What did swallows sit on in the autumn before telegraph wires were invented? Why did they switch?

Question

You know, when they're meeting up before migrating for the winter?

Answer 1

Tree Branches.....

They switched because power lines are uniform in size, easy to grip, and there are no leaves in the way so you can see if a predator is sneaking up on you, or spot a tasty snack easier.

Answer 2

in the starting up, to respond to the question a touch extra, potential lines are a minimum of a number of kV of AC potential, so inspite of if the chook were to the contact an adjoining cord on an same voltage, the probability of both one in each of them being in section isn't very intense and the chook would probable be electrocuted. second of all, the clarification you're secure interior a motor vehicle throughout the time of a lightning hurricane has actual no longer some thing to do with the tires! It has to do with the actual undeniable actuality that you're surrounded through a Faraday cage of metal and that one in each of its homes is that electrical energy flows round it on the exterior. imagine about it: if lightning can penetrate 2 miles or more effective of insulating air, it ought to easily bypass by some inches of rubber.

Answer 3

For african swallows it was coconut palms, but they're non-migratory so I reckon you're talking about European swallows. Tree branches would be the general answer but when clotheslines were invented they picked them as their first preference so they could poop all over peoples laundry.

Answer 4

Swallows don't sit on wires. They are in constant flight and only rest on their nest.

Answer 5

:-))))))))))
I suppose there where more threes before, so they didn't need the telegraph wires...

Answer 6

um.. trees.