Photographing Birds on Antelope Island

  My previous post was an overview of the geology of Antelope Island and its non-bird wildlife.  Here, I’ll focus on its birds.   Juvenile Loggerhead Shrike begging for food Loggerhead Shrikes are common on many parts of the island during summer.  They can be a challenge to approach but those few that nest close to the road eventually get used to traffic so if you photograph from your vehicle you can often get quite close.  Here this juvenile was begging for food that was being delivered by a parent just out of frame to the left.    Loggerhead Shrike with dragonfly  Shrikes are often called “butcher birds” for their practice of temporarily impaling their prey on thorns or other sharp projections.   This juvenile had done just that with the dragonfly but it wasn’t very good at it yet and in the end just decided to eat it instead of store it away.     Loggerhead Shrike with spider Shrikes are opportunistic carnivores known to feed on insects, spiders, amphibians, small reptiles, rodents and other birds.   This one also attempted to impale the prey before eating it.     Juvenile Burrowing Owl practicing its parallax technique on me Burrowing Owls are one of my favorite species on the island though they can be difficult to locate from year to year as they often don’t seem to nest in the same burrow the next year.  In the summer of 2009 there was an entire family of owls along the causeway to the island nesting under concrete rubble, as in the…

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A Bitter Lesson in Depth of Field

  I have spent many hours photographing Burrowing Owls over the past two summers but it’s a real challenge to get clear shots of them as they typically stay on the ground and are usually at least partially obscured by vegetation.  For me it’s a real coup to get one on an elevated, natural perch in good light. Last week I had a wonderful opportunity with them and simply blew it.  As we approached our “owl spot” we noticed that there were three of them perched up high on a sagebrush in beautiful early morning light.  I maneuvered my pickup for the best light angle I could get and to obtain separation of the owls from each other.  Everything perfect.  And all three birds gave us a variety of interesting poses for several minutes.  I had noticed that the owl on the left was perhaps a foot (or slightly less) closer to us than the other two birds so I was concerned about depth of field.  I seldom shoot multiple subjects and typically with only one bird I’m shooting at f/6.1 – f/8 depending on the situation.  Knowing I needed more DOF here I dialed in f/13 thinking that would be plenty to get all three birds sharp.   The image below is typical of the results I got.  Burrowing Owl – Canon 7D, 500 f/4, 1.4 tc, 1/200, f/13, ISO 500, cropped to 77% of original image   The owl on the left is noticeably soft.  That is quite apparent at a larger image size, say 1200 pixels, though not quite so obvious at this…

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