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Thread Status: Active Total posts in this thread: 86
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Many thanks Brink very nice
What is not nice is this Is avian malaria a disaster for British birds? The disease has arrived in Britain - but how serious is it, and what can we do to help? |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hummingbirds shake their heads to deal with rain
The cameras show how a hummingbird shakes its head to get rid of the water (Footage: University of California, Berkeley) Slow-motion footage has revealed how a hovering hummingbird is able to cope with wet weather. The cameras show that the delicate bird shakes its head with such acceleration that it can reach a g-force of 34 (Formula 1 racing cars typically reach less than 6g). This mid-air manoeuvre takes just 0.1 seconds and removes almost all of the water droplets from its feathers. The research is published in the journal of the Royal Society Interface... |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Nice very nice video , thanks for sharing
---------------------------------------- The Condor Lens Canon EF 500mm f/4.0 L IS USM Camera Canon EOS 40 D [Edit 1 times, last edit by Former Member at Aug 19, 2012 7:53:35 AM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
A 1 month, 1 day bump, watched a group of birds, of unknown make fly north, not south. Not doves or crows, latter occasionally observed how they horde a bird of prey, decided to look up the flocking habits. The basics:
http://birding.about.com/od/birdbehavior/a/Why-Birds-Flock.htm The season could come early this year, so get your lenses polished for some not so regular birds of a feather. ![]() |
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