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PostPosted: Sun May 14, 2017 6:29 am 
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This is an old one but I thought it would be good to re-cap my work with the tiger...!!

Notes from the field: The wizardry of modern technology

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Tiger posing in a waterhole in the Western Forest Complex

I arrived in Thailand in 1964 and took an immediate liking to the wildlife and forests of the Kingdom. Since then I have consistently visited many wilderness areas, and I can say the tiger is the most difficult of all the Asian creatures to see or photograph. I have only seen two tigers in all those years although many have been seen on my camera traps. Also, I have come upon many tracks left by the big cats. These magnificent carnivores are now rare and hence, very difficult to capture on film and/or digital. However, the wizardry of modern technology has given me an edge.


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Tiger camera-trapped in Kaeng Krachan National Park

My first sighting of a tiger was in Sai Yok National Park in Kanchanburi province along the western border with Burma more than 15 years ago, and my second in Huai Kha Khaeng Wildlife Santuary in Uthai Thani province just last year. Western Thailand is probably the best place where tigers can be seen in the wild. Luck would have to be the number one element but photo equipment, know-how and location also come into play.

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Tiger camera-trapped at night by the Phetchaburi River in Kaeng Krachan

The first was a fleeting glimpse of tiger deep in the forest of Sai Yok as I was sitting in a tree blind overlooking a large stream and mineral deposit, waiting for gaur that never came. Early one morning, I heard an animal jumping across the stream behind me. I took a quick look back and saw a sleek cat slide down the opposite bank. I went down at noon and looked at the tracks left neatly in the sand but quickly went back up. It was a close encounter with a real wild animal capable of taking man down in a split second. As I was up in a tree, I assured myself I would be safe.

After that, the urge to capture a tiger on film became an obsession and I finally decided to build my own camera-traps. I had the basic machining skills acquired after almost two decades of working as a rig mechanic in the oilfield, and before that the logging and heavy equipment industry. I have a small machine shop with a milling machine and assorted tools at home in Chiang Mai. I used a commercial camera-trap as the basis for my homemade ‘game or trail cameras’ as they are now called in the U.S. where a big business is flourishing..!

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The same tiger as above but a few seconds later

My first camera-traps used passive infrared sensor boards purchased from ‘Radio Shack’ while I was back on vacation in the States. My close friend Yuthana Anantawala from Chiang Mai was working for Unocal in the Gulf of Thailand as an electrician, and he helped me wire up several ‘point & shoot’ film cameras to the electronic boards. I built the housings out of ‘TIG’ welded aluminum boxes and machined the case flat to incorporate a faceplate attached with machine screws for a tight seal.

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A feral cat walking the wall behind my shop using a film camera-trap

Sealing and protecting the delicate electronics of the camera, board and batteries against moisture was the number one priority; silicon sealant forms a gasket to seal the case and is available everywhere, and silica gel (desiccant) in a small plastic bag to absorb any moisture was the trick. The first ones were simple and worked quite well. I tested them out the back of my shop where domestic and feral cats walked on a wall.

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A black cat caught by digital camera-trap

In mid-2003, I set six camera-traps in Sai Yok along wildlife trails and waterholes. After four months, I finally got my first tiger, and then a second cat a few days later up on a 600-meter ridgeline. It was the beginning of a program to catch the striped cat on film. Other animals caught were elephant, sambar, barking deer, wild dogs, wild pigs, serow and stumped-tailed macaque. I even managed to catch a water monitor on one camera.

One of those original film cameras is still working in the field and I call it ‘Tiger Cam’ as it captured my second tiger. The following is a strange but true story about these encounters.

Notes from the field: My lucky number eleven.

When you play the dice game ‘craps’, the number eleven is a winner for money, but you loose the dice and the next throw. The following story is about my ‘number eleven’ – two very lucky photographs, but getting them almost cost me my life. It was November 2003 while working in Sai Yok. My team and I had just set a string of camera-traps deep in the interior of the protected area. As we were leaving camp, the cook asked me for a lucky number. I had just lifted my camp chair, which left an impression in the soft dirt like the number eleven, and so I shouted out to the boys that the lucky number was eleven.

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My first tiger by camera-trap in Sai Yok National Park, Western Thailand

A month later, we returned to check on the cameras and change film. One camera had recorded an old male tiger on the 11th day of the 11th month (photo above). The shot is very dark but a tiger can be seen on the left. Another camera (Tiger Cam) caught a young male tiger up on a 600-meter ridgeline on November 15th at 16.11pm (below). This photo was the real beginning of my attempt to photograph the carnivore.

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My second tiger camera-trapped in Sai Yok a few days later taken on 15 November at 16.11

However, just after that, I became ill with the deadly Plasmodium falciparum (cerebral malaria) that almost killed me. The only thing that saved me was a medical procedure practiced here in Thailand for patients with severe malaria called a ‘blood exchange transfusion’. I stayed in the hospital for nine days and it was a slow recovery. I was lucky to survive. I will write a thread about that ordeal one day for Camtrapper and all the dangers of working in a Thai forest.

Some may argue that it was just a coincidence that 11 was recorded on both shots, but I like to believe the ‘spirits of the forest’ had finally answered my prayers. Ever since then, my luck has been a great roller-coaster ride in the exciting field of wildlife photography, publishing three coffee table books in English and Thai. Wild Rivers, my third book project, is just a continuation of a dream I had in Sai Yok more than 20 years ago, but that is another story.

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Tiger named '4-spots' camera-trapped in many areas of Kaeng Krachan National Park

In 2004, I moved further south to Kaeng Krachan National Park in Phetchaburi province, Southwest Thailand and began a new program with some generous financial support from World Wide Fund for Nature (WWF-Thailand) and in cooperation with the Department of National Parks (DNP). A presence/absence program was initiated at two areas in the park. Within a few months, I managed to catch a big male tiger and several leopards on an old logging road about 10 kilometers from the main gate. The other area was along the Phetchaburi River deep in the interior.

Over a period of three years, both cat species were caught on film in Kaeng Krachan consistently. The felines were in abundance. Leopards in both black and yellow phase were captured. The tiger and leopard have overlapping territories and hunt during the day and night. One tiger named ‘4-spots’ was consistently trapped in many areas of the park. I also managed to photograph a fishing cat, a rare occurrence. Other animals trapped were elephant, gaur, sambar, Fea’s muntjac, common muntjac, sun bear, banded linsang and striped palm civet among others like Indian civet, porcupine and fish-owl.

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Tiger caught head-on in Kaeng Krachan

It was a tremendous experience seeing all these exotic animals thriving in their natural habitat, and I looked forward to scrutinizing every roll of film. But it must be mentioned that there were many failures with equipment and even theft. I lost four cameras in Kaeng Krachan to poachers that probably had their photo taken and scared them. They actually bashed them until they busted open and chopped one out of a banyan type tree root.

I dropped the program, as it was a very expensive loss including the cameras, gas, food and labor, plus whatever photos were lost. I do plan on returning to the Phetchaburi River one day but with much more robust camera housings hopefully to prevent further loss.

I then moved to Huai Kha Khaeng Wildlife Sanctuary in Western Forest Complex-Thailand hoping to put my traps to work in a more tightly protected area. It did not take long to capture tiger and leopard, plus gaur, banteng, tapir, elephant, and many other creatures living in this World Heritage Site. And, I have finally lost two cameras to theft. From time to time, I still set traps in the sanctuary always hoping for a magical sighting of the big cats and other wonderful animals found here.

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Tiger caught with new digital camera-trap in Kaeng Krachan

Finally, the ‘digital camera-trap’ age has arrived. In November 2008 armed with a new digital camera-trap, a tiger (above) was caught in a salt lick not far from the main gate in Kaeng Krachan. It was an early morning shot of a mature cat and the first record of a tiger in a mineral deposit in the park. Prior to that, it was always thought the predator hunted around the peripheral of mineral licks that attracted the herbivores.

Kaeng Krachan and Kui Buri national parks have Thailand’s second best population of tigers and leopards, and both remain some of the top protected areas where they still survive and breed. I have left the Southwest area of Thailand and moved up to the Western Forest Complex.

There are three companies in the United States that specialize in passive infrared boards, and one company that offers active infrared controllers. I have listed web-address at the end of this thread in the event someone has a hankering to build a homemade camera-trap. The websites are very informative but it does require some extensive searching to get good information. Instructive data on modifying cameras and building your own camera-trap is listed.

It is not easy finding the right secondhand Sony, Nikon, Olympus or Pentax digital models at used camera shops or pawnshops anymore. They do float in and out of one place at the very end of Chinatown’s Yawalat Road on the right hand side of the road that sells second hand camera and video stuff. Make sure you thoroughly check the camera out, and even then, it might turn into a dud. The most popular camera for trail units is the Sony S600 digital with a 6-megapixel sensor and a Carl Zeiss lens. They take very good daytime photos and fair pictures at night.

There is of course no warranty after a camera has been ‘hacked’; the terminology used for a camera wired up to a sensor board. And finally, many cameras do not work; only a few models listed by the board manufactures do. It takes skilled electrician lots of intricate work to get these boards and cameras working properly. I have spent loads of time and money on building camera-traps, but also have collected a large library of images of some very interesting, elusive and endangered animals to compensate the cost.

Notes from the field: “A tiger through the lens, and my lucky number 11”

Image.
Waterhole in Huai Kha Khaeng attracts many animals including the tiger

Good things sometimes come our way and I was about to get a reward to coincide with ‘2010 - The Year of the Tiger’. The absolute chronology of being at the right place, the right time with the right equipment and the right technique was played out before my eyes. On the 11th of December 2009 (my lucky number again), the tiger in the lead photo and I crossed paths.

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Tiger strolling into the waterhole

The trail through dry dipterocarp forest takes about 45 minutes to walk to a photographic blind set above a waterhole deep in the interior of Huai Kha Khaeng. The flimsy structure made of bamboo sits about two meters off the ground and is attached to a tree. Black mesh closes off the cubicle on all four sides that was erected by the park rangers. An opening large enough for a big lens allows a clear view of the waterhole some 30 meters downhill to a saucer shaped depression.

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Tiger taking in minerals

This water supply attracts many creatures such as elephant, gaur, banteng and other ungulates like sambar and wild pig, especially during the dry season. Tiger, leopard and Asian wild dog also come looking for prey. It is truly a magical place and a tribute to Thailand’s natural biodiversity. Arriving about 12pm, I immediately set-up my cameras and then waited. Feeling dozy about 2pm, I strung my hammock for a bit of a snooze after the long haul from Bangkok. The afternoon passed-by and about 5pm I got up and began a vigil of the mineral lick.

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Tiger looking back at my position

A few minutes later I decided to actually sit behind my Nikon 400mm f 2.8 lens and D700 camera, and do some adjustments to compensate for the fading light. Took a few test shots to make sure the exposure was correct and then waited. Two minutes later, the dream of a lifetime unfolded before me. A striped carnivore magically and silently appeared from the forest on my right. The tiger walked straight down to a little stream for a quick drink. The mature male did not linger and continued on his way. However, he did pause briefly to stare up at my position three different times before disappearing into the forest on my left. Total time spent by the cat at the waterhole was less than a minute.

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Tiger on the move

I was lucky to have been sitting down with my hands on my lap in front of my camera. If I had been standing, or made just the slightest noise, I would have never seen this old male. I was extremely fortunate to snap 20 frames as this magnificent creature carried on its way. I banged my head against my camera in disbelief to make sure I was not dreaming. The ultimate photograph for me was now in the bag so to speak.

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Tiger's last look

Notes from the field: Camera equipment and technical elements

In order to photograph these elusive predators or any other large mammals or birds for that matter, a large lens (400mm to 600mm) and a semi-pro to pro camera body from any of the big guns like Nikon, Canon, Pentax, Olympus, Sigma and Leica is needed. A tripod and a shutter release is an absolute must for sharp shots. It must be understood though that this equipment is expensive.

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Tiger tracks by the Phetchaburi River in Kaeng Krachan

I set my Nikon camera to aperture priority (auto), an appropriate ISO depending on the time of day or the light (normally 400 ISO), and the white balance to ‘cloudy’ with an f-stop of ƒ5.6 to ƒ8 with minus -7 compensation. This gives me a good starting point and I can quickly change these settings or compensation for the ever-changing light in the forest.

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Tiger habitat in Kaeng Krachan

After 20 years of wildlife photography, my aspiration to photograph a tiger through the lens has finally come true. However, in closing and it does need repeating; the powers to be (the government) must come up with much better management plans for saving not only the tiger but all the rest of wild animals and ecosystems that evolved over millions of years. It is hoped my photographs of the tiger and other amazing Thai animals will create conservation awareness, so that the destructive process of modernization and humanization can be slowed if not stopped. The Kingdom’s natural resources are irreplaceable and time is running out!

Camera-trap units and equipment manufacturers:

The following companies specialize in camera-trap electronic infrared boards plus equipment, complete units and knowhow (listed below). I recommend these as the best but there is a rip-off or two with loads of empty promises, lots of jargon and does not deliver on their promises, so beware. Due to possible litigation, I am not at liberty to say who they are so please do not ask. When you see a lot of rambling on about how good they are, think before buying. I know because they burned me with boards that did not work and then would not be responsible for the poor quality and/or replacements. There are also complete camera-trap units available from quite a few manufacturers but are quite expensive for the good ones. The cheap ones do not stand up to the tough conditions of most Thai forests. Importing them into Thailand can also be costly with shipping and taxes. The main reason why I build my own.

Passive infrared boards:
http://www.snapshotsniper.com and http://www.rcdavisgamecamerasolutions.weebly.com/

Completed camera-trap units are also available: For an in depth overview on trail cameras check out ‘Trailcampro.com’

Moultrie.com – Cuddleback.com – Bushnell.com - Browning. com - Reconyx.com (the quickest trail camera on the market) are just some of the makes and many others via for market share.

Some final words: If you live near a forest in Thailand or anywhere in the world, chances are there might be some cryptic wild species still living there. But unfortunately, domestic plus feral dogs and cats can be found in many of these small patches of wilderness, and take everything they can catch and eat. I once camera-trapped feral dogs at 2,300 meters above seal level in Doi Inthanon National Park in Chiang Mai, Northern Thailand. It was a very disappointing discovery, and I only felt remorse for all the beautiful creatures struggling to live in this high-montane forest.

The frustrations, expenses and difficulty of photographing wildlife vanish when I view my work, and that keeps me going after those elusive tigers and other cryptic species. I have had some great success camera-trapping tapir, clouded leopard and marbled cat (poor night-time photo but good record shot) down south in Khlong Saeng Wildlife Sanctuary. This location is very deep in the protected area and I plan to do some serious work here to catch this beautiful marked predators and mammals, as they are very endangered and difficult to observe in the forest.

As most of you know, I have been working with more sophisticated camera-traps using DSLR digital cameras with good lenses and multiple flashes for improved photo quality. I have posted many threads and photos concerning this new camera-trap work. It is truly an exciting experience when one sees digital files with wild animals going about their daily lives as nature intended. It makes everything worthwhile....!

:old

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PostPosted: Sun May 14, 2017 8:19 am 
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Thanks for posting that Bruce. Very interesting read. Love your tiger pics.


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PostPosted: Sun May 14, 2017 10:06 am 
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Very impressive Bruce and as always, a great read. Keep up the good work and keep those posts coming.

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PostPosted: Sun May 14, 2017 10:15 am 
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Good post. Thanks for the thoughts and experiences, Bruce. That "head-on tiger shot" looks like the surprised photographer's final photo.


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PostPosted: Sun May 14, 2017 1:24 pm 
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It's great that you get to live out your passion. And thanks for sharing it with the rest of us.

Blessings.........Pastorjim

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PostPosted: Sun May 14, 2017 3:05 pm 
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Thanks for the post. Those are some fascinating experiences you've had and great photos you've gotten -- thanks again.

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PostPosted: Sun May 14, 2017 6:56 pm 
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Great post, great read, great subjects Bruce.


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PostPosted: Tue May 16, 2017 12:12 am 
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Thanks guys....I've just been lucky and in a place where they still thrive (survive is a better word)...I have three DSLRs working in the forest and will leave them for several months...we'll see...! cheers to all that have commented...

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PostPosted: Tue May 16, 2017 10:32 am 
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Fantastic accounts of your camtrap history, methods and trails and tribulations. Guessing there is nobody that can claim to have captured more wild tiger camtrap photos than you and with custom built gear to boot. I can relate to your focused approach, bordering on obsession, when it comes to capturing images of tigers (in my case, wolverines). All the time and money spent and close calls to one's life are all forgotten when viewing images of rare carnivores that have been captured due to personal dedication and hard work. You've set a high bar for others to follow. Thanks for all the work that you've done for conservation and education regarding all the relatively cryptic animals photographed over the years. :Yeehaw


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PostPosted: Wed May 17, 2017 5:15 am 
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You're an inspiration to us all, Bruce. It's so nice to see such a magnificent and secretive creature caught on camera.

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