This circuit generates a two-tone effect very much alike the cuckoo song. It can be used for door-bells or other purposes thanks to a built-in audio amplifier and loudspeaker. Agreeable, very close ...
Cuckoos are nest parasites. That means they lay eggs in the nests of other birds, which then put the effort into raising the chicks. So you'd think they'd be quiet about it. Yet female cuckoos have a ...
Taylor Long (left), field trip leader with the Northwest Arkansas Audubon Society, hears the sound of a yellow-billed cuckoo Saturday during an Audubon field trip at Mill Branch Park in Goshen. Thirty ...
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