Thursday, August 11, 2011

The Tern Wars




Summer is ending soon, which means less time for Biscayne Bay. During the fall months before camping season begins, I head over to Chokoloskee a few times. It is during those trips that I attempt to photograph one of my favorite bird subjects, the tern; specifically, royal and sandwich. This weekend, I will indulge in another Chokoloskee weekend, this time in the company of a couple dozen kayak fishermen participating in a friendly tournament. I promised them that I would not attempt to photograph anyone because my camera lens brings terrible luck to the fishermen. So while they go their way looking for redfish, snook and trout, I hope to capture some scenes from what I call "The Tern Wars".

Four years ago, I discovered that the terns show up in great number starting in August and September. They are interesting subjects to photograph as they fight amongst themselves for space on the many pilings near the marina. They also have the large pelican to compete with (the tern is always on the losing end). I have found that if I sit near the pilings and if there is an easterly wind, I can capture scenes of a bird flying into a piling while it scares off another. It is quite fun to look over the photos at the end of the day to see the various interactions between these feisty birds. As I prepare for this weekend, I went back to some of those earlier photos and include a few here. As I look at them, I notice the challenges of photographing these scenes, and they are many.

First, most of the pilings are very tall and this makes the angle steep, especially at low tides. A high tide will raise me a foot or two, which helps, but there is still about a 10-15 ft difference most of the time. At such a steep angle, lighting is difficult with the underside of the wings shadowed. To overcome this, I attempt shots of birds that are banking or raising their wings enough to capture the sunlight on them. I've also included the flash on occasions.

Another challenge is the unattractive pilings that are often splattered with the last stage of digestion. If I can, I minimize the amount of the piling that comes into the frame. I have no problem doing post-processing to erase some of it or at least tone down the white highlights. Speaking of pilings, another challenge is the arrangement of them (see photo below). There are so many of them close together that it is difficult to isolate one, especially from a canoe. It's also difficult to focus on an incoming bird when it is flying between the pilings as you attempt to track it. I try to get my boat positioned where I will have at least a couple choices for clear views of the birds. And last, the other challenge has to do with the wind. If the wind is westerly, the birds will be facing away from me, no point even trying to capture them when that happens.


My goal is to continue trying to capture these birds and hope for the best. With some luck, they will be available to photograph this weekend. If not, guess I will have to photograph a fisherman in a kayak. In the meantime, enjoy these preview scenes from "The Tern Wars".









Saturday, August 6, 2011

Alone on the bay


As far as I know, I am the only person that persists at photographing birds from a canoe or kayak on Biscayne Bay, or anywhere in south Florida for that matter. I know of others that bring cameras with them in their boats and have posted photos of birds as a result. But none, that I know of, is out there as much as I am or with the same intent. Florida bird photographers know well of the many prime bird locations for photographing, almost all land-based. We recognize where many photos are shot, places that at certain times of the year are cluttered with large telephotos set on tripods and the photographers that stand behind them (photographers wearing clean clothes and standing upright). There are famous rookery locations such as Gatorland and Alligator Farm where a 200mm lens is more than enough length to capture the birds. For the more adventurous of the lot, the beaches of Florida offer nesting space for many bird species including the royal tern, American oystercatcher and black skimmers.

I mention this only to make a point and that is, while members of the bird photography community spread the word of nesting birds, migrating birds passing through or cases of unusual sitings, the information passed along does not include Biscayne Bay shoreline. In fact, the only people that provide me information are fishermen, and that information is not consistent. Fishermen are typically aware of their surroundings, but pay less attention to the details of the birds. I have to rely totally on tide and weather information to speculate on what will be available to photograph on any day I choose to go out. I also rely on previous experiences. For instance, I know that a negative low tide will extend the wading bird feeding territory about 200 feet from the usual areas. This offers some special opportunities that I would not have any other time.


Since coming to Biscayne Bay, I have been pleasantly surprised at new bird sitings; up until yesterday, these have included the woodstork, black skimmer, black-necked stilt and white morph version of the great blue heron. These are birds that I unexpectedly ran across, but only once or twice. I can now add roseate spoonbill to that list. I ran across two that were busily feeding in the negative tide shallows. Here's how it all went down Friday morning.

I was on the water by 7 am, just in time to sit on the water as the hundreds of ibises and dozens of great white egrets began their morning ritual of flying from their roosting island to some distant location along the bay. There is no better sound in the quiet of the morning when sitting in a canoe on the water than the beating wings of birds flying overhead in great number. The east wind was brisk at about 10 knots, which makes photographing very challenging and while my expectations were low because of that, I figured the birds flying made the trip entirely worthwhile.

After the birds disappeared I continued heading into the headwind toward the old sponge farm (I will now refer to the sponge farm as "the sticks"). It's about 1.5 miles to paddle. Large clouds filled the sky and it looked as if they would be clearing out by the time I arrived at the sticks, where I hoped to find a community of laughing gulls hanging out. I've had fun in the past with these birds as they fight each other for stick space. That's what I would concentrate on today. The low tide was a couple hours away, but already, the grassy flats were quite shallow where dozens of great white egrets were stationed here and there. I paddled passed them anyway, intent on capturing some gull action.

The wind had picked up as a nearby offshore storm continued its way further north. I arrived at the sticks to find a few gulls hanging out. I sat with them for awhile in windy conditions (I used both anchor and stake out pole), but there just was not enough action. Here's one shot of a yawning bird and that's about all there is to it. No gull interactions that I could capture.


I noticed that the nearby shoreline was now becoming cluttered with several wading birds. Little blue herons were in the greatest number. They tend to forage at the edge of the shallows, farthest away from the shoreline and thus, are easier to approach. More toward the shoreline are the tricolor herons, snowy egrets, green herons and ibises. Here are a couple shots of the little blues, that often hang out in twos or threes. You can also see how difficult it is to capture these guys in the grassy water.



I paddled over to the area where I noticed the most birds. There were two large whitish birds close to the mangroves. As I paddled past the little blue herons to get closer to the shoreline, I noticed suddenly that these were roseates. I paddled as close as I could, the hull now sliding along the grass making a noise as it did so. This is when I have to be very careful when approaching the birds; they tend to hear the slightest out-of-place noise. As soon as one is alerted to the noise from the boat, I stop and wait. The paddle stays low as well. If I can, I try to get closer. This continues until I can no longer move the boat with any effort.

The closer of the two birds was foraging along some mangrove roots, and I thought this would make a nice image. The grassy waters were messy and the shoreline was cluttered with some debris, making the composition challenging. If the bird would just stay near the mangrove roots, I could capture it nicely. But of course, they never totally cooperate with us, so off it went, closer to the shoreline.


I continued following the two birds and it soon appeared that if I was going to capture them well, I would need to stand up; for two reasons. One, I could no longer move my boat as the water levels continued to decline. If I was going to follow these birds, I would need to walk. And second, it became clear to me that a low perspective from the boat was not as pleasing as the background was too messy. As an alternative, standing would angle the shot in such a way as to capture more reflection and less shoreline clutter. With the 3-4 inches of mud sinking I would experience, it would give me about 5 1/2 feet of vertical height. Clear water allowed the mangroves and birds to reflect, but this was interspersed with the grasses. So the challenge was to capture the birds when I could get as much water reflections in the frame and also when the bird's bill was showing well enough. I rarely get out of the boat when photographing birds, mainly because I make more noise that way. But the roseates did not seem to mind and in fact, I got about 60 ft from them, relatively close I thought.


I attempted some shots with both birds in the frame without closing the aperture (I kept it at f5.6) and was only able to capture one shot that got both birds focused well enough. You can notice that one bird has red eyes and the other does not. The one with the red eyes also has the featherless head while the other one is still feathered up. This is likely a juvenile.


After romping through the mud for some time, I decided to get the boat out of the shallows. As I turned toward the sun, I noticed a few little blue herons nearby. They had been busily foraging behind me as I concentrated on the pink birds. The high key scene with the heron feeding during negative low tide is quite interesting I think. The grasses in the water give the scene a fabric-like pattern. The sun at the right angle makes the grass glow a yellowish tint. The bird's silhouette is the only object that interrupts the pattern. I metered off the water, compensated at about +1 and attempted to get closer to one of the birds. I wanted a shot at the time that the bird captured its prey. The sun's reflection on the spraying water is beautiful, that's what I wanted. But, it didn't happen this time. The bird appeared a bit skittish with my presence and before I could get closer, it flew away. Here's one shot I managed, at least it gives you an idea of what I was after.


Soon, I noticed the roseates had moved out farther from the shoreline as the feeding grounds continued to increase in size. Here is a similar shot (front lit) of a roseate in the grasses of Biscayne Bay. Few photographers would think about bothering with the birds in this bay. If you are a photographer, you can surely see the challenges of capturing these birds in these grassy tide conditions. But, with some imagination, the grasses may provide new opportunities that you would otherwise miss.

Tuesday, August 2, 2011

Birds on the oyster flats


This is a continuation of the previous blog, from my weekend in Chokoloskee Bay. I love paddling this area of the Everglades but it is an extraordinarily frustrating place to attempt to photograph birds, not to mention LEARN how to photograph birds from a boat. I basically began my photography from a canoe on Chokoloskee Bay. I didn't realize just how challenging this place could be until I started photographing wading birds on the easier-going Biscayne Bay location.

Here are a few more photos of a few bird species, other than the usual white ibis. The roseates are always seen here in the summer and almost always within a small range of the bay. Unless they are in the mangrove tree canopies, I most often see them resting on an exposed oyster flat. As this was a low tide morning, I knew they would be there, in the usual spot. The problem is, they tend to not do much and most of the time have their heads tucked under the feathers. Within a group, there is typically one or two that appears to stand guard watching the intruder while the others rest. Capturing them like this is a bit, dare I say, boring. They do let me get rather close though. Today, I inched myself closer (with one foot out of the boat) and got within 50 feet of the group. After a while, a loud powerboat came by (the birds are located relatively close to a channel), and was loud enough to bother the birds so that they flew away, leaving me behind.


I paddled to another flat where a juvenile yellowcrown nightheron was busy capturing tiny crabs. This bird had no problems with me being close and after several minutes with it, it came to within 10 feet of my boat. This was a challenging bird to capture as its feathers blended too well with the oysters. As it approached closer, I went in for the close ups, shifting between vertical and horizontal positions. I wasn't all together happy with the end results, but there were a few images that you can see the tiny crab in the bird's beak.


One last bird caught my attention, a juvenile little blue heron that I spotted feeding along the muddy edges of the mangroves. I let the current drift my boat slowly toward it, as it was in very nice morning light. The grayish blue and white body was tiny among the mangrove roots, but it contrasted enough to be seen well. I thought I would take my time drifting toward it and at one point, grabbed the paddle to maneuver the boat. Just at that moment, another juvy came flying our of nowhere towards the feeding bird and within a few seconds, both were flying off to another distant place. How irritating! Now, I have seen this before with pairs of tricolor herons. Just like this, I spot one bird and get rather close to it, then another comes along, scuffles with the first one for a few seconds, and then they fly off together far away. Why must they do that?

After spending time with the wading birds on the oyster flats, opportunities were declining so I headed toward the marina where many pelicans and terns rest on the pilings. More on that later.

Sunday, July 31, 2011

Mangroves, oysters and tidal currents

I spent an entire weekend on Chokoloskee Island (where I dream to retire one day). Mangroves and oyster go together well in this area of the Everglades known as the Ten Thousand Islands. The Ten Thousand Islands is a maze of mangrove islands and oyster flats that riddle the shallow bays, most especially prominent at low tides. While the bay can be a navigational nightmare for powerboats, it is loads of fun for fishermen in small paddle boats. Large fish stage themselves at the edge of the oyster flats, waiting for bait fish to run past on a tidal current or when the bait fish are trapped against a wall of oysters that halts the tidal current like a zealous traffic cop. Bait fish try to hide in the prop roots of the mangroves, and it becomes a common site to watch dolphin torpedo along the mangroves seeking them out. Shark are numerous, large black tips almost the length of my boat stalk fish in the shallow waters. That's under the surface of the water. Above the surface are the exposed oysters as the water levels decrease on an outgoing. What was once living underwater becomes exposed. Small creatures, like crabs the size of a newborn baby's thumbnail try to hide among the narly sharp oyster shells. And this is when the birds come out to feast on the oyster flat creatures. This is the time to be on Chokoloskee Bay.


The Ten Thousand Islands were born from the combination of minerals from the gulf stream and freshwater outflows from the Everglades, conditions that are perfect for oyster larvae. Oysters grow by attaching to the surface and do not move once attached. This is why they rely heavily on tidal flows to receive their nutrients. Food is brought in and waste is taken out. New larvae do best by attaching to an existing oyster shell that is firmly anchored. With that, oysters grow in number forming large colonies in shallow, tidal areas, such as Chokoloskee Bay, or mouths of creeks and rivers. With strong tidal currents, oyster flats become elongated and can make it difficult for a boat to pass through a narrow opening, especially at low tide.


From oyster flats come mangroves, primarily red mangroves. Mangrove seedlings do very well in oyster beds and can eventually take them over, as evident from the thousands of mangrove islands in the gulf. And if you can find logic in the confusing maze of islands in this area, it is that these islands are formed entirely on the whim of tidal currents and storm surges. It is within these islands that I learned how to photograph from my canoe.


The challenges are many. I do much of my photography from the canoe in two areas, Chokoloskee Bay and Biscayne Bay. While Biscayne Bay is soft and forgiving, Chokoloskee Bay is scratchy and irritating; my canoe has the ten thousand scratches to prove it. There is nothing more annoying than to hear the sound of a kevlar boat running across the sharp oyster shells. Like fingers across a chalkboard, only ten times worse. Unlike Biscayne Bay where I can lose attention to my surroundings and totally focus on a bird subject without caring for the well being of my boat, I must keep a keen eye on the waters of Chokoloskee Bay at all times. And with that, birds are often not as approachable as you would think. Hidden oyster beds serve as barriers as you attempt to float toward the birds that are feeding on an exposed bed. With the hard oyster shells all around, staking out is also very challenging and I often resort to sticking one foot out of the boat and into the shallow waters. But, it can be rewarding as birds take advantage of the exposed oyster beds that basically become a buffet table of marine edibles.


The oyster flats of the bay are not attractive and look like out of control mud. But there is something beautiful about all of it, especially with the prop roots of the mangroves and the reflections of the green leaves. A white bird (ibises are common here) contrasts against the dark muddy appearance of its surroundings. Surroundings are half the photo. The challenge to me is to create an image that has bird appeal; outstretched wings, interactions between birds, capturing and eating prey, etc. But, because I am enamored with the bird's surroundings, I also attempt to frame the birds so that the oysters are appealing as well. Not everyone can be as enamored with the oyster flats of Chokoloskee Bay as I am, but enjoy them as scenes from the Everglades you don't often see.



Friday, July 22, 2011

Great day on the bay part 2: variety of waders

I focused attention on the juvenile tricolored heron in my last blog, today I turn to the variety of other waders that were present on the bay two mornings ago. As soon as the sun was cleared of the clouds, the shoreline became illuminated from its rays. That's when I look for those photo opportunities of birds foraging in the shallow waters reflecting the mangroves. Today was ideal with calm waters. There were a couple of things I attempted today. First, I wanted to maintain as low an ISO as possible to minimize noise. I typically do not go above 800 and prefer to not use 640 or higher. But early mornings in a boat make that difficult without using a less than optimal shutter speed. The glow of the sun allowed me to begin shooting semi-white birds (tricolor heron, juvenile little blue heron) at an ISO of 640 and a shutter speed of 400. Not bad for when the bird is not moving much but as soon as it strikes the water, 1/400 will result in blurriness. I had started with a juvenile little blue heron and over a course of about 20 minutes, I was down a full stop using an ISO of 320. It shifted the histogram to the left, but I was happy with the results regardless. I was content with the shutter speed for this bird that never seemed to find a fish to strike. Here are a couple images with the classic mangrove reflections complimenting the bright bird.



The other thing that I attempted was to compose a shot of a bird with mangrove roots in the upper portion of the frame believing that this would add some depth and balance to the photo. Even more to the point, I love the look of the mangrove roots and their reflections in the water. I also like to capture a bird (preferably a white one) close to the roots so that they fill the frame. Whenever I look at such a photo, the roots always appear so much larger. Today, I had lots of options with many birds foraging in and around the smallish mangrove trees that form a barrier between the ocean and the shoreline. Here are a few shots that include the mangrove roots.




I spent the first couple hours following the tricolor herons, a green heron, some white ibises and little blue herons. The sun was high in the sky and the tide was rolling in. I expected to put the camera away and paddle back to the launch site. On my way, I noticed a great white egret looking for food. While the smaller waders pretty much disappear into the trees as the water levels rise, the larger egrets are frequently still out there searching. I paddled closer and figured if it lets me hang out close enough, maybe I'd attempt to capture some images. Sure enough, this bird was too intent on feeding that it barely paid attention to me. So I hung out with the lone white bird. Here are a few results of that encounter. The challenge was to stay between the bird and the sun and it was heading in a direction that made it more difficult to capture it with a good head angle toward the camera. The other challenge is that the sun and shoreline are not perpendicular to each other, so consequently I almost always have to do some kind of rotation to the image in post processing. When the shoreline is in the frame, it often is not running parallel to the ripples in the water created by the bird. But, that's a relatively minor issue when it is all said and done.



It was such a productive day that I barely noticed the intense heat during the 4 hours I was on the water. The great white egret was a perfect ending to it all. Almost always alone in its pursuits, here is another image of this glorious bird.

Thursday, July 21, 2011

Great day on the bay part 1: a tribute to the tricolor heron

Here's a quote I ran across: "Knowing trees, I understand the meaning of patience. Knowing grass, I can appreciate persistence." I'm inclined to change that to "Knowing nature, I understand the meaning of patience. Knowing birds, I can appreciate persistence." I think most bird photographers have two qualities in common with their subjects; patience and persistence. A bird requires them for survival, a bird photographer requires them for successful capture of a bird.

Without getting too contemplative, I simply want to convey what a fantastic day it was on the water. I arrived at the bay at 6 am, before sunrise. The water was dead calm and the eastern sky was congested with cumulus clouds (they are actually called cumulus congestus), as is the case every summer morning here in south Florida. During the initial minutes of sunrise, the sun is covered by these clouds but eventually they burn off with increasing temperatures. Here is how the day started:



The clouds burned off quickly and soon I was shooting with clear skies. Low tide was scheduled at 8:40 am, perfect for wading bird photography here on Biscayne Bay. I never know what I will find out here, but the bay never disappoints. Today was a bonanza of bird photo opportunities. It wasn't easy, I can't simply anchor my boat and stay in one spot. Rather, I have to follow the birds, sometimes hundreds of feet away. And at low tide, that often means pushing my boat with some effort through very shallow waters. The grasses provide an easier surface to glide across, but it is not easy. The worse part is when I get into a good position with birds, they move and then I am stuck having to push myself out of the spot and work my way back into another one.

But all that effort pays off eventually and today, it paid off big. Let's see, I captured a few ibises, a green heron, a juvenile little blue heron, a great white egret and a juvenile tricolor heron; over the course of about 4 hours. Each of these birds were a hit, but the star of the day was the tricolor heron.

For this blog, I pay tribute to this patient and persistent bird as it allowed me to get very close to it while it pursued its prey. I love photographing this bird because it offers so many styles of foraging behavior. It's quite dynamic and is almost always moving. Enjoy these photos of the young tricolor heron.