Richard Collins
speaker
767 appearances
17 recordings
1 series
first heard Apr 2026
last heard 14 Sep
Richard Collins’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 17 in all, peaking in Aug 2026 with 4.
Appearances
Jumping into the water.
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Jumping into the water with a big heavy thing or would get water logs.
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But so there is a predisposition in eagles perhaps uh to uh to have feathered tarsi rather than the uh
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Could the cover the the bear tarsi.
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Now why all the little birds in the garden should have bare legs in the cold of the winter is a slight mystery.
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They what of course in flight they retract the legs and even when they're sitting on branches they cover them up with the rest of their bodies.
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But um it is there's mystery here.
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Well now they have a trick up their sleeves with the legs and the temperature of those legs.
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It's a heat exchanger, what engineers would call a heat exchanger.
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The uh blood coming up in the veins, coming back to the heart from the cold blood from the the feet passes the warm blood going down closely, the arterial blood going down, and the heat in the arterial blood is transferred.
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some of it is transferred to the cold blood going up.
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And this cuts down on heat loss and it's a very clever system of minimizing the penalty of heat loss through having long bare legs.
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ever been to a
Oh yes, lots of Well I've been in the Amazon, I have been on rainforests in various parts of the world.
There are simply places with dense vegetation and lots of of moisture and usually very warm.
And you will see them in Africa, you will see them in the Far East, you will see them in in um North America and the and uh over towards the Pacific coast.
I've
Rica with
you ever been
in Ireland?
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