Hal wrote,

Birds also sit on high-tension lines carrying many amps at thousands of
volts.
Makes you wonder if it interferes with their built-in compass.


There seems to be a general belief, around here (Belmont CA), that the changing
magnetic
fields from power lines retards children's development and lowers their
collective IQ. Has anyone noticed whether or not birds are acting
any more retarded than usual?
73,
Tom Donaly, KA6RUH