Winter is coming

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Winter is coming…

With winter just around the corner, we’ve seen a number of younger birds brought into our Raptor Hospital suffering from starvation and dehydration. This is nature’s way of determining the “survival of the fittest” and making sure that only healthy birds survive to breed and pass on their genes to the next generation.

In the wild, birds will often overcompensate for this and lay more eggs than would be required to replace the parents. Tawny owls can lay up to three eggs, buzzards four, kestrels up to six eggs per clutch and barn owls can lay up to eleven eggs and have been known to have two broods a year. Birds of prey will start incubating the first egg as soon as it’s laid, which means that the chicks don’t all hatch at the same time (known as asynchronous hatching), and in larger clutches can mean a week or more between the first and last hatched chicks.

This obviously gives the first chicks to hatch a massive head start, so by the time the youngest chick has hatched, it is often at the bottom of the pile for food from the parents and means that the younger chicks often die of starvation. In some species, such as eagles, obligate siblicide occurs, where the larger, stronger chick kills and eats its smaller siblings in years when food is scarce. 

In wild barn owls, only 40% survive to see their first birthday, whereas in kestrels this is only 29%, so it is unsurprising that we’ve had so many intakes in the past month. However, if they do survive their first year, they stand a good chance of living to a good age, according to their species - the average for barn owls is 4 years although they have been known to live for up to 16 years in the wild.

For our native birds of prey, most youngsters have been out looking after themselves for a few months now, hopefully gaining experience hunting for prey and learning where to find shelter when we have had bad weather. But with bad weather days being more frequent as winter approaches, some are clearly struggling to find enough food. 

Young bird feathers are not as waterproof as adult feathers, so constant rain can be a killer as the birds struggle to hunt in rain. As the juvenile plumage gets wet in the process, the feathers can’t dry before the birds have to try hunting again.  We’ve also had strong winds, which can blow birds into buildings, trees or vehicles if caught unawares, and can lead to damaged feathers or broken bones.

Whilst we do everything we can for all the birds that are brought into the hospital, some come in so weak that they are unable to eat by themselves. We can intervene and tube feed to get essential nutrients into them, but regrettably this sometimes comes too late and a number may die if we are unable to nourish them in time.

Illegal trapping in Suffolk

We recently took in an injured Barn Owl, which was found struggling to stand. Upon investigation it was rushed to our vets who took X-Rays and confirmed that both femurs (upper leg bone) had been shattered. This is almost certainly the result of being caught in a Fenn or Pole trap, which have been illegal since 1904.

X ray showing the shattered upper legs of a Barn Owl.

X ray showing the shattered upper legs of a Barn Owl.

Unfortunately, there was nothing we could do to save this owl so it was euthanised to end it’s suffering. However, the story doesn’t end there. Over the years we have worked closely with the local wildlife crime officers on similar cases, so the owl was sent to them for an official post mortem. We shared with them the location the owl was found, and they did a sweep of the local farm and estate. Although nothing was found, they are hopeful that news will spread amongst the community that it was investigated and that the perpetrator will be dissuaded from putting traps out again.

Though it is upsetting to deal with illegally trapped animals, this case is doubly so as this barn owl was unlikely to have been the intended catch. Pole traps are more commonly used to catch Sparrowhawks and Buzzards, which do occasionally hunt poultry and game birds. The nature of these traps leads to the indiscriminate maiming and killing of countless wild birds around the UK every year, despite the laws against them, but they can also be a threat to mammals.

Illegally persecuted wildlife is often found dumped on roadsides, as the culprits try to “hide” the evidence on our increasingly busy roads (see previous blog). Raptors, badgers and foxes are the most commonly found, and injuries sustained through hunting, trapping or baiting can be disguised by a few knocks from vehicles. There are a few dedicated groups around the UK who collect roadkill and investigate whether it is dead from a genuine accident or not.

If you see anything suspicious in the countryside, please call 101 and report it to the police.

For more information about Operation Owl, please visit:
https://www.operationowl.com/

Virtual Sessions launching Oct 2020

2020 has been a difficult year for many, especially those working with children and young people across the region, Here at Suffolk Owl Sanctuary we continue to offer educational visits for groups, but understand that in these times, it may be impractical to organise a visit to our Sanctuary, or to have visitors come to you.

Following discussions with other Education Officers from collections around the world, we are pleased to be launching Virtual Sessions from October 2020. These will be live sessions for schools and groups, delivered via a secure Zoom link, on a range of topics linked to the national curriculum. The list below is the sessions we have prepared so far, but we are open to suggestions so please let us know if there is something else you would like us to cover:

Food chains and webs
British habitats
Nocturnal Animals
Raptor Conservation
All About Owls
Animal Storytime
Owl Pellet Detectives, either as a demo or as a practical. Owl pellets are priced at £3 each and should be ordered from our website 2 weeks before the session date: https://www.owl-help.org.uk/pellet-detectives

Owl Pellet Detectives is already a popular session. Photo by L. Mundford.

Owl Pellet Detectives is already a popular session. Photo by L. Mundford.

These sessions will be priced at £35. Each session will last up to 1 hour (practical Owl Pellet Detectives, may run a bit longer if required) and will include different activities relating to raptors and time for questions at the end. We can provide worksheets for these sessions, which will be made available from our website to download.

Sessions are available Mon-Fri 10-4, but if you would like to arrange a session outwith these times, please do get in touch with our Education Officer, Susan, to discuss.
( susan@owlbarn.co.uk )

The dangers of roads

Over recent months, we have received a number of casualties into the hospital which are suspected of being involved in Road Traffic Accidents (RTAs).

This Barn Owl was found on the side of a road. She arrived last week with no obvious signs of injury, but will be kept in for monitoring. Otherwise, she was in good condition, so we think she was just unlucky in choosing her hunting grounds the day she was brought in.

This Barn Owl arrived after a suspected RTA. The staining on her feathers is from her nares (or nostrils), and is similar to a nosebleed so not thought to be serious.

This Barn Owl arrived after a suspected RTA. The staining on her feathers is from her nares (or nostrils), and is similar to a nosebleed so not thought to be serious.

We also have a Buzzard in the hospital which arrived with obvious head trauma, again, after a suspected collision with a vehicle. After some monitoring in an aviary, our vet determined it may have a condition known as uveitis, which can cause pain in the eye. This can usually be treated successfully, and we are hopeful that both our current Road Rescues will make full recoveries and be released into the wild soon.

This Buzzard was brought in with head injuries and is being monitored in our aviaries.

This Buzzard was brought in with head injuries and is being monitored in our aviaries.

Britain has enough roads to wrap around the Earth 10 times (247,000 miles!). A recent report shows that over 70% of Britain falls within 700m of a road, causing impacts such as noise, light and chemical pollution, as well as the more obvious risk of collisions.
(https://www.nature.com/articles/s41467-020-16899-x)

Some wildlife appears to have adapted to live life in the fast lane, especially scavengers such as Red Kites, Crows and Foxes, who will treat busy roads almost like a buffet, feasting on those unable to get out of the way quickly enough. These animals are known to be intelligent and adaptable, and there have been reports that in social species one individual will warn others of oncoming traffic so they can get out of the way.

Others have struggled to adapt. Hedgehogs were recently reclassified as Vulnerable to Extinction due to their population decline, and one of the main reasons for this is RTAs, with roads cutting up the landscape, making it hard for hedgehogs to move around. Hedgehogs main defence is to roll up in a ball, which unfortunately does not stand up against cars and lorries. They can also struggle with kerbs, so having crossed the road safely, they may be unable to escape the other side into the safety of the verge or hedge.

For land based animals, one way to help is to create wildlife bridges over or tunnels under roads. This is mostly done in America and continenal Europe, although in Scotland, some roads have rope bridges across to help Red Squirrels move around, and every year hundreds of volunteers will help amphibians around the UK to cross roads between their hibernation sites and their breeding ponds. National Geographic have covered this several times, with the most recent article on this topic here: https://www.nationalgeographic.com/animals/2019/04/wildlife-overpasses-underpasses-make-animals-people-safer/

Roadside raptors are a familiar sight in East Anglia, but they have mixed fortunes living close to roads. Road verges are a perfect place for small rodents to live, as they are relatively protected from predators due to the traffic. This makes them ideal places for raptors to hunt, and Kestrels are commonly seen perched on poles or hovering alongside roads waiting for a mouse to emerge. While Kestrels are mobile enough to get out of the way, other birds, such as Barn Owls can get caught up in the slipstream of passing vehicles and thrown into oncoming traffic.

An unfortunate Barn Owl, killed on the road. Photo by Mike Toms.

An unfortunate Barn Owl, killed on the road. Photo by Mike Toms.

Project Splatter is a citizen science project based at Cardiff University which records roadkill around the UK. Their figures for 2019 show that 285 Birds of Prey were recorded around the UK, with 36 in East Anglia. Of these 43 were Barn Owls nationwide, with 8 found in East Anglia. Interestingly, they also revealed that the figures up to July 2020 show that 60 Barn Owls have been recorded around the UK this year, out of 143 Birds of Prey in total. This could be for a number of reasons, and they are currently working on a report looking at the impact of Lockdown on roadkill.

For more information about Project Splatter, please visit:
https://projectsplatter.co.uk/
You can report your roadkill sightings via the website or their social media channels.



Surprise in a box

We were recently brought in a young bird that was found locally - to our surprise when we opened the box we were greeted with a very beautiful young red kite! An unusual sight around East Anglia and an incredibly rare sight in our hospital. Even more unusual was that this bird was wing tagged - we were uncertain if kites were even being recorded locally. We found the BTO metal ring on it's leg (with a unique alpha numeric code to identify this bird as an individual) and after being reported to the BTO we found that the bird had been ringed and tagged in the nest near Downham Market, along with it’s sibling.

This young Red Kite was brought into the hospital exhausted and dehydrated. Gaping is a natural response to being handled, which was kept to a minimum to limit stress.

This young Red Kite was brought into the hospital exhausted and dehydrated. Gaping is a natural response to being handled, which was kept to a minimum to limit stress.

We then started investigating what had caused this bird to be found grounded in a field - although thin it was not showing any signs of illness or injury apart from exhaustion and dehydration so after some fluids it was put straight out into an aviary to assess his movements. The most obvious causes would be simply a lack of available forage (as these birds are mostly scavengers) due to weather conditions at the time (heatwave) it could have simply been exhaustion.

BJ looking much better after a few days of R&R in our aviary.

BJ looking much better after a few days of R&R in our aviary.

Kites are easy to age - first year birds do not have a full silver head or fully forked tail at this age and they also have very dark eyes - a sure sign that this is definitely this years fledgling, even if we hadn't had the ringing details to confirm this. 

Numerically, Red Kites are a common sight elsewhere in the UK but have yet to become established in East Anglia. Ringing figures from 2019 show that 195 Kites were ringed, with 35 being wing tagged like this individual, and more receiving colour rings on their legs (similar to those seen on swans). Only 26 Red Kites have ever been ringed in Norfolk.

Happily, after a couple of weeks in our aviaries, this young bird was ready for release last week. Fingers crossed it will stay out trouble and stay in the East Anglia area to boost the population here.

For more information about wing tagging and the ringing scheme, please visit the British Trust for Ornithology website:https://www.bto.org/our-science/projects/ringing/about  

Hedgehogs classed as Vulnerable to extinction

Hedgehogs classed as Vulnerable to extinction

At the end of July, a report by the Mammal Society declared that 11 of the 47 native mammal species to the UK are now threatened with regional extinction. Of relevance to the animals held at Suffolk Owl Sanctuary, Red Squirrels are listed as Endangered, Hedgehogs are now Vulnerable and Harvest Mice are Near Threatened.

Read More

Deep Water Dangers

Water troughs, buckets, water butts and pools are all a huge hazard for our native owls.

As with most birds, owls use these as a source of drinking water, or somewhere to wash.

However, unlike ditches or ponds which have sloping, rough-surfaced sides, these man-made structures are deep and slippery, meaning the owl cannot often climb to safety if it comes into trouble. Owls have soft feathers which help with silent flight, however, these feathers will act like a sponge and absorb water, meaning the owl can become waterlogged and potentially drown.

Summer is generally the worst time of year for this disaster. Adult females (Barn Owls especially) can become quite soiled after weeks of incubation and brooding and will attempt to bathe in the nearest available water. Late summer and autumn will then unfortunately see the inexperienced newly fledged/branching juveniles fall prey to the very same deep water, as they don’t have the skill to manoeuvre away.

There are a few ways in which you can help reduce this hazard...please see below.

Also see here for details on how to create a floating wooden frame for a trough.

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We have been nominated!

Boris, Anthony and Rufus have a special announcement to make…

Suffolk Owl Sanctuary is proud to have been nominated for the ‘Animal Charity Team of the Year’ category in the Petplan & ADCH Animal Charity Awards 2020!

Meanwhile, we can’t thank you all enough for your support throughout this difficult time.


UPDATE!

Suffolk Owl Sanctuary are delighted to announce that we scooped up 3rd place in the 2020 Petplan and ADCH Animal Charity Awards ‘Animal Charity Team of the Year’ category!

https://bit.ly/2zSCNM9

The awards received over 6000 nominations, so we are extremely proud to have been recognised alongside many other dedicated individuals and charities for our “entire team working together to deliver outstanding results.”

If you’d like to watch the virtual awards ceremony, you can do so here


Cheer for Key Workers

Recent months have seen the globe tried, tested and challenged in ways that we never thought we would ever encounter.

It has affected not only our nation as a whole in terms of health, economy, business, technology and politics (to name just a few), but it has also had a colossal impact on our individual, daily lives, in more ways than we could even begin to summarise.

Throughout this challenging time, our nation has come together in a united effort to fight the invisible enemy, Covid-19.

Suffolk Owl Sanctuary would like to take this moment to acknowledge the sacrifices and commitments the world’s key workers have made to keep us safe and healthy. For this, we are eternally grateful. 

Featuring…

Lincoln the Bald Eagle
Ozzie the Kookaburra
Woody the Brown Wood Owl
Odin the Peregrine Falcon
Titch the Tawny Owl

Adopt the stars of the show here


SOS is a small non-profit charity, and is entirely dependent on donations to cover the costs of housing, food, medication, surgery and always the support of our expert staff. Any donation you can make to support us at this critical time will go a long way, no matter how big or small.

Click here to help us Save our Sanctuary