bleating

noun2

1. •
   A noise that bleats.

   • And Samuel said, What meaneth then this bleating of the sheep in mine ears, and the lowing of the oxen which I hear? — 1611
2. •
   Inane or plaintive chatter.

   • Both men seemed to enjoy these contests, always laced with the tension caused by constant government bleating about the ABC's left-wing bias. — 2008