vlajkoni Elk hair caddis
Broj poruka : 461 Godina : 58 Location : Beograd Datum upisa : 10.01.2008
| Naslov: Pingvin Sre 9 Nov 2011 - 11:31 | |
| U razgovoru sa Goranom Grubicem dosli smo do ove teme. Malo sam jurio po internetu i evo rezultata: [img] [/img] [img] [/img] [img] [/img] Lici na ??? Evo i malo objasnjenja: "Waterproof Feathers Unlike most other birds, penguins spend most of their time underwater where staying warm is a challenge, and so their feathers have adapted to suit this need. The bases of feathers, closest to the body of the penguin, are fluffy and downy, trapping a layer of insulating air close to the body. However, the tips of the feathers are very stiff and a lot like fish scales. This stops the water pressure from squeezing the layer of insulating air out. Because penguins have so many feathers (about 10,000- 4 times more than a 'normal' flying bird), the stiff feather tips overlap and are able to completely cover the down layer, acting as a waterproof barrier. In addition, a gland near the tail of the penguin produces oil which the penguins coat themselves in. As oil repels water, this further ensures the Little Penguins remain dry. Remaining dry is important because otherwise water would soak through to the down layer of the feather, causing the penguin to become cold. However, Little Penguins need to remain warm because becoming cold can lead to a weakened immune system, causing the penguin to become more vulnerable to disease. Also, no doubt the Little Penguin would be unable to swim, hunt, or otherwise perform as well if it was too cold. Cold sea currents in the Little Penguin's habitat is an environmental pressure influencing the development of waterproof feathers, so as to allow the Little Penguins to remain warm." Nisam nigde nasao da se ova pera koriste u fly tying-u, pa me interesuje da li je neko imao iskustva sa pingvinom. Po ovoj prici od jednog pingvina bilo bi dovoljno "CDC"-a za sve vezace u Srbiji u 10 inkarnacija. Interesantni su i oni krajevi pera. Da nema neko vezu u ZOO vrtu da maznemo par komada za probu? Ako nista drugo mogao bi dubing da se napravi boli glava. | |
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bokac Royal coachman
Broj poruka : 2480 Location : Beograd Datum upisa : 10.01.2008
| Naslov: Re: Pingvin Sre 9 Nov 2011 - 12:53 | |
| Još i pingvina treba da derem...?!? Dobra ideja. | |
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panic Elk hair caddis
Broj poruka : 278 Datum upisa : 04.11.2008
| Naslov: Re: Pingvin Čet 10 Nov 2011 - 0:36 | |
| Cuj, derem pingvina ... stvarno zvuci! | |
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100ka Forum moderator
Broj poruka : 6835 Godina : 40 Location : Beograd Datum upisa : 10.01.2008
| Naslov: Re: Pingvin Čet 10 Nov 2011 - 19:26 | |
| Boki oces preksutra da prosetamo do juznog pola da roknemo jednog | |
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bokac Royal coachman
Broj poruka : 2480 Location : Beograd Datum upisa : 10.01.2008
| Naslov: Re: Pingvin Čet 10 Nov 2011 - 20:12 | |
| Ma jok, tamo je to zaštićena vrsta. Ovde ćemo da koknemo jednog, samo za probu... | |
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