[texbirds] Little bolt from the blue - incredible speed of wing/tail maneuvers

  • From: MBB22222@xxxxxxx
  • To: texbirds@xxxxxxxxxxxxx
  • Date: Fri, 19 Oct 2012 03:10:49 -0400 (EDT)

Sometimes people are fascinated by flying bird models build by man. When  
watching real bird flying I just cannot stop thoughts how primitive and slow  
these man made models are. These thoughts are even stronger when I am 
watching  Least Terns falling down like a bolt from the blue to get a little 
fish 
often  from very turbulent water. Their very fast diving speed and constant 
but precise  changes of wing and tail positions to make incredible fast 
adjustments allow  them to follow their prey below. Although like most fish 
eaters they most  likely, and usually, follow school of fishes rather than 
single fish they still  have to plunge and strike with great precision to 
secure 
the single catch. If  decision is done in the last moment before strike 
that means that attacker has a  split second time to make one to pursue the 
strike right into the  target.  
 
Many people try to photograph birds in flight and with a newest  
sophisticated rigs this task became quite easy. Photographing hunting LETEs  
provides 
just a little extra fun. There are a few stages of the LETE hunt. Some  
easier and some more difficult to catch in photo. Searching flight, wind hover  
and initiating of dive are easy, so is the moment of leaving the water (with 
or  without the prey) as former are easy to predict and follow and latter 
is in a  fixed place where LETE  disappeared under the water so and extra 
moment is  given to point the lens. Little more difficult to photograph is the 
dive that  can be unpredictable but when course of attack is changing 
quickly more  interesting maneuvers (wing/tail positions) can be freeze in 
photo.  
Of  course the small size of Least Tern does not help as a small object in 
very fast  erratic motion is harder to keep in focus.  
 
I am now trying to put together selection of photos illustrating Least Tern 
 maneuvers during hunting dives. I will try to put together plunge and 
strike  moments as well and share these perhaps in another post. As I said 
before   a moment of leaving the water is easy to catch but is perhaps also the 
most  âphotogenicâ. 
 
_http://www.pbase.com/mbb/image/146797841_ 
(http://www.pbase.com/mbb/image/146797841) 
 
I will try to illustrate these other moments soon but now back to dives and 
 to illustrate wing/tail maneuvers during the dive.
 
Here are a few examples
 
_http://www.pbase.com/image/146797725_ 
(http://www.pbase.com/image/146797725) 
 
_http://www.pbase.com/image/146797699_ 
(http://www.pbase.com/image/146797699) 
 
_http://www.pbase.com/image/146797711_ 
(http://www.pbase.com/image/146797711) 
 
_http://www.pbase.com/image/146797705_ 
(http://www.pbase.com/image/146797705) 
 

Including photos showing in how turbulent water a little Least Terns  can 
get a minute size fish
 
_http://www.pbase.com/mbb/image/146797813_ 
(http://www.pbase.com/mbb/image/146797813) 
 
_http://www.pbase.com/image/146797746_ 
(http://www.pbase.com/image/146797746) 
 

And many more here
 
_http://www.pbase.com/mbb/least_tern_hunting__search_and_dive__wing_and_tail
_maneuvers_ 
(http://www.pbase.com/mbb/least_tern_hunting__search_and_dive__wing_and_tail_maneuvers)
 
 
 
Of course one has to see the dive with his own eyes to fully  appreciate 
the speed and gymnastic maneuvers.   

Mark B Bartosik
Houston, Texas
 
_http://www.pbase.com/mbb/from_the_field_ 
(http://www.pbase.com/mbb/from_the_field) 

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  • » [texbirds] Little bolt from the blue - incredible speed of wing/tail maneuvers - MBB22222