iThe male American bittern makes a deep, gulping rhythm that sounds like an old water pump. The low notes carry across a marsh, where the bird can be hard to see against the reeds. Listen for the little intake of air between the louder beats.
iiThe male American bittern makes a deep, gulping rhythm that sounds like an old water pump. The low notes carry across a marsh, where the bird can be hard to see against the reeds. Listen for the little intake of air between the louder beats.