by Pajarita » Mon Oct 26, 2015 9:56 am
Hmmm, I think they are more a gimmick than actually useful. I guess it will keep the bird's feet warm but I doubt it does anything for the body because they don't really produce enough heat for it to reach the body before it dissipates in the open air. And birds feet are made in such a way that heat or cold doesn't really affect them... For one thing, there is almost no flesh whatsoever in them (they are bone, tendon and skin mostly), for another, they are completely dry (it's cold moisture that freezes), then you have the fact that they are covered in scales (a non-conductive material) and last but not least, they have what is called rete mirabile, which is a special circulatory system where arteries and veins are next to each other and uses the 'counter current' of both to minimize heat loss. Aren't birds REAL COOL?!
I still think that a heat pad is the best option for sustained, even heat to the entire body.