her body temperature and unable to forage. Marcia has spent most of the time in our sheltered soft release aviary, where she could exercise and explore freely, but where she also had the chance to find shelter and warmth when needed. 

Update – 22/09/2017

Today blackbird Marcia has been successfully released. Stay safe Marcia!

Blackbird Marcia