Monday 23 October 2017

Linguistics in Aviculture - Updating for the times?

This post is not directly related to aviculture and could indeed be applied to any discipline involving wild animals in captivity. Wild animals in "captivity" being the issue being discussed here.

Just to outline for anyone looking forward to an ethical lecture, this certainly isn't one and the aim here is to look briefly at the linguistics of aviculture, not the ethics themselves.

OK... If you are certain you want to go with this then lets crack on...

The ethics of keeping animals in captivity is a minefield for anyone not initiated in animal cognition, welfare an perception. This can be particularly tricky with birds as they behave and perceive the world quite differently to mammals and most other taxa in fact. It's also important that we remember that like many subjects in which the target's thoughts and feelings are subjective only to themselves and said subjects have no means to easily translate them in any human language, everyone and their grandmother is free to consider and transpose what they imagine the subject might be feeling. This produces endless (and often erroneous) well meant guesses and in turn plenty of strong emotional opinions. What I ask today is that for those without previous experience but good intentions, is the very outdated language which we still frequently use within aviculture as a whole helping form these opinions for them?

You say potato, I say... "in aviculture"

 For keepers It's OK to be using casual terms, they almost slip out on the tongue as we hear them so regularly but seldom do we consider the very counter productive implications they make to the general public. This is important, because as we move forward in developing the standards of aviculture it's critical that the "lingo" evolves with us. Lets have a look at some of these terms.

In the first instance there are just words which outright imply something in their use, here is an example.

From the dictionary -

Captivity
kapˈtɪvɪti/
noun
noun: captivity
the condition of being imprisoned or confined.

The definition of a term so casually used is no longer reflective of the lifestyles of many birds, of course there are still some situations which could be easily termed captivity, birds kept in small, non stimulating environments without interaction from their own species or at least a similar species with which they can feel comfortable, but these situations in the 21st century are certainly not the norm and are the result of either outright neglect to address the individuals needs or general ignorance. On the whole conditions for birds living in the company of mankind are generally far removed from the times when the term "captivity" was coined and almost certainly derived from an anthropomorphic connection to human imprisonment which again could be misplaced to begin with. 

Once we start to consider that we are entrenched in outdated language which implies a certain level of inherent compromise and suffering it is not a surprise that bird keeping has something of an image problem, one which we could be producing ourselves. To an outside observer the term "captive" conjures up visions of oppressive misery which in the majority of cases is just not there.  


Let me take a moment to highlight the fact that in my opinion some conditions for birds are terrible still and I would not want the reader to come away with the idea that in my advocacy for updating language that I presume that all welfare in this era is acceptable, it is not.

For me, this represents a "captivity" for birds, but is certainly not reflective of how most birds in zoos or private collections live, should we still be using the same term to describe such far removed welfare levels?


So the next time we talk about "captive bred birds" or "bred in captivity" or "rare in captivity" we should consider how that may subconsciously influence the general public's understanding as a whole of what we do.

An easy interchangeable could be "in aviculture", "bred in aviculture", "rare in aviculture" etc...

As well as simple words, some regularly used phrases could have a double barrelled effect in their use, when used by professionals they mean something very obvious to us, but to to the layman there may easily be more wiggle room for interpretation.
 
 The term "IN THE WILD" 

So here's a tricky one, whilst it is understandable that this term is used often, this term unintentionally implies a welfare baseline for birds to be matched with the lifestyle they might live in the wild. Life in the wild is of course filled with danger and birds in captivity have a considerably easier time if kept stimulated. But we would be foolish to think that just because a species does something in the wild that this is the ideal situation for it to be in with us. In the wild there are predators encountered daily, the foods that are eaten in the wild are often nothing like the nutrition given in captivity, and sometimes this is the right thing to do. A prime example would be the Hyacinth Macaw, in the wild this species exists on an incredibly high fat diet, one which if fed to a bird in an aviary would sooner or later result in severe illness or even death. Pretending that our baseline for welfare is what happens "in the wild" is embracing madness. The point here is that again, the casual use of this term in irrelevant contexts could leave the general public with the idea that an aviculturalists baseline should be identical to how that species might live in the wild, again an often erroneous assumption. 

We need to ensure that the connections between the wild, conservation efforts both in and ex situ are maintained and strengthened, but somehow we must avoid creating more confusing pre formed perceptions outside of avicultural circles.

 The Cliche - Do nice people even use tiny round victorian cages anymore? I'm not sure. 



There are of course some frustrating cliches in pop culture and society in general which do us no favours, including the idea of a caged bird that longs constantly for freedom (usually from a cage that no respectable keeper would even use these days!). Whilst there is little that can be done to remedy this, it is worth an honourable mention even as an example, again it gives the illusion that all birds want to be free when as most keepers over all disciplines will be painfully aware that birds like to be where the food water, safety and shelter is and that escape is usually a fear driven accident rather than a calculated decision.


As versed individuals it's easy to bypass the obvious, but once we start using modern relevant terms as a collective, we may see a positive improvement in society's view of aviculture and its relevance to protecting and increasing numbers of birds in need. 

I hope this has been a brief eye opener, have a think for yourself, I'm certain you can think of other instances where inappropriate or outdated negative terms are still being used to no real benefit, maybe think about the implications of our daily language to those outside of aviculture. 

C.












 

Monday 2 October 2017

MMM... DONUTS! - Thinking outside the boxes : Have we overlooked a major new aviary design?


Donuts... I know what you're thinking, where are you going with this, but hold tight, there is a point here.

Traditionally when we design aviaries even with the best intentions we always automatically tend to think of the longest possible flight distance, and rightly so, flight is critical to most birds and good levels of exercise are integral to the biology and health of those species. In the wild most birds would be faced with daily situations that required varied amounts of flapping, gliding, banking and slowing in three dimensions, not just two like us humans, to really consider the challenges birds face we must consider our differences rather than our similarities. This activity would make up a large portion of their mental stimulation for the day and far too many flights are designed on a very "human" two dimensional level which allows for some flight, but the real quality of that flight is questionable. Granted some species may fly far less than we tend to think, or at least expend far fewer calories doing so, but flight is very important regardless. Coupled with that, choices are crucial to good welfare, so the choice to fly or not fly is one every bird deserves, this subject could take a whole article in itself, but back on topic.

So we are designing a flight maybe long but thin, so that exercise may be taken in short bursts from one end to another, maybe we set up a larger more square flight so that varied movement can be taken across the flight and for some species this may be the best option, certainly this idea will not work everywhere, but could be better deployed with the average flying bird, be it bird of prey, large softbill, parrot or any species which might wish to maintain meaningful, sustained flight over a good period of time without constant starting and stopping.


99.5% of all bird keepers have a weakness to cake...have I lured you in yet?


Sure we can never realistically provide the complete mental stimulation of flying miles in the wild, but with this method we could at least offer the physical effects and benefits of such exercise and a clear improvement from the welfare offered by traditional to-and-fro flight designs. Even if you do not care for good welfare (AND YOU SHOULD!) it is well known that one of the biggest brick walls with fertility in captive birds is obesity through either overfeeding (very common) or lack of activity, it might make your bird sluggish, unattractive to it's partner (overweight birds are a liability) and also has massive influence on the hormone production within each sex and for those of us who value natural raising of birds this is critical (I'm not talking about just getting an egg laid, pulling, incubating, hand rearing and calling it a success here, I'm talking the art of long term support, not doing it for them but making sure everything they need to do it themselves is available year in year out). So how might we remedy such a problem? You got it, lots of good, meaningful exercise to keep birds lean, give them space to court properly and get their bodies coursing with all the right hormones and not carbs, fats and frustration, which oddly enough sooner or later can lead to aggression and in the end, failure to breed and live a normal life.

Here's where I think as a collective many of us might have missed a trick, the donut shaped flight. This is something I had come up with myself some time ago independently in my quest to allow for potentially endless exercise, but after I did a little research I found that several other people in the past decades in separate parts of the world have come to a similar conclusion and indeed some have even built such a prototype aviary with varying levels of success.

The virtues of the donut shaped flight are many, if properly designed it can not only allow a real chance at sustained exercise but provide visual barriers for birds when the bird's sheltered housing is placed in the "hole" of the donut, on a small scale a low safety porch leaving the area above still open will not block the flight path. In zoos there is plenty of opportunity to include viewing areas in place of shelters (place them somewhere else of course) offering an immersive experience for visitors, although certain species may not take well to visitor traffic in the centre of the aviary, but no doubt this idea could be used to better effect than it has been thus far.


Above - A simple and effective donut shaped flight at Olomouc Zoo in the Czech Republic


Above - From the front Olomouc zoo's donut offers decent viewing space also.

So the donut was the answer in my mind, to sustain long term flight in a confined space, but then the next issue occurred to me. Birds are generally creatures of habit and often like to do things the same way, sometimes even at their own expense, might the donut encourage it's inhabitants to only fly round it in their own preferred way and in turn produce an unbalanced physical muscle structure from constant banking flight? Maybe...

So my next thought was the racetrack flight, a flight which allowed for some straight ahead flight followed by banking at either end of the "track" this could remedy some of my concerns about hefty one sided pectoraly challenged birds. For a long time I looked for evidence of such a flight and found that nobody seemed to have constructed one at the time, but on an off chance I looked toward the East, where the great master falconers of the Arab states often have humongous sums to spend on their beloved birds of prey, and lo and behold I found something close to what I was looking for. A huge, wide racetrack shaped flight designed for exercising birds (granted not for day to day use but the design could easily be transformed) at 42 m in diameter around the curve this is an impressive flight space.



Above and Below - Large flight for birds of prey in the United Arab Emirates.




 



The racetrack or wide donut works very well in this context with well trained birds of prey who can be flown in either direction to make up for any overuse of muscles, but left unsupervised, it still does not address the concerns about banking in one direction over and over again, so once more the cogs were turning.

The next step seemed to be fairly obvious to me, a figure eight track, which I dubbed a "double donut" (I may come up with a variant for waterfowl and call it a "dunkin' donut"... I'm here all week.). Provided the central flight space was clear this design could be the perfect shape I was looking for, extended too to allow for some non banking flight time it could not only offer the varied exercise I wanted but also another thing... choices. Choices are the foundation of good welfare and allowing animals to express that right will improve their day to day lives, the elongated figure eight allowed for a multitude of flightpaths, not just one way or another. Birds could do a standard figure of eight banking equally in both directions during flight, they could do the same in reverse offering a whole new perspective in terms of the visual stimuli and physical obstacles the may find, they could do the same loop twice if desired and a multitude of varying combinations which ultimately makes up a better experience for the bird whilst flying. On occasion they may even have to dodge a fellow bird as they go through the central area, all very natural interactions which could increase the animals welfare and time spent "flying" considerably.

The centre of the donuts is important because visual barriers will often act as a guide to focus flight paths within aviaries, a peanut or circle shaped aviary would not result in the same sort of flight as the designs outlined here, but as mentioned earlier that space could be used for shelters, viewing areas or just left empty, but it should be there. Some success has been had with large circular flights for birds of prey, but again they would not offer the variable benefits of the "double donut" and suffer the same disadvantages as a standard donut.

Along the same lines I found another bird of prey design which at the moment I consider to be almost the "perfect" design for such an experimental flight for many other species to live within full time, although if it has been built or is just in the design stage I could not say (See below).



In the end it was clear that my idea was not as original as I had thought and had been tried here and there with some success as a full time aviary, it is still a surprise that there are not more flights like this around given the clear promise of such a design. I hope to see more in future and maybe we will discover even more of the virtues of the donut! Watch this space!

Imagine the enrichment possibilities of such a complex aviary shape... But I'll leave you with that to think about...

C.