Definition of "squawking"

She was, in fact, constitutionally impervious to statistics and preferred to study the be-headphoned group of fifteen or so lethargic wanderers who were taking even less notice of the remorseless squawkings than she was.

1968, Christopher Hodder-Williams, “Hands”, in Fistful of Digits, London: Coronet Books, published 1972, page 125