Cowbirds are special among songbirds for the "watery" timbre of their singing, which resembles the sound of falling droplets striking water, a quick burst followed by a fading ripple.
9don MSN
What makes mountain birds sing at dawn—and why are they sometimes quiet? Ecologists explain
Three species of the melodic African warbler bird refuse to get up early and sing their customary daybreak songs when the ...
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