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Our Mission and Values at GBT... Here at GBT we hope to foster an interest in all things birding, and in so doing, also create a deep and abiding respect for our natural environment. We do so without taking ourselves too serioulsy, but we do take the state of our environment very seriously. We share our knowledge and our passion for all things birding willingly and enthusiastically.

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#2626 12-01-2012 14:21:07

Boskat
Moderator

(Hover for details)
Location:  : Where the birds are
Registered: 26-07-2010
Favourite Bird: All those with wings

Re: Theme of The Week

rollbig_smile

Last edited by Boskat (12-01-2012 15:00:39)


"Do not invoke conspiracy as explanation when ignorance and incompetence will suffice, as conspiracy implies intelligence."

Latest lifers:Collared Flycatcher, Penant-winged Nightjar, Arnot's Chat.
 

#2627 12-01-2012 21:27:53

Jay
Admin.-Nightjar awards Judge

(Hover for details)
Location:  : West Coast, South Africa
Registered: 03-05-2008
Favourite Bird: African Fish Eagle

Re: Theme of The Week

oooh nice shots, Rk/BK cool

I had a good laugh at myself trying to photograph the Little Swifts yesterday, man they come past at Mach 3, I was seriously dizzy after a while neutrallol


How to resize your photos
"Better Photography is a journey, not a destination." George D. Lepp
http://birdearth.wordpress.com/2012/03/ … -the-lens/

“You must be the change you wish to see in the world”. Mahatma Gandhi
     
Treat the Earth and all that dwell therein with respect.Remain close to the Great Spirit 
      Show great respect for your fellow beings. Work together for the benefit of all Mankind 
      Give assistance and kindness wherever needed. Do what you know to be right 
      Look after the well-being of Mind and Body. Dedicate a share of your efforts to the greater Good 
      Be truthful and honest at all times. Take full responsibility for your actions.
                                            American  Indian Ten Commandments
 

#2628 13-01-2012 08:49:16

wildtuinman
Bird Sighting of the Year

(Hover for details)
Location:  : Vêr in die wêreld, Kitty
Registered: 15-08-2008
Favourite Bird: Pearl-Spotted Owlet

Re: Theme of The Week

Ek het klaar gelees wat jy gese het, BK!! lollol

 

#2629 13-01-2012 11:23:41

Imax
Member

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Location:  : Randburg
Registered: 11-11-2008
Favourite Bird: Layard's Titbabbler

Re: Theme of The Week

Jay its one of the things that i have wondered about - how much G-force do they generate in some of thier turns? There is no jet today that can do what they do


birding101

"There is a difference in merely getting a bird, and seeing it."
                                                A supremely bad idea, by Luke Dempsey.
 

#2630 13-01-2012 12:44:53

Boskat
Moderator

(Hover for details)
Location:  : Where the birds are
Registered: 26-07-2010
Favourite Bird: All those with wings

Re: Theme of The Week

wildtuinman wrote:

Ek het klaar gelees wat jy gese het, BK!! lollol

Oops! I only thought afterwards you may be hurting, and now I'm thumping you too, sorry WTMnkie roll


"Do not invoke conspiracy as explanation when ignorance and incompetence will suffice, as conspiracy implies intelligence."

Latest lifers:Collared Flycatcher, Penant-winged Nightjar, Arnot's Chat.
 

#2631 13-01-2012 12:52:34

Jay
Admin.-Nightjar awards Judge

(Hover for details)
Location:  : West Coast, South Africa
Registered: 03-05-2008
Favourite Bird: African Fish Eagle

Re: Theme of The Week

Imax wrote:

Jay its one of the things that i have wondered about - how much G-force do they generate in some of thier turns? There is no jet today that can do what they do

Watching them for so long that day, also made me wonder to, how do they get such speeds??? They don't seem to be moving their wings much (if at all!), yet they chop and change direction at huge speeds, like little missiles!


How to resize your photos
"Better Photography is a journey, not a destination." George D. Lepp
http://birdearth.wordpress.com/2012/03/ … -the-lens/

“You must be the change you wish to see in the world”. Mahatma Gandhi
     
Treat the Earth and all that dwell therein with respect.Remain close to the Great Spirit 
      Show great respect for your fellow beings. Work together for the benefit of all Mankind 
      Give assistance and kindness wherever needed. Do what you know to be right 
      Look after the well-being of Mind and Body. Dedicate a share of your efforts to the greater Good 
      Be truthful and honest at all times. Take full responsibility for your actions.
                                            American  Indian Ten Commandments
 

#2632 13-01-2012 13:09:17

Niall
Birder of the Year

(Hover for details)
Location:  : Jo'burg
Registered: 29-06-2009
Favourite Bird: Lappet-faced Vulture

Re: Theme of The Week

This is by no means a good photo, but as it is relevant to the topic and quite interesting, I'll post it up here! There were hundreds of House Martins, with not a Barn Swallow in sight! This was taken at Cecilkop, Mutare, last month.

http://a1.sphotos.ak.fbcdn.net/hphotos-ak-ash4/378073_10150579541634047_607404046_10774967_1935562656_n.jpg


Niall's nature pages: A site to behold?
Join me in tracking your Southern African year list
 

#2633 13-01-2012 13:23:53

wildtuinman
Bird Sighting of the Year

(Hover for details)
Location:  : Vêr in die wêreld, Kitty
Registered: 15-08-2008
Favourite Bird: Pearl-Spotted Owlet

Re: Theme of The Week

The are like little arrows through the sky. I was astonished at their maneuverability when I stood on the Monte Hotel balcony the other day trying to get photos of the White-rumped Swifts.

They build up some speed with a few wing beats and then they just cleave through the skies! They own the skies. They were build to be up there and they do one helluva job whilst they are up there. big_smilebig_smile

BK, nee dis reg, kick a man when he is down. sad Luckily I am as hardvellig as a Skukuza krokkedil! lollol

 

#2634 13-01-2012 13:24:38

wildtuinman
Bird Sighting of the Year

(Hover for details)
Location:  : Vêr in die wêreld, Kitty
Registered: 15-08-2008
Favourite Bird: Pearl-Spotted Owlet

Re: Theme of The Week

Amazing photo, Niall.

 

#2635 13-01-2012 13:40:29

Niall
Birder of the Year

(Hover for details)
Location:  : Jo'burg
Registered: 29-06-2009
Favourite Bird: Lappet-faced Vulture

Re: Theme of The Week

The bigger the Swift, the swifter they fly! I had hundreds of Black Swifts with some Alpines mixed in amongst them, roaring over my head as I stood at a saddle in the koppies up near the Sentinel. We won't even talk about the speed of the Mottled Swifts up in the Eastern Highlands. (The gnome might sulk even more!)

The Black Swifts were so close and against such difficult background that the only way to focus was to use manual focus!

http://www.niall.co.za/Species/bird-pages/images/swift-african-black_2240.jpg


Niall's nature pages: A site to behold?
Join me in tracking your Southern African year list
 

#2636 13-01-2012 14:34:16

Imax
Member

(Hover for details)
Location:  : Randburg
Registered: 11-11-2008
Favourite Bird: Layard's Titbabbler

Re: Theme of The Week

and that they never crash into each other at these speeds are equally amazing.

I watched cape vultures at verlorenkloof gliding along the cliff face that thier wings touched the rocks and grass while the wind was howling with a pending storm. to them this was all just having some fun.


birding101

"There is a difference in merely getting a bird, and seeing it."
                                                A supremely bad idea, by Luke Dempsey.
 

#2637 13-01-2012 14:38:12

wildtuinman
Bird Sighting of the Year

(Hover for details)
Location:  : Vêr in die wêreld, Kitty
Registered: 15-08-2008
Favourite Bird: Pearl-Spotted Owlet

Re: Theme of The Week

Hey, stop talking here on the forums and finish your work! I can see you and I am watching you! lollol

 

#2638 13-01-2012 14:45:05

Imax
Member

(Hover for details)
Location:  : Randburg
Registered: 11-11-2008
Favourite Bird: Layard's Titbabbler

Re: Theme of The Week

Ek dag jy bewe so in jou broek, dat jy my mis kyk! wink


birding101

"There is a difference in merely getting a bird, and seeing it."
                                                A supremely bad idea, by Luke Dempsey.
 

#2639 13-01-2012 14:57:17

wildtuinman
Bird Sighting of the Year

(Hover for details)
Location:  : Vêr in die wêreld, Kitty
Registered: 15-08-2008
Favourite Bird: Pearl-Spotted Owlet

Re: Theme of The Week

lollol

Daai twee anties se blaf is erger as hulle byt! lollol

 

#2640 13-01-2012 19:42:54

Ramkat
Member

(Hover for details)
Location:  : Mostly here..
Registered: 11-09-2010
Favourite Bird: Crimson Breasted Shrike

Re: Theme of The Week

I Know the Spine Tailed Swift is the fastest recorded  Bird @ 171 kph   - surprisingly the Spur Winged Goose is no slouch at 142 kph - we once watched a SWG being called by his mate and he flew in from a small speck to land next to her in about 3 minutes, he had to fly "S"  bends to slow down , just like the shuttle, incredible sight to see.  A very technical article (just what I like)  on birds "G" and speed is here http://jeb.biologists.org/content/201/3/403.short enjoy!


"Ignorance more frequently begets confidence than does knowledge"
Charles Darwin
http://www.andna.co.za/
 


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