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pbs nature about hummingbird video
On 9/7/10 11:16 AM, in article , "Tim Conway" wrote: http://www.youtube.com/watch_popup?v=hjnc1kHMDDo Thanks Tim. Very nice! |
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pbs nature about hummingbird video
On 9/7/2010 2:15 PM, George Kerby wrote:
On 9/7/10 11:16 AM, in article , "Tim wrote: http://www.youtube.com/watch_popup?v=hjnc1kHMDDo Thanks Tim. Very nice! It is, but you know George we have a forum member who could have done all this with his long zoom p&s. Of course, unlike the supplied link, we wouldn't get to see anything. |
#3
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pbs nature about hummingbird video
"Dave Cohen" wrote in message ... On 9/7/2010 2:15 PM, George Kerby wrote: On 9/7/10 11:16 AM, in article , "Tim wrote: http://www.youtube.com/watch_popup?v=hjnc1kHMDDo Thanks Tim. Very nice! It is, but you know George we have a forum member who could have done all this with his long zoom p&s. Of course, unlike the supplied link, we wouldn't get to see anything. g laugh out loud |
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pbs nature about hummingbird video
On 9/8/10 10:16 AM, in article , "Dave Cohen" wrote: On 9/7/2010 2:15 PM, George Kerby wrote: On 9/7/10 11:16 AM, in article , "Tim wrote: http://www.youtube.com/watch_popup?v=hjnc1kHMDDo Thanks Tim. Very nice! It is, but you know George we have a forum member who could have done all this with his long zoom p&s. Of course, unlike the supplied link, we wouldn't get to see anything. No! Wait! I think I found it's latest contribution here... http://tinypic.com/r/166hieu/7 |
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pbs nature about hummingbird video
On Wed, 08 Sep 2010 15:51:31 -0500, Allen wrote:
Dave Cohen wrote: On 9/7/2010 2:15 PM, George Kerby wrote: On 9/7/10 11:16 AM, in article , "Tim wrote: Thanks Tim. Very nice! It is, but you know George we have a forum member who could have done all this with his long zoom p&s. Of course, unlike the supplied link, we wouldn't get to see anything. Extremely interesting! She mentioned the small size and high speed of hummers, but failed to mention their extreme maneuverability. I still remember the pictures that Crawford Greenwalt (a member of the DuPont chemical family) made in Columbia and put into a book in the 1950s or 1960s; tremendous for their time but these are orders of magnitude more interesting. I had an interesting experience in 1969--in very early September we were driving south from the Grand Canyon and went through several large groups of creatures flying together, I had thought they were moths or perhaps butterflies, but when we went through the third group I realized they were hummers (species unknown) starting their annual non-stop migration to Central or South America. Another strange thing (to me) was that in a class in a very large lecture hall hummingbirds would occasionally come in. The instructor (a graduate of a college that to pride in its machismo) was totally terrified every time it happened. I don't understand why anyone would be frightened by such small, jewel-like creatures. Allen Then you've never been around any drunk hummingbirds. I studied their preferred nectar diet one summer. Putting out up to 10 identical feeders at a time with various solutions of different sugars in different concentrations under a variety of weather conditions. I know that natural plant nectar has more nutrients in it than our refined sugar, so I wanted to find a better and healthier diet for them. I found one combination of brown and refined sugars they preferred above all others. Then sent my findings into the small-animal dept. of a university after they told me nobody had ever done such a study. My improved nectar recipe can be found many places today. [Improved Hummingbird Nectar Recipe (designed by hummingbirds): Sugar-mix = 2 parts light brown sugar (packed) to 1 part refined sugar (by volume measure, not by weight). Nectar = 1 part sugar-mix to 3 to 5 parts water (again, volume measure). The reason you need to vary the nectar's concentration is that they prefer a 1:3 sugar:water ratio on cold (60º F.) damp and rainy days (I live where there are even ice-storms during their spring arrival) when they need more energy, and a 1:5 sugar:water ratio on very hot (85º-90º F.) dry days, when they need more fluids than energy replenishment. If you put out a preferred ratio for cold damp days on a hot dry day they won't even go near it, the converse also being true. While they really prefer a nectar of only light-brown sugar the best, I found it ferments too fast. Adding the refined sugar slows this down a bit and makes it a more manageable situation for provider and consumer. Having to change and sterilize feeders less often. During my studies it was not uncommon to have to go through almost a gallon of nectar solutions per day. However, if you have the ambition to stay on top of preventing fermentation, then forego adding the refined sugar to the above recipe and use light-brown sugar only, checking it often for fermentation on warmer days. BTW: NO FOOD COLORING. It's not necessary and harmful to them. A red feeder is all you need. My control-feeders were clear bottles with clear tubes leading to a small "flower" cut out of red plastic. They still found them just fine by that one little red-flower cut-out.] But ... what they actually enjoyed most from my preferred-nectar-experiments was when dark-brown sugar (only) would ferment. (They didn't care for it in any ratio unfermented.) Due to it being so nutrient rich it could ferment in a matter of hours in warm sunlight. When that happened there was no getting them away from the fermented nectar. It's all they would drink. Not going near any of the other solutions set out for them at the same time. It's quite unnerving when standing in the middle of a yard full of ~40 drunk hummingbirds buzzing you at top speed with those long sharp beaks. Knowing they should not be flying anything, let alone driving anywhere if they could. I thought to myself, if only they had keys you could take away from them at times like that. As a treat I will now sometimes put out a nectar of dark-brown sugar on a warm sunny day and let it ferment for them. But only rarely. And when I do I am sure to stay indoors watching their drunk antics safely through a window. An intentionally dirtied window so they won't smash into it. But there's still the occasional "drunk's thump". Their usually precise flight becomes just as wobbly as any drunk trying to walk. I've yet to see any drunk hummingbird actually hurt itself or others though. Perhaps they know better than humans when they've had enough for just the right buzz. True stuff. I know how you ignorant city-boys like to pretend that what I've done and witnessed is imaginary. That's what you get for living such insulated and inexperienced lives, of your own choosing. |
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