The Supracoracoideus – An Ingenious Adaptation For Flight

When I was teaching high school zoology I was fascinated by the many adaptations of birds for flight. Still am. One of them is a unique muscle arrangement that allows the return stroke of the wing while maintaining aerodynamic stability. I hope you’ll allow me a little change in direction with today’s post as I attempt to explain and illustrate one of the anatomical adaptations of birds for flight.

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Ferruginous Hawk Nests

This past summer I photographed several active Ferruginous Hawk nests and was impressed by their size differences and the variation in elevations of the nests from the ground. Each of these nests was photographed in southwest Montana in June of this year.

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Northern Harrier “Playing”

Northern Harriers are occasionally known to play but it’s something I’ve seldom seen. Harriers are normally all business as they pursue simple survival in a harsh and unforgiving world but a week ago today I watched and photographed as one of these hawks had some apparent “fun”.

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Is A Hawk Capable Of “Planning”?

I sometimes see hawks buried so deeply in trees that I can’t help but wonder how they’re going to fly out without injury or at least feather damage. They occasionally appear to “think” about their escape route just before take-off, which implies “planning”. Some images I took yesterday brought the question to mind once again – are hawks capable of “planning”?

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West Desert Red-tail In Flight

Last month we ventured out into the west desert in an attempt to locate and photograph buteos and Golden Eagles. With the exception of one adult Red-tailed Hawk and a (mostly uncooperative) Golden Eagle who let us get close it was largely a frustrating morning.

The red-tail was perched in a tree that was swaying in the wind and it was quite entertaining to watch it rockin’ and rollin’ as it attempted to remain stable on its unstable perch.

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American Kestrel In Fog

Images of birds in fog often have a unique mood and “feel”. The tendency of many photographers is to attempt to minimize the effects of the fog during processing but I try to resist that temptation and let the image sink or swim on its true merits.

Fog tends to reduce detail and color saturation and causes the subject to appear slightly overexposed. It also often results in high key backgrounds. Some of those effects can be reduced by increasing contrast/saturation during processing but then you are losing the mood provided by the fog in the first place. All I’ve done with this image is crop and sharpen.

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Fighting Harriers

The seriousness of confrontations between Northern Harriers varies with the situation. Conflicts over food, especially during harsh winters, can be intense and dramatic but they often seem to spar with each other just for the “fun” of it. I’ve often seen and occasionally photographed both extremes of aggressive behavior.

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Perch-hunting Red-tailed Hawk

Red-tailed Hawks in North America are “sit and wait predators” who do most of their hunting (60 – 80%) from elevated perches. Though they do hunt from the air, that is not their primary hunting style. In fact, availability of elevated perches is a key factor in determining their foraging distribution.

Antelope Island is largely treeless and without power poles so Red-tails tend to be found in specific locations on the island where elevated natural perches are available. One of their favorite foraging spots is an area where there are large outcroppings of Farmington Canyon Complex rocks jutting out from the side of a small mountain, which is where I found this bird hunting voles

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